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6K63

The crystal structure of cytidine deaminase from Klebsiella pneumoniae

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0004126molecular_functioncytidine deaminase activity
A0005829cellular_componentcytosol
A0008270molecular_functionzinc ion binding
A0016787molecular_functionhydrolase activity
A0042803molecular_functionprotein homodimerization activity
A0046135biological_processpyrimidine nucleoside catabolic process
A0046872molecular_functionmetal ion binding
B0003824molecular_functioncatalytic activity
B0004126molecular_functioncytidine deaminase activity
B0005829cellular_componentcytosol
B0008270molecular_functionzinc ion binding
B0016787molecular_functionhydrolase activity
B0042803molecular_functionprotein homodimerization activity
B0046135biological_processpyrimidine nucleoside catabolic process
B0046872molecular_functionmetal ion binding
C0003824molecular_functioncatalytic activity
C0004126molecular_functioncytidine deaminase activity
C0005829cellular_componentcytosol
C0008270molecular_functionzinc ion binding
C0016787molecular_functionhydrolase activity
C0042803molecular_functionprotein homodimerization activity
C0046135biological_processpyrimidine nucleoside catabolic process
C0046872molecular_functionmetal ion binding
D0003824molecular_functioncatalytic activity
D0004126molecular_functioncytidine deaminase activity
D0005829cellular_componentcytosol
D0008270molecular_functionzinc ion binding
D0016787molecular_functionhydrolase activity
D0042803molecular_functionprotein homodimerization activity
D0046135biological_processpyrimidine nucleoside catabolic process
D0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue DIO A 301
ChainResidue
AHIS182
AALA204
AHIS208
APRO210

site_idAC2
Number of Residues4
Detailsbinding site for residue DIO A 302
ChainResidue
ATYR126
ATHR127
BPHE165
BDIO301

site_idAC3
Number of Residues4
Detailsbinding site for residue ZN A 303
ChainResidue
ACYS129
ACYS132
AHOH610
AHIS102

site_idAC4
Number of Residues5
Detailsbinding site for residue DIO B 301
ChainResidue
APHE71
ADIO302
BALA231
BPHE233
BHOH438

site_idAC5
Number of Residues4
Detailsbinding site for residue DIO B 302
ChainResidue
BHIS182
BALA204
BHIS208
BPRO210

site_idAC6
Number of Residues4
Detailsbinding site for residue DIO B 303
ChainResidue
APHE165
BTYR126
BTHR127
BHOH542

site_idAC7
Number of Residues7
Detailsbinding site for residue DIO B 304
ChainResidue
ALEU170
AALA231
APHE233
BSER69
BPHE71
BHOH404
BHOH566

site_idAC8
Number of Residues4
Detailsbinding site for residue ZN B 305
ChainResidue
BHIS102
BCYS129
BCYS132
BHOH542

site_idAC9
Number of Residues4
Detailsbinding site for residue DIO C 301
ChainResidue
CHIS182
CALA204
CHIS208
CPRO210

site_idAD1
Number of Residues7
Detailsbinding site for residue DIO C 302
ChainResidue
CLEU170
CALA231
CHOH420
CHOH597
CHOH599
DSER69
DPHE71

site_idAD2
Number of Residues4
Detailsbinding site for residue ZN C 303
ChainResidue
CHIS102
CCYS129
CCYS132
CHOH441

site_idAD3
Number of Residues4
Detailsbinding site for residue DIO D 301
ChainResidue
CTYR126
CHOH441
DPHE165
DDIO302

site_idAD4
Number of Residues6
Detailsbinding site for residue DIO D 302
ChainResidue
CSER69
DLEU170
DALA231
DPHE233
DDIO301
DHOH652

site_idAD5
Number of Residues4
Detailsbinding site for residue DIO D 303
ChainResidue
DHIS182
DALA204
DHIS208
DPRO210

site_idAD6
Number of Residues4
Detailsbinding site for residue DIO D 304
ChainResidue
CPHE165
DHIS102
DTYR126
DHOH439

site_idAD7
Number of Residues4
Detailsbinding site for residue ZN D 305
ChainResidue
DHIS102
DCYS129
DCYS132
DHOH439

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

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues480
DetailsDomain: {"description":"CMP/dCMP-type deaminase 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU01083","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues432
DetailsDomain: {"description":"CMP/dCMP-type deaminase 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU01083","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"HAMAP-Rule","id":"MF_01558","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues20
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_01558","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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