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1NN5

Crystal structure of human thymidylate kinase with d4TMP + AppNHp

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0004550molecular_functionnucleoside diphosphate kinase activity
A0004798molecular_functiondTMP kinase activity
A0005524molecular_functionATP binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0005829cellular_componentcytosol
A0006227biological_processdUDP biosynthetic process
A0006233biological_processdTDP biosynthetic process
A0006235biological_processdTTP biosynthetic process
A0009165biological_processnucleotide biosynthetic process
A0016301molecular_functionkinase activity
A0016740molecular_functiontransferase activity
A0046105biological_processthymidine biosynthetic process
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 401
ChainResidue
ASER20
AANP303
AHOH504
AHOH505
AHOH506

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 402
ChainResidue
AHOH503
AHOH503
AHOH501
AHOH501
AHOH502
AHOH502

site_idAC3
Number of Residues19
DetailsBINDING SITE FOR RESIDUE 2DT A 301
ChainResidue
APHE42
APRO43
AARG45
ALEU57
APHE72
AARG76
AARG97
AGLY102
APHE105
AGLU149
ATYR151
AANP303
AHOH505
AHOH509
AHOH518
AHOH530
AHOH545
AHOH556
AHOH639

site_idAC4
Number of Residues32
DetailsBINDING SITE FOR RESIDUE ANP A 303
ChainResidue
AASP15
AARG16
AALA17
AGLY18
ALYS19
ASER20
ATHR21
AARG97
AARG143
AALA180
ALYS182
ASER183
AILE184
AARG192
A2DT301
AMG401
AHOH504
AHOH505
AHOH506
AHOH518
AHOH539
AHOH570
AHOH577
AHOH587
AHOH597
AHOH607
AHOH634
AHOH639
AHOH676
AHOH695
AHOH710
AHOH717

Functional Information from PROSITE/UniProt
site_idPS01331
Number of Residues13
DetailsTHYMIDYLATE_KINASE Thymidylate kinase signature. VVDRYafSGvAFT
ChainResidueDetails
AVAL94-THR106

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues5
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12614151","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1NMX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NMY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NN0","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NN3","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12614151","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1NMY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NMZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NN1","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1NMX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NMY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NN0","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NN3","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PDB","id":"1NMY","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NMZ","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NN1","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1NN5","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

245663

PDB entries from 2025-12-03

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