Structure of PDB 6hgs Chain A Binding Site BS01

Receptor Information
>6hgs Chain A (length=176) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DSELQLVEQRIRSFPDFPTPGVVFRDISPVLKDPASFRAAIGLLARHLKA
THGGRIDYIAGLDSRGFLFGPSLAQELGLGCVLIRKRGKLPGPTLWASYS
LGKAELEIQKDALEPGQRVVVVDDLLATGGTMNAACELLGRLQAEVLECV
SLVELTSLKGREKLAPVPFFSLLQYE
Ligand information
Ligand ID5GP
InChIInChI=1S/C10H14N5O8P/c11-10-13-7-4(8(18)14-10)12-2-15(7)9-6(17)5(16)3(23-9)1-22-24(19,20)21/h2-3,5-6,9,16-17H,1H2,(H2,19,20,21)(H3,11,13,14,18)/t3-,5-,6-,9-/m1/s1
InChIKeyRQFCJASXJCIDSX-UUOKFMHZSA-N
SMILES
SoftwareSMILES
CACTVS 3.341NC1=Nc2n(cnc2C(=O)N1)[C@@H]3O[C@H](CO[P](O)(O)=O)[C@@H](O)[C@H]3O
CACTVS 3.341NC1=Nc2n(cnc2C(=O)N1)[CH]3O[CH](CO[P](O)(O)=O)[CH](O)[CH]3O
ACDLabs 10.04O=C1c2ncn(c2N=C(N)N1)C3OC(C(O)C3O)COP(=O)(O)O
OpenEye OEToolkits 1.5.0c1nc2c(n1C3C(C(C(O3)COP(=O)(O)O)O)O)N=C(NC2=O)N
OpenEye OEToolkits 1.5.0c1nc2c(n1[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)(O)O)O)O)N=C(NC2=O)N
FormulaC10 H14 N5 O8 P
NameGUANOSINE-5'-MONOPHOSPHATE
ChEMBLCHEMBL283807
DrugBankDB01972
ZINCZINC000002159505
PDB chain6hgs Chain A Residue 200 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB6hgs Structural basis for substrate selectivity and nucleophilic substitution mechanisms in human adenine phosphoribosyltransferase catalyzed reaction.
Resolution1.55 Å
Binding residue
(original residue number in PDB)		F26 R27 R67 D127 D128 L129 A131 T132 G133 T135
Binding residue
(residue number reindexed from 1)		F24 R25 R65 D123 D124 L125 A127 T128 G129 T131
Annotation score2
Binding affinityMOAD: Ki=170uM
Enzymatic activity
Enzyme Commision number 2.4.2.7: adenine phosphoribosyltransferase.
Gene Ontology
Molecular Function
GO:0002055 adenine binding
GO:0003999 adenine phosphoribosyltransferase activity
GO:0005515 protein binding
GO:0016208 AMP binding
GO:0016757 glycosyltransferase activity
Biological Process
GO:0006166 purine ribonucleoside salvage
GO:0006168 adenine salvage
GO:0007625 grooming behavior
GO:0032263 GMP salvage
GO:0032264 IMP salvage
GO:0044209 AMP salvage
GO:0046083 adenine metabolic process
Cellular Component
GO:0005576 extracellular region
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0034774 secretory granule lumen
GO:0070062 extracellular exosome

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6hgs, PDBe:6hgs, PDBj:6hgs
PDBsum6hgs
PubMed31160323
UniProtP07741|APT_HUMAN Adenine phosphoribosyltransferase (Gene Name=APRT)

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