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5CQK

Crystal Structure of the Cancer Genomic DNA Mutator APOBEC3B

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0008270molecular_functionzinc ion binding
A0016787molecular_functionhydrolase activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue ZN A 401
ChainResidue
AHIS253
ACYS284
ACYS289
AHOH510

site_idAC2
Number of Residues10
Detailsbinding site for residue GOL A 402
ChainResidue
AHIS253
ATYR313
AHOH504
AHOH505
AHOH510
AARG211
AARG212
AGLN213
ATHR214
AASN240

site_idAC3
Number of Residues11
Detailsbinding site for residue GOL A 403
ChainResidue
ATYR215
APHE237
ACYS239
ATHR337
ATYR338
AASP339
AHOH503
AHOH556
AHOH558
AHOH562
AHOH570

site_idAC4
Number of Residues7
Detailsbinding site for residue PGE A 404
ChainResidue
AARG252
ALEU259
AASP260
AASP314
ATYR315
APGE405
ANA406

site_idAC5
Number of Residues9
Detailsbinding site for residue PGE A 405
ChainResidue
APRO206
AARG252
ALEU259
AASP260
AGLU292
AASP314
ATYR315
APGE404
ANA406

site_idAC6
Number of Residues4
Detailsbinding site for residue NA A 406
ChainResidue
AASP260
AASP314
APGE404
APGE405

Functional Information from PROSITE/UniProt
site_idPS00903
Number of Residues41
DetailsCYT_DCMP_DEAMINASES_1 Cytidine and deoxycytidylate deaminases zinc-binding region signature. HAElrFLdlvpslqldpaqiyrvtwfisws..........PCfswg....CageV
ChainResidueDetails
AHIS253-VAL293

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton donor","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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