4JKR | pdb_00004jkr

Crystal Structure of E. coli RNA Polymerase in complex with ppGpp


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
LSCOP2B SuperfamilySigma2 domain of RNA polymerase sigma factors 8038503 3001393 SCOP2B (2022-06-29)
FSCOP2B SuperfamilySigma2 domain of RNA polymerase sigma factors 8038503 3001393 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
IRNA_pol_Rpb2_6_3rde4jkrI8 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: double psiF: RNA_pol_Rpb2_6_3rdECOD (1.6)
IPRK09603e4jkrI16 A: a+b two layersX: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymeraseF: PRK09603ECOD (1.6)
IRNA_pol_Rpb2_6_2nde4jkrI9 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: RNA_pol_Rpb2_6_2ndECOD (1.6)
IRNA_pol_Rpb2_6_1ste4jkrI1 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: RNA_pol_Rpb2_6_1stECOD (1.6)
IRNA_pol_Rpb2_6_2nd_2e4jkrI18 A: a+b complex topologyX: Helical hairpin insertion in E. coli DNA-directed RNA polymerase beta subunit (From Topology)H: Helical hairpin insertion in E. coli DNA-directed RNA polymerase beta subunit (From Topology)T: Helical hairpin insertion in E. coli DNA-directed RNA polymerase beta subunitF: RNA_pol_Rpb2_6_2nd_2ECOD (1.6)
IRNA_pol_Rpb2_3e4jkrI10 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: RNA_pol_Rpb2_3ECOD (1.6)
IRNA_pol_Rpb2_1e4jkrI12 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: RNA_pol_Rpb2_1ECOD (1.6)
IRNA_pol_Rpb2_45e4jkrI4 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: RNA_pol_Rpb2_45ECOD (1.6)
IRNA_pol_Rpb2_7e4jkrI17 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: RNA_pol_Rpb2_7ECOD (1.6)
CRNA_pol_Rpb2_6_3rde4jkrC11 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: double psiF: RNA_pol_Rpb2_6_3rdECOD (1.6)
CPRK09603e4jkrC8 A: a+b two layersX: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymeraseF: PRK09603ECOD (1.6)
CRNA_pol_Rpb2_6_2nde4jkrC12 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: RNA_pol_Rpb2_6_2ndECOD (1.6)
CRNA_pol_Rpb2_6_1ste4jkrC5 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: RNA_pol_Rpb2_6_1stECOD (1.6)
CRNA_pol_Rpb2_6_2nd_2e4jkrC1 A: a+b complex topologyX: Helical hairpin insertion in E. coli DNA-directed RNA polymerase beta subunit (From Topology)H: Helical hairpin insertion in E. coli DNA-directed RNA polymerase beta subunit (From Topology)T: Helical hairpin insertion in E. coli DNA-directed RNA polymerase beta subunitF: RNA_pol_Rpb2_6_2nd_2ECOD (1.6)
CRNA_pol_Rpb2_3e4jkrC4 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: RNA_pol_Rpb2_3ECOD (1.6)
CRNA_pol_Rpb2_1e4jkrC10 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: RNA_pol_Rpb2_1ECOD (1.6)
CRNA_pol_Rpb2_45e4jkrC9 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: RNA_pol_Rpb2_45ECOD (1.6)
CRNA_pol_Rpb2_7e4jkrC3 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: RNA_pol_Rpb2_7ECOD (1.6)
KRNA_pol_Rpb6e4jkrK1 A: alpha arraysX: RPB6/omega subunit-like (From Homology)H: RPB6/omega subunit-likeT: RNA polymerase omega subunitF: RNA_pol_Rpb6ECOD (1.6)
ERNA_pol_Rpb6e4jkrE1 A: alpha arraysX: RPB6/omega subunit-like (From Homology)H: RPB6/omega subunit-likeT: RNA polymerase omega subunitF: RNA_pol_Rpb6ECOD (1.6)
LSigma70_r3e4jkrL1 A: alpha arraysX: HTHH: HTHT: tri-helicalF: Sigma70_r3ECOD (1.6)
LSigma70_r4e4jkrL2 A: alpha arraysX: HTHH: HTHT: tri-helicalF: Sigma70_r4ECOD (1.6)
LSigma70_r2_2e4jkrL3 A: alpha complex topologyX: Sigma2 domain-likeH: Sigma2 domain of RNA polymerase sigma factors (From Topology)T: Sigma2 domain of RNA polymerase sigma factorsF: Sigma70_r2_2ECOD (1.6)
FSigma70_r3e4jkrF2 A: alpha arraysX: HTHH: HTHT: tri-helicalF: Sigma70_r3ECOD (1.6)
FSigma70_r4e4jkrF1 A: alpha arraysX: HTHH: HTHT: tri-helicalF: Sigma70_r4ECOD (1.6)
FSigma70_r2_2e4jkrF3 A: alpha complex topologyX: Sigma2 domain-likeH: Sigma2 domain of RNA polymerase sigma factors (From Topology)T: Sigma2 domain of RNA polymerase sigma factorsF: Sigma70_r2_2ECOD (1.6)
JRNA_pol_Rpb1_2e4jkrJ5 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: double psiF: RNA_pol_Rpb1_2ECOD (1.6)
JPRK00566_2nde4jkrJ7 A: a+b two layersX: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymeraseF: PRK00566_2ndECOD (1.6)
JPRK00566_3rde4jkrJ9 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: PRK00566_3rdECOD (1.6)
JPRK14844e4jkrJ6 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: PRK14844ECOD (1.6)
JRNA_pol_Rpb1_5_1ste4jkrJ8 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: RNA_pol_Rpb1_5_1stECOD (1.6)
JRNA_pol_Rpb1_1e4jkrJ1 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: RNA_pol_Rpb1_1ECOD (1.6)
JRNA_pol_Rpb1_5_3rde4jkrJ3 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: RNA_pol_Rpb1_5_3rdECOD (1.6)
JRNA_pol_Rpb1_4e4jkrJ2 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: RNA_pol_Rpb1_4ECOD (1.6)
JRNA_pol_Rpb1_3e4jkrJ4 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: RNA_pol_Rpb1_3ECOD (1.6)
DRNA_pol_Rpb1_2e4jkrD6 A: beta barrelsX: cradle loop barrelH: RIFT-relatedT: double psiF: RNA_pol_Rpb1_2ECOD (1.6)
DPRK00566_2nde4jkrD7 A: a+b two layersX: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase (From Topology)T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymeraseF: PRK00566_2ndECOD (1.6)
DPRK00566_3rde4jkrD10 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: PRK00566_3rdECOD (1.6)
DPRK14844e4jkrD8 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: PRK14844ECOD (1.6)
DRNA_pol_Rpb1_5_1ste4jkrD9 A: a+b complex topologyX: alpha/beta-Hammerhead/Barrel-sandwich hybridH: alpha/beta-Hammerhead/Barrel-sandwich hybridT: Single hybrid motifF: RNA_pol_Rpb1_5_1stECOD (1.6)
DRNA_pol_Rpb1_1e4jkrD1 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: RNA_pol_Rpb1_1ECOD (1.6)
DRNA_pol_Rpb1_5_3rde4jkrD3 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: RNA_pol_Rpb1_5_3rdECOD (1.6)
DRNA_pol_Rpb1_4e4jkrD2 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: RNA_pol_Rpb1_4ECOD (1.6)
DRNA_pol_Rpb1_3e4jkrD5 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: RNA_pol_Rpb1_3ECOD (1.6)
HRNA_pol_Le4jkrH4 A: a+b two layersX: DCoH-likeH: RBP11-like subunits of RNA polymerase (From Topology)T: RBP11-like subunits of RNA polymeraseF: RNA_pol_LECOD (1.6)
HRNA_pol_A_bace4jkrH3 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: RNA_pol_A_bacECOD (1.6)
GRNA_pol_Le4jkrG4 A: a+b two layersX: DCoH-likeH: RBP11-like subunits of RNA polymerase (From Topology)T: RBP11-like subunits of RNA polymeraseF: RNA_pol_LECOD (1.6)
GRNA_pol_A_bace4jkrG3 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: RNA_pol_A_bacECOD (1.6)
BRNA_pol_Le4jkrB4 A: a+b two layersX: DCoH-likeH: RBP11-like subunits of RNA polymerase (From Topology)T: RBP11-like subunits of RNA polymeraseF: RNA_pol_LECOD (1.6)
BRNA_pol_A_bace4jkrB3 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: RNA_pol_A_bacECOD (1.6)
ARNA_pol_Le4jkrA4 A: a+b two layersX: DCoH-likeH: RBP11-like subunits of RNA polymerase (From Topology)T: RBP11-like subunits of RNA polymeraseF: RNA_pol_LECOD (1.6)
ARNA_pol_A_bace4jkrA3 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: RNA_pol_A_bacECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
F, L
PF04539Sigma-70 region 3 (Sigma70_r3)Sigma-70 region 3- Family
F, L
PF00140Sigma-70 factor, region 1.2 (Sigma70_r1_2)Sigma-70 factor, region 1.2- Family
F, L
PF04542Sigma-70 region 2 (Sigma70_r2)Sigma-70 region 2Region 2 of sigma-70 is the most conserved region of the entire protein. All members of this class of sigma-factor contain region 2. The high conservation is due to region 2 containing both the -10 promoter recognition helix and the primary core RNA ...Region 2 of sigma-70 is the most conserved region of the entire protein. All members of this class of sigma-factor contain region 2. The high conservation is due to region 2 containing both the -10 promoter recognition helix and the primary core RNA polymerase binding determinant. The core binding helix, interacts with the clamp domain of the largest polymerase subunit, beta prime [1,2]. The aromatic residues of the recognition helix, found at the C-terminus of this domain are though to mediate strand separation, thereby allowing transcription initiation [1,2].
Domain
F, L
PF04545Sigma-70, region 4 (Sigma70_r4)Sigma-70, region 4Region 4 of sigma-70 like sigma-factors are involved in binding to the -35 promoter element via a helix-turn-helix motif [1]. Due to the way Pfam works, the threshold has been set artificially high to prevent overlaps with other helix-turn-helix fami ...Region 4 of sigma-70 like sigma-factors are involved in binding to the -35 promoter element via a helix-turn-helix motif [1]. Due to the way Pfam works, the threshold has been set artificially high to prevent overlaps with other helix-turn-helix families. Therefore there are many false negatives.
Domain
F, L
PF04546Sigma-70, non-essential region (Sigma70_ner)Sigma-70, non-essential regionThe domain is found in the primary vegetative sigma factor. The function of this domain is unclear and can be removed without loss of function. Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
C, I
DNA-directed RNA polymerase subunit beta
E, K
DNA-directed RNA polymerase subunit omega---
F, L
RNA polymerase sigma factor RpoD
D, J
DNA-DIRECTED RNA POLYMERASE SUBUNIT BETA'---
A, B, G, H
DNA-directed RNA polymerase subunit alpha---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
C, I
IPR007642RNA polymerase Rpb2, domain 2Domain
C, I
IPR015712DNA-directed RNA polymerase, subunit 2Family
C, I
IPR037033DNA-directed RNA polymerase, subunit 2, hybrid-binding domain superfamilyHomologous Superfamily
C, I
IPR042107DNA-directed RNA polymerase, beta subunit, external 1 domain superfamilyHomologous Superfamily
C, I
IPR037034RNA polymerase Rpb2, domain 2 superfamilyHomologous Superfamily
C, I
IPR007120DNA-directed RNA polymerase, subunit 2, hybrid-binding domainDomain
C, I
IPR007121RNA polymerase, beta subunit, conserved siteConserved Site
C, I
IPR007645RNA polymerase Rpb2, domain 3Domain
C, I
IPR014724RNA polymerase Rpb2, OB-foldHomologous Superfamily
C, I
IPR019462DNA-directed RNA polymerase, beta subunit, external 1 domainDomain
C, I
IPR010243DNA-directed RNA polymerase beta subunit, bacterial-typeFamily
C, I
IPR007644RNA polymerase, beta subunit, protrusionDomain
C, I
IPR007641RNA polymerase Rpb2, domain 7Domain
F, L
IPR007627RNA polymerase sigma-70 region 2Domain
F, L
IPR000943RNA polymerase sigma-70Domain
F, L
IPR013325RNA polymerase sigma factor, region 2Homologous Superfamily
F, L
IPR009042RNA polymerase sigma-70 region 1.2Domain
F, L
IPR007630RNA polymerase sigma-70 region 4Domain
F, L
IPR014284RNA polymerase sigma-70-like domainDomain
F, L
IPR007624RNA polymerase sigma-70 region 3Domain
F, L
IPR028630RNA polymerase sigma factor RpoDFamily
F, L
IPR050239Sigma-70 factor family, RNA polymerase initiation factorsFamily
F, L
IPR007127RNA polymerase sigma factor 70, region 1.1Domain
F, L
IPR013324RNA polymerase sigma factor, region 3/4-likeHomologous Superfamily
F, L
IPR036388Winged helix-like DNA-binding domain superfamilyHomologous Superfamily
F, L
IPR012760RNA polymerase sigma factor RpoD, C-terminalDomain
F, L
IPR007631RNA polymerase sigma factor 70, non-essential domainDomain
F, L
IPR042189Sigma-70 factor, region 1.1 superfamilyHomologous Superfamily