Structure of PDB 1g9s Chain B Binding Site BS01

Receptor Information
>1g9s Chain B (length=169) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKHTVEVMIPEAEIKARIAELGRQITERYKDSGSDMVLVGLLRGSFMFMA
DLCREVQVSHEVDFMTASSRDLKILKDLDEDIRGKDVLIVEDIIDSGNTL
SKVREILSLREPKSLAICTLLDKPSRREVNVPVEFIGFSIPDEFVVGYGI
DYAQRYRHLPYIGKVILLD
Ligand information
Ligand IDN
InChIInChI=1S/C5H11O7P/c6-3-1-11-4(5(3)7)2-12-13(8,9)10/h3-7H,1-2H2,(H2,8,9,10)/t3-,4+,5-/m0/s1
InChIKeyCYZZKTRFOOKUMT-LMVFSUKVSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=P(OCC1OCC(O)C1O)(O)O
CACTVS 3.385O[CH]1CO[CH](CO[P](O)(O)=O)[CH]1O
OpenEye OEToolkits 1.7.5C1C(C(C(O1)COP(=O)(O)O)O)O
CACTVS 3.385O[C@H]1CO[C@H](CO[P](O)(O)=O)[C@H]1O
OpenEye OEToolkits 1.7.5C1[C@@H]([C@@H]([C@H](O1)COP(=O)(O)O)O)O
FormulaC5 H11 O7 P
NameANY 5'-MONOPHOSPHATE NUCLEOTIDE;
1-DEOXY-RIBOFURANOSE-5'-PHOSPHATE
ChEMBL
DrugBank
ZINCZINC000005850787
PDB chain1g9s Chain B Residue 490 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1g9s Crystal structures of free, IMP-, and GMP-bound Escherichia coli hypoxanthine phosphoribosyltransferase.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		E403 I406 D407 S408 G409 N410 T411 L412
Binding residue
(residue number reindexed from 1)		E91 I94 D95 S96 G97 N98 T99 L100
Annotation score2
Enzymatic activity
Catalytic site (original residue number in PDB) E403 D404 D407 F456 R469
Catalytic site (residue number reindexed from 1) E91 D92 D95 F144 R157
Enzyme Commision number 2.4.2.8: hypoxanthine phosphoribosyltransferase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0000287 magnesium ion binding
GO:0004422 hypoxanthine phosphoribosyltransferase activity
GO:0016757 glycosyltransferase activity
GO:0042802 identical protein binding
GO:0046872 metal ion binding
GO:0052657 guanine phosphoribosyltransferase activity
GO:0097216 guanosine tetraphosphate binding
Biological Process
GO:0006166 purine ribonucleoside salvage
GO:0006178 guanine salvage
GO:0032263 GMP salvage
GO:0032264 IMP salvage
GO:0046100 hypoxanthine metabolic process
GO:0051289 protein homotetramerization
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0032991 protein-containing complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1g9s, PDBe:1g9s, PDBj:1g9s
PDBsum1g9s
PubMed12070315
UniProtP0A9M2|HPRT_ECOLI Hypoxanthine phosphoribosyltransferase (Gene Name=hpt)

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