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1UDW

Crystal structure of human uridine-cytidine kinase 2 complexed with a feedback-inhibitor, CTP

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0004849molecular_functionuridine kinase activity
A0005524molecular_functionATP binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0007631biological_processfeeding behavior
A0009224biological_processCMP biosynthetic process
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0042802molecular_functionidentical protein binding
A0043771molecular_functioncytidine kinase activity
A0044206biological_processUMP salvage
A0044211biological_processCTP salvage
A0048678biological_processresponse to axon injury
A0071453biological_processcellular response to oxygen levels
B0000166molecular_functionnucleotide binding
B0004849molecular_functionuridine kinase activity
B0005524molecular_functionATP binding
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0007631biological_processfeeding behavior
B0009224biological_processCMP biosynthetic process
B0016301molecular_functionkinase activity
B0016740molecular_functiontransferase activity
B0042802molecular_functionidentical protein binding
B0043771molecular_functioncytidine kinase activity
B0044206biological_processUMP salvage
B0044211biological_processCTP salvage
B0048678biological_processresponse to axon injury
B0071453biological_processcellular response to oxygen levels
Functional Information from PDB Data
site_idAC1
Number of Residues23
DetailsBINDING SITE FOR RESIDUE CTP A 301
ChainResidue
ATHR29
AASP84
ATYR112
AHIS117
AGLU135
AILE137
AARG166
AARG169
AARG174
AARG176
AGLN184
AALA30
AHOH303
AHOH308
AHOH313
AHOH331
ASER31
AGLY32
ALYS33
ASER34
AASP62
ATYR65
APHE83

site_idAC2
Number of Residues21
DetailsBINDING SITE FOR RESIDUE CTP B 1301
ChainResidue
BTHR29
BALA30
BSER31
BGLY32
BLYS33
BSER34
BASP62
BTYR65
BPHE83
BASP84
BTYR112
BHIS117
BGLU135
BILE137
BARG166
BARG169
BARG174
BARG176
BGLN184
BHOH1311
BHOH1321

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues16
DetailsBINDING: BINDING => ECO:0000269|PubMed:15130468, ECO:0000269|PubMed:15735337
ChainResidueDetails
AGLY27
BASP84
BTYR112
BHIS117
BARG166
BARG176
BGLN184
BASP213
AASP84
ATYR112
AHIS117
AARG166
AARG176
AGLN184
AASP213
BGLY27

site_idSWS_FT_FI2
Number of Residues2
DetailsMOD_RES: N-acetylalanine => ECO:0007744|PubMed:19413330
ChainResidueDetails
AALA2
BALA2

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PDB entries from 2025-06-18

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