Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
U [auth BF]SCOP2B SuperfamilyHRDC-like8086301 3000132 SCOP2B (2022-06-29)
J [auth AU]SCOP2B SuperfamilyHRDC-like8086301 3000132 SCOP2B (2022-06-29)
K [auth AV]SCOP2B SuperfamilyRBP8/CHS5 N-terminal domain-like8093394 3002702 SCOP2B (2022-06-29)
K [auth AV]SCOP2B SuperfamilyRBP8/CHS5 N-terminal domain-like8093033 3002702 SCOP2B (2022-06-29)
V [auth BG]SCOP2B SuperfamilyRBP8/CHS5 N-terminal domain-like8093033 3002702 SCOP2B (2022-06-29)
V [auth BG]SCOP2B SuperfamilyRBP8/CHS5 N-terminal domain-like8093394 3002702 SCOP2B (2022-06-29)
O [auth AZ]SCOP2B SuperfamilyRPB5-like RNA polymerase subunit8063566 3001722 SCOP2B (2022-06-29)
W [auth BH]SCOP2B SuperfamilyRPB5-like RNA polymerase subunit8063566 3001722 SCOP2B (2022-06-29)
X [auth BK]SCOP2B SuperfamilyRPB6/omega subunit-like8078379 3000189 SCOP2B (2022-06-29)
C [auth AI]SCOP2B SuperfamilyRPB6/omega subunit-like8078379 3000189 SCOP2B (2022-06-29)
BA [auth BQ]SCOP2B SuperfamilyRNA polymerase subunit 13 Rpo13-like8093029 3002666 SCOP2B (2022-06-29)
D [auth AJ]SCOP2B SuperfamilyRNA polymerase subunit 13 Rpo13-like8093029 3002666 SCOP2B (2022-06-29)
E [auth AM]SCOP2B SuperfamilyRBP11-like subunits of RNA polymerase8080734 3001655 SCOP2B (2022-06-29)
Y [auth BL]SCOP2B SuperfamilyRBP11-like subunits of RNA polymerase8080734 3001655 SCOP2B (2022-06-29)
F [auth AO]SCOP2B SuperfamilyRNA polymerase subunit RPB108063362 3001213 SCOP2B (2022-06-29)
Z [auth BN]SCOP2B SuperfamilyRNA polymerase subunit RPB108063362 3001213 SCOP2B (2022-06-29)
G [auth AR]SCOP2B SuperfamilyTwo-barrel nucleic acid polymerases8073729 3001330 SCOP2B (2022-06-29)
G [auth AR]SCOP2B SuperfamilyTwo-barrel nucleic acid polymerases8073729 3001330 SCOP2B (2022-06-29)
Q [auth BB]SCOP2B SuperfamilyTwo-barrel nucleic acid polymerases8073729 3001330 SCOP2B (2022-06-29)
Q [auth BB]SCOP2B SuperfamilyTwo-barrel nucleic acid polymerases8073729 3001330 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
U [auth BF]PF03874e4v8sBF1 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: PF03874ECOD (1.6)
J [auth AU]PF03874e4v8sAU1 A: alpha arraysX: HhH/H2THH: SAM/DNA-glycosylaseT: SAM domain-likeF: PF03874ECOD (1.6)
K [auth AV]PF16992e4v8sAV1 A: beta barrelsX: OB-foldH: Nucleic acid-binding proteins (From Topology)T: Nucleic acid-binding proteinsF: PF16992ECOD (1.6)
V [auth BG]PF16992e4v8sBG1 A: beta barrelsX: OB-foldH: Nucleic acid-binding proteins (From Topology)T: Nucleic acid-binding proteinsF: PF16992ECOD (1.6)
L [auth AW]PF00623e4v8sAW4 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: double psiF: PF00623ECOD (1.6)
L [auth AW]PF04997e4v8sAW1 A: a+b complex topologyX: N-terminal domain in RNA-polymerase beta-prime subunit (From Topology)H: N-terminal domain in RNA-polymerase beta-prime subunit (From Topology)T: N-terminal domain in RNA-polymerase beta-prime subunitF: PF04997ECOD (1.6)
L [auth AW]PF04998,PF05000e4v8sAW3 A: a+b complex topologyX: second helical domain in RNA-polymerase beta-prime subunit (From Topology)H: second helical domain in RNA-polymerase beta-prime subunit (From Topology)T: second helical domain in RNA-polymerase beta-prime subunitF: PF04998,PF05000ECOD (1.6)
L [auth AW]PF04983e4v8sAW2 A: a+b complex topologyX: first helical domain in RNA-polymerase beta-prime subunit (From Topology)H: first helical domain in RNA-polymerase beta-prime subunit (From Topology)T: first helical domain in RNA-polymerase beta-prime subunitF: PF04983ECOD (1.6)
P [auth BA]PF00623e4v8sBA4 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: double psiF: PF00623ECOD (1.6)
P [auth BA]PF04997e4v8sBA1 A: a+b complex topologyX: N-terminal domain in RNA-polymerase beta-prime subunit (From Topology)H: N-terminal domain in RNA-polymerase beta-prime subunit (From Topology)T: N-terminal domain in RNA-polymerase beta-prime subunitF: PF04997ECOD (1.6)
P [auth BA]PF04998,PF05000e4v8sBA2 A: a+b complex topologyX: second helical domain in RNA-polymerase beta-prime subunit (From Topology)H: second helical domain in RNA-polymerase beta-prime subunit (From Topology)T: second helical domain in RNA-polymerase beta-prime subunitF: PF04998,PF05000ECOD (1.6)
P [auth BA]PF04983e4v8sBA3 A: a+b complex topologyX: first helical domain in RNA-polymerase beta-prime subunit (From Topology)H: first helical domain in RNA-polymerase beta-prime subunit (From Topology)T: first helical domain in RNA-polymerase beta-prime subunitF: PF04983ECOD (1.6)
AA [auth BP]F_UNCLASSIFIEDe4v8sBP1 A: few secondary structure elementsX: Rubredoxin-likeH: Rubredoxin-relatedT: Rubredoxin-relatedF: F_UNCLASSIFIEDECOD (1.6)
M [auth AX]F_UNCLASSIFIEDe4v8sAX1 A: few secondary structure elementsX: Rubredoxin-likeH: Rubredoxin-relatedT: Rubredoxin-relatedF: F_UNCLASSIFIEDECOD (1.6)
N [auth AY]F_UNCLASSIFIEDe4v8sAY2 A: a+b two layersX: permuted ferredoxin-like domain in yeast RNA-polymerase beta-prime subunit (From Topology)H: permuted ferredoxin-like domain in yeast RNA-polymerase beta-prime subunit (From Topology)T: permuted ferredoxin-like domain in yeast RNA-polymerase beta-prime subunitF: F_UNCLASSIFIEDECOD (1.6)
N [auth AY]F_UNCLASSIFIEDe4v8sAY1 A: a+b two layersX: ferredoxin-like domain in yeast RNA-polymerase beta-prime subunit (From Topology)H: ferredoxin-like domain in yeast RNA-polymerase beta-prime subunit (From Topology)T: ferredoxin-like domain in yeast RNA-polymerase beta-prime subunitF: F_UNCLASSIFIEDECOD (1.6)
N [auth AY]PF04998e4v8sAY3 A: a+b complex topologyX: central helical domain in RNA-polymerase beta-prime subunit (From Topology)H: central helical domain in RNA-polymerase beta-prime subunit (From Topology)T: central helical domain in RNA-polymerase beta-prime subunitF: PF04998ECOD (1.6)
N [auth AY]F_UNCLASSIFIEDe4v8sAY4 A: a+b complex topologyX: helical domain in yeast RNA-polymerasesH: third helical domain in yeast RNA-polymerase II beta-prime subunit (From Topology)T: third helical domain in yeast RNA-polymerase II beta-prime subunitF: F_UNCLASSIFIEDECOD (1.6)
R [auth BC]F_UNCLASSIFIEDe4v8sBC2 A: a+b two layersX: permuted ferredoxin-like domain in yeast RNA-polymerase beta-prime subunit (From Topology)H: permuted ferredoxin-like domain in yeast RNA-polymerase beta-prime subunit (From Topology)T: permuted ferredoxin-like domain in yeast RNA-polymerase beta-prime subunitF: F_UNCLASSIFIEDECOD (1.6)
R [auth BC]F_UNCLASSIFIEDe4v8sBC1 A: a+b two layersX: ferredoxin-like domain in yeast RNA-polymerase beta-prime subunit (From Topology)H: ferredoxin-like domain in yeast RNA-polymerase beta-prime subunit (From Topology)T: ferredoxin-like domain in yeast RNA-polymerase beta-prime subunitF: F_UNCLASSIFIEDECOD (1.6)
R [auth BC]PF04998e4v8sBC4 A: a+b complex topologyX: central helical domain in RNA-polymerase beta-prime subunit (From Topology)H: central helical domain in RNA-polymerase beta-prime subunit (From Topology)T: central helical domain in RNA-polymerase beta-prime subunitF: PF04998ECOD (1.6)
R [auth BC]F_UNCLASSIFIEDe4v8sBC3 A: a+b complex topologyX: helical domain in yeast RNA-polymerasesH: third helical domain in yeast RNA-polymerase II beta-prime subunit (From Topology)T: third helical domain in yeast RNA-polymerase II beta-prime subunitF: F_UNCLASSIFIEDECOD (1.6)
O [auth AZ]PF01191e4v8sAZ1 A: a+b two layersX: RPB5-like RNA polymerase subunit (From Topology)H: RPB5-like RNA polymerase subunit (From Topology)T: RPB5-like RNA polymerase subunitF: PF01191ECOD (1.6)
W [auth BH]PF01191e4v8sBH1 A: a+b two layersX: RPB5-like RNA polymerase subunit (From Topology)H: RPB5-like RNA polymerase subunit (From Topology)T: RPB5-like RNA polymerase subunitF: PF01191ECOD (1.6)
X [auth BK]PF01192e4v8sBK1 A: alpha arraysX: RPB6/omega subunit-like (From Homology)H: RPB6/omega subunit-likeT: RPB6F: PF01192ECOD (1.6)
C [auth AI]PF01192e4v8sAI1 A: alpha arraysX: RPB6/omega subunit-like (From Homology)H: RPB6/omega subunit-likeT: RPB6F: PF01192ECOD (1.6)
BA [auth BQ]PF12136e4v8sBQ1 A: alpha bundlesX: YqgQ-like (From Topology)H: YqgQ-like (From Topology)T: YqgQ-likeF: PF12136ECOD (1.6)
D [auth AJ]PF12136e4v8sAJ1 A: alpha bundlesX: YqgQ-like (From Topology)H: YqgQ-like (From Topology)T: YqgQ-likeF: PF12136ECOD (1.6)
E [auth AM]PF13656e4v8sAM1 A: a+b two layersX: DCoH-likeH: RBP11-like subunits of RNA polymerase (From Topology)T: RBP11-like subunits of RNA polymeraseF: PF13656ECOD (1.6)
Y [auth BL]PF13656e4v8sBL1 A: a+b two layersX: DCoH-likeH: RBP11-like subunits of RNA polymerase (From Topology)T: RBP11-like subunits of RNA polymeraseF: PF13656ECOD (1.6)
F [auth AO]PF01194e4v8sAO1 A: alpha arraysX: HTHH: RPB10 (From Topology)T: RPB10F: PF01194ECOD (1.6)
Z [auth BN]PF01194e4v8sBN1 A: alpha arraysX: HTHH: RPB10 (From Topology)T: RPB10F: PF01194ECOD (1.6)
G [auth AR]PF00562e4v8sAR7 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: double psiF: PF00562ECOD (1.6)
G [auth AR]PF00562e4v8sAR1 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: PF00562ECOD (1.6)
G [auth AR]PF04563,PF04565e4v8sAR3 A: a+b complex topologyX: N-terminal domain in beta subunit of DNA dependent RNA-polymerase (From Topology)H: N-terminal domain in beta subunit of DNA dependent RNA-polymerase (From Topology)T: N-terminal domain in beta subunit of DNA dependent RNA-polymeraseF: PF04563,PF04565ECOD (1.6)
G [auth AR]PF04561e4v8sAR2 A: a+b complex topologyX: insertion domain in beta subunit of DNA dependent RNA-polymerase (From Topology)H: insertion domain in beta subunit of DNA dependent RNA-polymerase (From Topology)T: insertion domain in beta subunit of DNA dependent RNA-polymeraseF: PF04561ECOD (1.6)
G [auth AR]PF00562,PF04567e4v8sAR5 A: a+b complex topologyX: barrel domain in beta subunit of DNA dependent RNA-polymerase (From Topology)H: barrel domain in beta subunit of DNA dependent RNA-polymerase (From Topology)T: barrel domain in beta subunit of DNA dependent RNA-polymeraseF: PF00562,PF04567ECOD (1.6)
G [auth AR]PF00562,PF04560e4v8sAR6 A: a+b complex topologyX: C-terminal domain in beta subunit of DNA dependent RNA-polymerase (From Topology)H: C-terminal domain in beta subunit of DNA dependent RNA-polymerase (From Topology)T: C-terminal domain in beta subunit of DNA dependent RNA-polymeraseF: PF00562,PF04560ECOD (1.6)
G [auth AR]PF04566e4v8sAR4 A: a+b complex topologyX: inserted a+b domain in yeast RNA polymerase beta subunit (From Topology)H: inserted a+b domain in yeast RNA polymerase beta subunit (From Topology)T: inserted a+b domain in yeast RNA polymerase beta subunitF: PF04566ECOD (1.6)
Q [auth BB]PF00562e4v8sBB6 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: double psiF: PF00562ECOD (1.6)
Q [auth BB]PF00562e4v8sBB2 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: PF00562ECOD (1.6)
Q [auth BB]PF04563,PF04565e4v8sBB3 A: a+b complex topologyX: N-terminal domain in beta subunit of DNA dependent RNA-polymerase (From Topology)H: N-terminal domain in beta subunit of DNA dependent RNA-polymerase (From Topology)T: N-terminal domain in beta subunit of DNA dependent RNA-polymeraseF: PF04563,PF04565ECOD (1.6)
Q [auth BB]PF04561e4v8sBB7 A: a+b complex topologyX: insertion domain in beta subunit of DNA dependent RNA-polymerase (From Topology)H: insertion domain in beta subunit of DNA dependent RNA-polymerase (From Topology)T: insertion domain in beta subunit of DNA dependent RNA-polymeraseF: PF04561ECOD (1.6)
Q [auth BB]PF00562,PF04567e4v8sBB5 A: a+b complex topologyX: barrel domain in beta subunit of DNA dependent RNA-polymerase (From Topology)H: barrel domain in beta subunit of DNA dependent RNA-polymerase (From Topology)T: barrel domain in beta subunit of DNA dependent RNA-polymeraseF: PF00562,PF04567ECOD (1.6)
Q [auth BB]PF00562,PF04560e4v8sBB1 A: a+b complex topologyX: C-terminal domain in beta subunit of DNA dependent RNA-polymerase (From Topology)H: C-terminal domain in beta subunit of DNA dependent RNA-polymerase (From Topology)T: C-terminal domain in beta subunit of DNA dependent RNA-polymeraseF: PF00562,PF04560ECOD (1.6)
Q [auth BB]PF04566e4v8sBB4 A: a+b complex topologyX: inserted a+b domain in yeast RNA polymerase beta subunit (From Topology)H: inserted a+b domain in yeast RNA polymerase beta subunit (From Topology)T: inserted a+b domain in yeast RNA polymerase beta subunitF: PF04566ECOD (1.6)
H [auth AS]PF01193e4v8sAS1 A: a+b two layersX: DCoH-likeH: RBP11-like subunits of RNA polymerase (From Topology)T: RBP11-like subunits of RNA polymeraseF: PF01193ECOD (1.6)
H [auth AS]PF01000e4v8sAS2 A: a+b complex topologyX: Ribosomal protein TL5/L25 C-terminal domain-likeH: Insert subdomain of RNA polymerase alpha subunit (From Topology)T: Insert subdomain of RNA polymerase alpha subunitF: PF01000ECOD (1.6)
S [auth BD]PF01193e4v8sBD2 A: a+b two layersX: DCoH-likeH: RBP11-like subunits of RNA polymerase (From Topology)T: RBP11-like subunits of RNA polymeraseF: PF01193ECOD (1.6)
S [auth BD]PF01000e4v8sBD1 A: a+b complex topologyX: Ribosomal protein TL5/L25 C-terminal domain-likeH: Insert subdomain of RNA polymerase alpha subunit (From Topology)T: Insert subdomain of RNA polymerase alpha subunitF: PF01000ECOD (1.6)
I [auth AT]PF00575e4v8sAT2 A: beta barrelsX: OB-foldH: Nucleic acid-binding proteins (From Topology)T: Nucleic acid-binding proteinsF: PF00575ECOD (1.6)
I [auth AT]PF03876e4v8sAT1 A: a+b two layersX: Dodecin subunit-likeH: Flavin-binding protein dodecin-like (From Topology)T: Flavin-binding protein dodecin-likeF: PF03876ECOD (1.6)
T [auth BE]PF00575e4v8sBE2 A: beta barrelsX: OB-foldH: Nucleic acid-binding proteins (From Topology)T: Nucleic acid-binding proteinsF: PF00575ECOD (1.6)
T [auth BE]PF03876e4v8sBE1 A: a+b two layersX: Dodecin subunit-likeH: Flavin-binding protein dodecin-like (From Topology)T: Flavin-binding protein dodecin-likeF: PF03876ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
J [auth AU],
U [auth BF]
PF03874RNA polymerase Rpb4 (RNA_pol_Rpb4)RNA polymerase Rpb4- Family
K [auth AV],
V [auth BG]
PF16992DNA-directed RNA polymerase, subunit G (RNA_pol_RpbG)DNA-directed RNA polymerase, subunit G- Family
L [auth AW],
P [auth BA]
PF00623RNA polymerase Rpb1, domain 2 (RNA_pol_Rpb1_2)RNA polymerase Rpb1, domain 2RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain, domain 2, contains the active site ...RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain, domain 2, contains the active site. The invariant motif -NADFDGD- binds the active site magnesium ion [1,2].
Domain
L [auth AW],
P [auth BA]
PF05000RNA polymerase Rpb1, domain 4 (RNA_pol_Rpb1_4)RNA polymerase Rpb1, domain 4RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain, domain 4, represents the funnel do ...RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain, domain 4, represents the funnel domain. The funnel contain the binding site for some elongation factors [1,2].
Domain
L [auth AW],
P [auth BA]
PF04983RNA polymerase Rpb1, domain 3 (RNA_pol_Rpb1_3)RNA polymerase Rpb1, domain 3RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain, domain 3, represents the pore doma ...RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain, domain 3, represents the pore domain. The 3' end of RNA is positioned close to this domain. The pore delimited by this domain is thought to act as a channel through which nucleotides enter the active site and/or where the 3' end of the RNA may be extruded during back-tracking [1,2].
Domain
L [auth AW],
P [auth BA]
PF04998RNA polymerase Rpb1, domain 5 (RNA_pol_Rpb1_5)RNA polymerase Rpb1, domain 5RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain, domain 5, represents the discontin ...RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain, domain 5, represents the discontinuous cleft domain that is required to from the central cleft or channel where the DNA is bound [1,2].
Domain
L [auth AW],
P [auth BA]
PF04997RNA polymerase Rpb1, domain 1 (RNA_pol_Rpb1_1)RNA polymerase Rpb1, domain 1RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain, domain 1, represents the clamp do ...RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain, domain 1, represents the clamp domain, which a mobile domain involved in positioning the DNA, maintenance of the transcription bubble and positioning of the nascent RNA strand [1,2].
Domain
N [auth AY],
R [auth BC]
PF04998RNA polymerase Rpb1, domain 5 (RNA_pol_Rpb1_5)RNA polymerase Rpb1, domain 5RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain, domain 5, represents the discontin ...RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain, domain 5, represents the discontinuous cleft domain that is required to from the central cleft or channel where the DNA is bound [1,2].
Domain
O [auth AZ],
W [auth BH]
PF01191RNA polymerase Rpb5, C-terminal domain (RNA_pol_Rpb5_C)RNA polymerase Rpb5, C-terminal domainThe assembly domain of Rpb5 [1]. The archaeal equivalent to this domain is subunit H. Subunit H lacks the N-terminal domain.Domain
C [auth AI],
X [auth BK]
PF01192RNA polymerase Rpb6 (RNA_pol_Rpb6)RNA polymerase Rpb6- Family
BA [auth BQ],
D [auth AJ]
PF12136RNA polymerase Rpo13 subunit HTH domain (RNA_pol_Rpo13)RNA polymerase Rpo13 subunit HTH domainThis domain is found in archaea, and is about 40 amino acids in length. It has a single completely conserved residue E that may be functionally important. It is found in the archaeal DNA dependent RNA polymerase. The domain is a 'helix-turn-helix' (H ...This domain is found in archaea, and is about 40 amino acids in length. It has a single completely conserved residue E that may be functionally important. It is found in the archaeal DNA dependent RNA polymerase. The domain is a 'helix-turn-helix' (HTH) domain in the Rpo13 subunit of the RNA polymerase. This domain is involved in downstream DNA binding, and the entire subunit has also been implicated in contacting transcription factor II B.
Domain
E [auth AM],
Y [auth BL]
PF01193RNA polymerase Rpb3/Rpb11 dimerisation domain (RNA_pol_L)RNA polymerase Rpb3/Rpb11 dimerisation domainThe two eukaryotic subunits Rpb3 and Rpb11 dimerise to from a platform onto which the other subunits of the RNA polymerase assemble (D/L in archaea). The prokaryotic equivalent of the Rpb3/Rpb11 platform is the alpha-alpha dimer. The dimerisation do ...The two eukaryotic subunits Rpb3 and Rpb11 dimerise to from a platform onto which the other subunits of the RNA polymerase assemble (D/L in archaea). The prokaryotic equivalent of the Rpb3/Rpb11 platform is the alpha-alpha dimer. The dimerisation domain of the alpha subunit/Rpb3 is interrupted by an insert domain (Pfam:PF01000). Some of the alpha subunits also contain iron-sulphur binding domains (Pfam:PF00037). Rpb11 is found as a continuous domain. Members of this family include: alpha subunit from eubacteria, alpha subunits from chloroplasts, Rpb3 subunits from eukaryotes, Rpb11 subunits from eukaryotes, RpoD subunits from archaeal spp, and RpoL subunits from archaeal spp.
Domain
E [auth AM],
Y [auth BL]
PF13656RNA polymerase Rpb3/Rpb11 dimerisation domain (RNA_pol_L_2)RNA polymerase Rpb3/Rpb11 dimerisation domainThe two eukaryotic subunits Rpb3 and Rpb11 dimerise to from a platform onto which the other subunits of the RNA polymerase assemble (D/L in archaea). The prokaryotic equivalent of the Rpb3/Rpb11 platform is the alpha-alpha dimer. The dimerisation do ...The two eukaryotic subunits Rpb3 and Rpb11 dimerise to from a platform onto which the other subunits of the RNA polymerase assemble (D/L in archaea). The prokaryotic equivalent of the Rpb3/Rpb11 platform is the alpha-alpha dimer. The dimerisation domain of the alpha subunit/Rpb3 is interrupted by an insert domain (Pfam:PF01000). Some of the alpha subunits also contain iron-sulphur binding domains (Pfam:PF00037). Rpb11 is found as a continuous domain. Members of this family include: alpha subunit from eubacteria, alpha subunits from chloroplasts, Rpb3 subunits from eukaryotes, Rpb11 subunits from eukaryotes, RpoD subunits from archaeal spp, and RpoL subunits from archaeal spp. Many of the members of this family carry only the N-terminal region of Rpb11.
Domain
F [auth AO],
Z [auth BN]
PF01194RNA polymerases N / 8 kDa subunit (RNA_pol_N)RNA polymerases N / 8 kDa subunit- Domain
G [auth AR],
Q [auth BB]
PF04561RNA polymerase Rpb2, domain 2 (RNA_pol_Rpb2_2)RNA polymerase Rpb2, domain 2RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). Rpb2 is the second largest subunit of the RNA po ...RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). Rpb2 is the second largest subunit of the RNA polymerase. This domain forms one of the two distinctive lobes of the Rpb2 structure. This domain is also known as the lobe domain [1]. DNA has been demonstrated to bind to the concave surface of the lobe domain, and plays a role in maintaining the transcription bubble [1]. Many of the bacterial members contain large insertions within this domain, as region known as dispensable region 1 (DRI).
Domain
G [auth AR],
Q [auth BB]
PF04560RNA polymerase Rpb2, domain 7 (RNA_pol_Rpb2_7)RNA polymerase Rpb2, domain 7RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). Rpb2 is the second largest subunit of the RNA p ...RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). Rpb2 is the second largest subunit of the RNA polymerase. This domain comprised of the structural domains anchor and clamp [1]. The clamp region (C-terminal) contains a zinc-binding motif [1]. The clamp region is named due to its interaction with the clamp domain found in Rpb1. The domain also contains a region termed "switch 4". The switches within the polymerase are thought to signal different stages of transcription [1].
Domain
G [auth AR],
Q [auth BB]
PF04565RNA polymerase Rpb2, domain 3 (RNA_pol_Rpb2_3)RNA polymerase Rpb2, domain 3RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). Domain 3, s also known as the fork domain and is ...RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). Domain 3, s also known as the fork domain and is proximal to catalytic site [1].
Domain
G [auth AR],
Q [auth BB]
PF04566RNA polymerase Rpb2, domain 4 (RNA_pol_Rpb2_4)RNA polymerase Rpb2, domain 4RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). Domain 4, is also known as the external 2 domain ...RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). Domain 4, is also known as the external 2 domain [1].
Domain
G [auth AR],
Q [auth BB]
PF04563RNA polymerase beta subunit (RNA_pol_Rpb2_1)RNA polymerase beta subunit- Family
G [auth AR],
Q [auth BB]
PF00562RNA polymerase Rpb2, domain 6 (RNA_pol_Rpb2_6)RNA polymerase Rpb2, domain 6RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain represents the hybrid binding domain ...RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). This domain represents the hybrid binding domain and the wall domain [1]. The hybrid binding domain binds the nascent RNA strand / template DNA strand in the Pol II transcription elongation complex. This domain contains the important structural motifs, switch 3 and the flap loop and binds an active site metal ion[1]. This domain is also involved in binding to Rpb1 and Rpb3 [1]. Many of the bacterial members contain large insertions within this domain, as region known as dispensable region 2 (DRII).
Domain
G [auth AR],
Q [auth BB]
PF04567RNA polymerase Rpb2, domain 5 (RNA_pol_Rpb2_5)RNA polymerase Rpb2, domain 5RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). Domain 5, is also known as the external 2 domain ...RNA polymerases catalyse the DNA dependent polymerisation of RNA. Prokaryotes contain a single RNA polymerase compared to three in eukaryotes (not including mitochondrial. and chloroplast polymerases). Domain 5, is also known as the external 2 domain [1].
Domain
H [auth AS],
S [auth BD]
PF01193RNA polymerase Rpb3/Rpb11 dimerisation domain (RNA_pol_L)RNA polymerase Rpb3/Rpb11 dimerisation domainThe two eukaryotic subunits Rpb3 and Rpb11 dimerise to from a platform onto which the other subunits of the RNA polymerase assemble (D/L in archaea). The prokaryotic equivalent of the Rpb3/Rpb11 platform is the alpha-alpha dimer. The dimerisation do ...The two eukaryotic subunits Rpb3 and Rpb11 dimerise to from a platform onto which the other subunits of the RNA polymerase assemble (D/L in archaea). The prokaryotic equivalent of the Rpb3/Rpb11 platform is the alpha-alpha dimer. The dimerisation domain of the alpha subunit/Rpb3 is interrupted by an insert domain (Pfam:PF01000). Some of the alpha subunits also contain iron-sulphur binding domains (Pfam:PF00037). Rpb11 is found as a continuous domain. Members of this family include: alpha subunit from eubacteria, alpha subunits from chloroplasts, Rpb3 subunits from eukaryotes, Rpb11 subunits from eukaryotes, RpoD subunits from archaeal spp, and RpoL subunits from archaeal spp.
Domain
H [auth AS],
S [auth BD]
PF01000RNA polymerase Rpb3/RpoA insert domain (RNA_pol_A_bac)RNA polymerase Rpb3/RpoA insert domainMembers of this family include: alpha subunit from eubacteria alpha subunits from chloroplasts Rpb3 subunits from eukaryotes RpoD subunits from archaealDomain
I [auth AT],
T [auth BE]
PF03876SHS2 domain found in N terminus of Rpb7p/Rpc25p/MJ0397 (SHS2_Rpb7-N)SHS2 domain found in N terminus of Rpb7p/Rpc25p/MJ0397Rpb7 bind to Rpb4 to form a heterodimer. This complex is thought to interact with the nascent RNA strand during RNA polymerase II elongation[1]. This family includes the homologs from RNA polymerase I and III. In RNA polymerase I, Rpa43 is at leas ...Rpb7 bind to Rpb4 to form a heterodimer. This complex is thought to interact with the nascent RNA strand during RNA polymerase II elongation[1]. This family includes the homologs from RNA polymerase I and III. In RNA polymerase I, Rpa43 is at least one of the subunits contacted by the transcription factor TIF-IA [2]. The N terminus of Rpb7p/Rpc25p/MJ0397 has a SHS2 domain that is involved in protein-protein interaction [3].
Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
A [auth AC],
CA [auth BR]
5'-D(*TP*CP*TP*TP*AP*TP*AP*CP*TP*CP*TP*AP*TP*CP)-3'---
J [auth AU],
U [auth BF]
RNA POLYMERASE SUBUNIT 4
K [auth AV],
V [auth BG]
RNA POLYMERASE SUBUNIT 8
L [auth AW],
P [auth BA]
DNA-DIRECTED RNA POLYMERASE
AA [auth BP],
M [auth AX]
DNA-DIRECTED RNA POLYMERASE SUBUNIT P
N [auth AY],
R [auth BC]
DNA-DIRECTED RNA POLYMERASE SUBUNIT A''
O [auth AZ],
W [auth BH]
DNA-DIRECTED RNA POLYMERASE SUBUNIT H
B [auth AD],
DA [auth BS]
5'-D(*AP*TP*AP*GP*AP*GP*TP*AP*TP*AP*AP*GP*AP*TP *AP*G)-3'---
C [auth AI],
X [auth BK]
DNA-DIRECTED RNA POLYMERASE SUBUNIT K
BA [auth BQ],
D [auth AJ]
RNA POLYMERASE SUBUNIT 13 -
E [auth AM],
Y [auth BL]
DNA-DIRECTED RNA POLYMERASE SUBUNIT L
F [auth AO],
Z [auth BN]
DNA-DIRECTED RNA POLYMERASE SUBUNIT N
G [auth AR],
Q [auth BB]
DNA-DIRECTED RNA POLYMERASE
H [auth AS],
S [auth BD]
DNA-DIRECTED RNA POLYMERASE SUBUNIT D
I [auth AT],
T [auth BE]
RNA POLYMERASE SUBUNIT 7

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
J [auth AU],
U [auth BF]
IPR005574RNA polymerase subunit Rpb4/RPC9Family
J [auth AU],
U [auth BF]
IPR044876HRDC domain superfamilyHomologous Superfamily
J [auth AU],
U [auth BF]
IPR010997HRDC-like superfamilyHomologous Superfamily
J [auth AU],
U [auth BF]
IPR010924DNA-directed RNA polymerase subunit Rpo4Family
K [auth AV],
V [auth BG]
IPR012340Nucleic acid-binding, OB-foldHomologous Superfamily
K [auth AV],
V [auth BG]
IPR031555DNA-directed RNA polymerase subunit Rpo8Family
L [auth AW],
P [auth BA]
IPR007066RNA polymerase Rpb1, domain 3Domain
L [auth AW],
P [auth BA]
IPR007081RNA polymerase Rpb1, domain 5Domain
L [auth AW],
P [auth BA]
IPR045867DNA-directed RNA polymerase, subunit beta-primeFamily
L [auth AW],
P [auth BA]
IPR012758DNA-directed RNA polymerase subunit Rpo1NFamily
L [auth AW],
P [auth BA]
IPR007083RNA polymerase Rpb1, domain 4Domain
L [auth AW],
P [auth BA]
IPR000722RNA polymerase, alpha subunitDomain
L [auth AW],
P [auth BA]
IPR044893RNA polymerase Rpb1, clamp domain superfamilyHomologous Superfamily
L [auth AW],
P [auth BA]
IPR038120RNA polymerase Rpb1, funnel domain superfamilyHomologous Superfamily
L [auth AW],
P [auth BA]
IPR006592RNA polymerase, N-terminalDomain
L [auth AW],
P [auth BA]
IPR007080RNA polymerase Rpb1, domain 1Domain
AA [auth BP],
M [auth AX]
IPR006591RNA polymerase archaeal subunit P/eukaryotic subunit RPABC4Family
AA [auth BP],
M [auth AX]
IPR023464DNA-directed RNA polymerase subunit Rpo12Family
AA [auth BP],
M [auth AX]
IPR029040RNA polymerase subunit RPABC4/transcription elongation factor Spt4Homologous Superfamily
N [auth AY],
R [auth BC]
IPR007081RNA polymerase Rpb1, domain 5Domain
N [auth AY],
R [auth BC]
IPR045867DNA-directed RNA polymerase, subunit beta-primeFamily
N [auth AY],
R [auth BC]
IPR012757DNA-directed RNA polymerase subunit Rpo1CFamily
O [auth AZ],
W [auth BH]
IPR014381DNA-directed RNA polymerase subunit Rpo5/Rpb5Family
O [auth AZ],
W [auth BH]
IPR035913RPB5-like RNA polymerase subunit superfamilyHomologous Superfamily
O [auth AZ],
W [auth BH]
IPR000783RNA polymerase, subunit H/Rpb5 C-terminalDomain
O [auth AZ],
W [auth BH]
IPR020608RNA polymerase, subunit H/Rpb5, conserved siteConserved Site
C [auth AI],
X [auth BK]
IPR020708DNA-directed RNA polymerase, 14-18kDa subunit, conserved siteConserved Site
C [auth AI],
X [auth BK]
IPR036161RPB6/omega subunit-like superfamilyHomologous Superfamily
C [auth AI],
X [auth BK]
IPR006110RNA polymerase, subunit omega/Rpo6/RPB6Family
C [auth AI],
X [auth BK]
IPR006111Archaeal Rpo6/eukaryotic RPB6 RNA polymerase subunitFamily
BA [auth BQ],
D [auth AJ]
IPR021985RNA polymerase Rpo13 subunit HTH domainDomain
E [auth AM],
Y [auth BL]
IPR022905DNA-directed RNA polymerase subunit Rpo11-likeFamily
E [auth AM],
Y [auth BL]
IPR009025DNA-directed RNA polymerase, RBP11-like dimerisation domainDomain
E [auth AM],
Y [auth BL]
IPR036603RNA polymerase, RBP11-like subunitHomologous Superfamily
E [auth AM],
Y [auth BL]
IPR008193DNA-directed RNA polymerase Rpb11, 13-16kDa subunit, conserved siteConserved Site
F [auth AO],
Z [auth BN]
IPR023580RNA polymerase subunit RPB10Homologous Superfamily
F [auth AO],
Z [auth BN]
IPR020789RNA polymerases, subunit N, zinc binding siteBinding Site
F [auth AO],
Z [auth BN]
IPR000268DNA-directed RNA polymerase subunit RPABC5/Rpb10Family
G [auth AR],
Q [auth BB]
IPR007642RNA polymerase Rpb2, domain 2Domain
G [auth AR],
Q [auth BB]
IPR015712DNA-directed RNA polymerase, subunit 2Family
G [auth AR],
Q [auth BB]
IPR037033DNA-directed RNA polymerase, subunit 2, hybrid-binding domain superfamilyHomologous Superfamily
G [auth AR],
Q [auth BB]
IPR037034RNA polymerase Rpb2, domain 2 superfamilyHomologous Superfamily
G [auth AR],
Q [auth BB]
IPR007120DNA-directed RNA polymerase, subunit 2, hybrid-binding domainDomain
G [auth AR],
Q [auth BB]
IPR007121RNA polymerase, beta subunit, conserved siteConserved Site
G [auth AR],
Q [auth BB]
IPR007645RNA polymerase Rpb2, domain 3Domain
G [auth AR],
Q [auth BB]
IPR007646RNA polymerase Rpb2, domain 4Domain
G [auth AR],
Q [auth BB]
IPR007647RNA polymerase Rpb2, domain 5Domain
G [auth AR],
Q [auth BB]
IPR014724RNA polymerase Rpb2, OB-foldHomologous Superfamily
G [auth AR],
Q [auth BB]
IPR007644RNA polymerase, beta subunit, protrusionDomain
G [auth AR],
Q [auth BB]
IPR007641RNA polymerase Rpb2, domain 7Domain
G [auth AR],
Q [auth BB]
IPR019969DNA-directed RNA polymerase subunit Rpo2Family
H [auth AS],
S [auth BD]
IPR011262DNA-directed RNA polymerase, insert domainDomain
H [auth AS],
S [auth BD]
IPR011263DNA-directed RNA polymerase, RpoA/D/Rpb3-typeDomain
H [auth AS],
S [auth BD]
IPR022842DNA-directed RNA polymerase subunit Rpo3/Rpb3/RPAC1Family
H [auth AS],
S [auth BD]
IPR036643DNA-directed RNA polymerase, insert domain superfamilyHomologous Superfamily
H [auth AS],
S [auth BD]
IPR001514DNA-directed RNA polymerase, 30-40kDa subunit, conserved siteConserved Site
H [auth AS],
S [auth BD]
IPR036603RNA polymerase, RBP11-like subunitHomologous Superfamily
I [auth AT],
T [auth BE]
IPR046399DNA-directed RNA polymerase subunit Rpo7Family
I [auth AT],
T [auth BE]
IPR036898RNA polymerase Rpb7-like, N-terminal domain superfamilyHomologous Superfamily
I [auth AT],
T [auth BE]
IPR004519DNA-directed RNA polymerase, subunit E/RPC8Family
I [auth AT],
T [auth BE]
IPR003029S1 domainDomain
I [auth AT],
T [auth BE]
IPR012340Nucleic acid-binding, OB-foldHomologous Superfamily
I [auth AT],
T [auth BE]
IPR045113RNA polymerase subunit Rpb7-likeFamily
I [auth AT],
T [auth BE]
IPR005576RNA polymerase Rpb7-like , N-terminalDomain