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4X3K

Crystal structure of chromobox homolog 7 (CBX7) chromodomain with H3K27me3 peptide

Functional Information from GO Data
ChainGOidnamespacecontents
A0035102cellular_componentPRC1 complex
B0035102cellular_componentPRC1 complex
Functional Information from PDB Data
site_idAC1
Number of Residues3
Detailsbinding site for residue NI A 101
ChainResidue
AHIS5
AGLU8
AHIS47

site_idAC2
Number of Residues3
Detailsbinding site for residue NI B 101
ChainResidue
BHIS5
BGLU8
BHIS47

site_idAC3
Number of Residues4
Detailsbinding site for residue K B 102
ChainResidue
BGLU62
BLYS19
BGLU58
BGLU61

site_idAC4
Number of Residues12
Detailsbinding site for Di-peptide ARG C 4 and M3L C 5
ChainResidue
AHIS5
AGLU8
AGLN9
APHE11
ATRP32
ATRP35
AGLU43
AHIS47
AHOH211
CALA3
CSER6
CHOH108

site_idAC5
Number of Residues11
Detailsbinding site for Di-peptide M3L C 5 and SER C 6
ChainResidue
AGLN9
APHE11
ATRP32
ATRP35
AGLU43
AHIS47
AHOH211
CARG4
CALA7
CHOH101
CHOH105

site_idAC6
Number of Residues13
Detailsbinding site for Di-peptide ARG D 4 and M3L D 5
ChainResidue
APRO51
BHIS5
BGLU8
BGLN9
BTRP32
BTRP35
BGLU43
BHIS47
BHOH265
DALA3
DSER6
DALA7
DHOH102

site_idAC7
Number of Residues9
Detailsbinding site for Di-peptide M3L D 5 and SER D 6
ChainResidue
BGLN9
BTRP32
BTRP35
BGLU43
BHIS47
DALA3
DARG4
DALA7
DHOH102

Functional Information from PROSITE/UniProt
site_idPS00598
Number of Residues21
DetailsCHROMO_1 Chromo domain signature. YlVKWkGWppkys.TWEPeehI
ChainResidueDetails
ATYR28-ILE48

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsModified residue: {"description":"N6-methyllysine; alternate","evidences":[{"source":"PubMed","id":"17194708","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsModified residue: {"description":"Citrulline","evidences":[{"source":"PubMed","id":"16567635","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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