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1ALN

CRYSTAL STRUCTURE OF CYTIDINE DEAMINASE COMPLEXED WITH 3-DEAZACYTIDINE

Functional Information from GO Data
ChainGOidnamespacecontents
A0001884molecular_functionpyrimidine nucleoside binding
A0003824molecular_functioncatalytic activity
A0004126molecular_functioncytidine deaminase activity
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006217biological_processdeoxycytidine catabolic process
A0008270molecular_functionzinc ion binding
A0009972biological_processcytidine deamination
A0015949biological_processnucleobase-containing small molecule interconversion
A0016787molecular_functionhydrolase activity
A0042802molecular_functionidentical protein binding
A0042803molecular_functionprotein homodimerization activity
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 296
ChainResidue
AHIS102
ACYS129
ACYS132
AHOH700

site_idAC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE CTD A 295
ChainResidue
AVAL73
AASN89
AGLU91
ATHR100
AVAL101
AHIS102
AALA103
AGLU104
ATYR126
ATHR127
APHE165
AALA231
AHOH700
APHE71

site_idZN
Number of Residues4
DetailsZN BINDING SITE.
ChainResidue
AHIS102
ACYS129
ACYS132
ACTD295

Functional Information from PROSITE/UniProt
site_idPS00903
Number of Residues35
DetailsCYT_DCMP_DEAMINASES_1 Cytidine and deoxycytidylate deaminases zinc-binding region signature. HAEqsAIshawlsgekalaaitvnyt..............PCgh......CrqfM
ChainResidueDetails
AHIS102-MET136

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Proton donor => ECO:0000305|PubMed:8289286, ECO:0000305|PubMed:8634261, ECO:0000305|PubMed:9125497
ChainResidueDetails
AGLU104

site_idSWS_FT_FI2
Number of Residues4
DetailsBINDING: BINDING => ECO:0000305|PubMed:8289286, ECO:0000305|PubMed:8634261, ECO:0000305|PubMed:9125497
ChainResidueDetails
AASN89
AHIS102
ACYS129
ACYS132

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1ctt
ChainResidueDetails
AGLU104

site_idMCSA1
Number of Residues4
DetailsM-CSA 97
ChainResidueDetails
AHIS102metal ligand
AGLU104electrostatic stabiliser, hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
ACYS129metal ligand
ACYS132metal ligand

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PDB entries from 2024-07-10

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