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1YTK

Crystal structure of a nicotinate phosphoribosyltransferase from Thermoplasma acidophilum with nicotinate mononucleotide

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0004514molecular_functionnicotinate-nucleotide diphosphorylase (carboxylating) activity
A0004516molecular_functionnicotinate phosphoribosyltransferase activity
A0009435biological_processNAD+ biosynthetic process
A0016740molecular_functiontransferase activity
A0016763molecular_functionpentosyltransferase activity
A0016874molecular_functionligase activity
A0019363biological_processpyridine nucleotide biosynthetic process
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE NCN A 401
ChainResidue
AASP19
AASP237
AGLY272
AGLY292
ATHR293
AHOH503
AHOH518
AHOH536
ATYR21
APHE138
AARG141
AARG142
ASER164
AGLY178
ATHR179
AARG235

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE TRS A 402
ChainResidue
ATHR50
AGLY118
ATHR121
ALYS122
ALYS125
ALYS299
AHOH560

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15753098","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15753098","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"1YTK","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"FEB-2009","submissionDatabase":"PDB data bank","title":"Crystal structure of a zinc ion bound nicotinate phosphoribosyltransferase from Thermoplasma acidophilum.","authoringGroup":["Berkeley structural genomics center (BSGC)"]}}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphohistidine","evidences":[{"source":"UniProtKB","id":"P22253","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1qpr
ChainResidueDetails
ATHR107

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PDB entries from 2025-12-17

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