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2H0D

Structure of a Bmi-1-Ring1B Polycomb group ubiquitin ligase complex

Functional Information from GO Data
ChainGOidnamespacecontents
B0000151cellular_componentubiquitin ligase complex
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 201
ChainResidue
ACYS18
ACYS21
ACYS39
ACYS42

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 202
ChainResidue
ACYS34
AHIS36
ACYS53
ACYS56

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 203
ChainResidue
BCYS54
BCYS72
BCYS75
BCYS51

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 204
ChainResidue
BCYS67
BHIS69
BCYS87
BCYS90

Functional Information from PROSITE/UniProt
site_idPS00518
Number of Residues10
DetailsZF_RING_1 Zinc finger RING-type signature. ClHsFCktCI
ChainResidueDetails
ACYS34-ILE43
BCYS67-ILE76

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues79
DetailsZinc finger: {"description":"RING-type","evidences":[{"source":"PROSITE-ProRule","id":"PRU00175","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues14
DetailsMotif: {"description":"Nuclear localization signal","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues5
DetailsRegion: {"description":"Interaction with nucleosomes via an acidic patch on histone H2A and histone H2B","evidences":[{"source":"PubMed","id":"25355358","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"25519132","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"UniProtKB","id":"Q9CQJ4","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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