Structure of the Mediator Head Module from S. cerevisiae in complex with the carboxy-terminal domain (CTD) of RNA Polymerase II Rpb1 subunit


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
CSCOP2B SuperfamilyMediator of RNA polymerase II transcription subunit 8 8091509 3002515 SCOP2B (2022-06-29)
GSCOP2B SuperfamilyMediator of RNA polymerase II transcription subunit 6 8091511 3002516 SCOP2B (2022-06-29)
FSCOP2B SuperfamilyCYTH-like phosphatases 8091513 3001426 SCOP2B (2022-06-29)
ESCOP2B SuperfamilyCYTH-like phosphatases 8090011 3001426 SCOP2B (2022-06-29)
DSCOP2B SuperfamilyMediator subcomplex-like 8051778 3001613 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMediator of RNA polymerase II transcription subunit 17 8091516 3002517 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyMediator subcomplex-like 8051777 3001613 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
CEXOSC1e4gwqC1 A: alpha arraysX: Anticodon-binding domain of Class II aaRSH: Anticodon-binding domain of Class II aaRST: Anticodon-binding domain of Class II aaRSF: EXOSC1ECOD (v295.2)
GRibonuc_L-PSPe4gwqG2 A: alpha arraysX: Fusion glycoprotein F2H: Fusion glycoprotein F2T: Fusion glycoprotein F2F: Ribonuc_L-PSPECOD (v295.2)
FFtsJe4gwqF1 A: alpha arraysX: beta-GraspH: Ubiquitin-relatedT: Ubiquitin-likeF: FtsJECOD (v295.2)
EMed18e4gwqE1 A: alpha arraysX: DEATH domainH: omega toxin-relatedT: Scorpion toxin-likeF: Med18ECOD (v295.2)
DFtsJe4gwqD1 A: alpha arraysX: beta-GraspH: Ubiquitin-relatedT: Ubiquitin-likeF: FtsJECOD (v295.2)
BFRB_dome4gwqB1 A: alpha arraysX: Ribonuclease H-likeH: Ribonuclease H-likeT: Ribonuclease H-likeF: FRB_domECOD (v295.2)
ACarD_Ce4gwqA1 A: alpha arraysX: MHC antigen-recognition domainH: MHC antigen-recognition domainT: MHC antigen-recognition domainF: CarD_CECOD (v295.2)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF10232Mediator of RNA polymerase II transcription complex subunit 8 (Med8)Mediator of RNA polymerase II transcription complex subunit 8- Family
PF05001RNA polymerase Rpb1 C-terminal repeat (RNA_pol_Rpb1_R)RNA polymerase Rpb1 C-terminal repeat- Repeat
PF04934MED6 mediator sub complex component (Med6)MED6 mediator sub complex component- Family
PF09637Med18 protein (Med18)Med18 proteinMed18 is one subunit of Mediator, a head-module multiprotein complex, that stimulates basal RNA polymerase II (Pol II) transcription. Med18 consists of an eight-stranded beta-barrel with a central pore and three flanking helices. It complexes with Me ...Med18 is one subunit of Mediator, a head-module multiprotein complex, that stimulates basal RNA polymerase II (Pol II) transcription. Med18 consists of an eight-stranded beta-barrel with a central pore and three flanking helices. It complexes with Med8 and Med20 proteins by forming a heterodimer of two-fold symmetry with Med20 and binding the C-terminal alpha-helix region of Med8 across the top of its barrel. This complex creates a multipartite TBP-binding site that can be modulated by transcriptional activators [1].
Domain
PF06179Surfeit locus protein 5 subunit 22 of Mediator complex (Med22)Surfeit locus protein 5 subunit 22 of Mediator complex- Family
PF10280Mediator complex protein (Med11)Mediator complex protein- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
Mediator of RNA polymerase II transcription subunit 8
DNA-directed RNA polymerase II subunit RPB1
Mediator of RNA polymerase II transcription subunit 6
Mediator of RNA polymerase II transcription subunit 20
Mediator of RNA polymerase II transcription subunit 18
Mediator of RNA polymerase II transcription subunit 22
Mediator of RNA polymerase II transcription subunit 17
Mediator of RNA polymerase II transcription subunit 11

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
IPR019364Mediator complex, subunit Med8, fungi/metazoaFamily
IPR007081RNA polymerase Rpb1, domain 5Domain
IPR045867DNA-directed RNA polymerase, subunit beta-primeFamily
IPR007075RNA polymerase Rpb1, domain 6Domain
IPR000684RNA polymerase II, heptapeptide repeat, eukaryoticRepeat
IPR007083RNA polymerase Rpb1, domain 4Domain
IPR044893RNA polymerase Rpb1, clamp domain superfamilyHomologous Superfamily
IPR006592RNA polymerase, N-terminalDomain
IPR007066RNA polymerase Rpb1, domain 3Domain
IPR007073RNA polymerase Rpb1, domain 7Domain
IPR042102RNA polymerase Rpb1, domain 3 superfamilyHomologous Superfamily
IPR038593RNA polymerase Rpb1, domain 7 superfamilyHomologous Superfamily
IPR000722RNA polymerase, alpha subunitDomain
IPR038120RNA polymerase Rpb1, funnel domain superfamilyHomologous Superfamily
IPR007080RNA polymerase Rpb1, domain 1Domain
IPR007018Mediator complex, subunit Med6Family
IPR016612Mediator complex, subunit Med6, fungiFamily
IPR038566Mediator complex, subunit Med6 superfamilyHomologous Superfamily
IPR013921Mediator complex, subunit Med20Family
IPR016532Mediator of RNA polymerase II transcription subunit 20Family
IPR019095Mediator complex, subunit Med18Family
IPR009332Mediator of RNA polymerase II transcription subunit 22Family
IPR016530Mediator of RNA polymerase II transcription subunit 22, SaccharomycetesFamily
IPR063477Mediator complex subunit 17, N-terminal domainDomain
IPR019313Mediator complex, subunit Med17Family
IPR019404Mediator complex, subunit Med11Family