Structure of PDB 2pyi Chain A Binding Site BS01

Receptor Information
>2pyi Chain A (length=807) Species: 9986 (Oryctolagus cuniculus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RKQISVRGLAGVENVTELKKNFNRHLHFTLVKDRNVATPRDYYFALAHTV
RDHLVGRWIRTQQHYYEKDPKRIYYLSLEFYMGRTLQNTMVNLALENACD
EATYQLGLDMEELEEIEEDAGLGNGGLGRLAACFLDSMATLGLAAYGYGI
RYEFGIFNQKICGGWQMEEADDWLRYGNPWEKARPEFTLPVHFYGRVEHT
SQGAKWVDTQVVLAMPYDTPVPGYRNNVVNTMRLWSAKAPNGYIQAVLDR
NLAENISRVLYPNDNFFEGKELRLKQEYFVVAATLQDIIRRFKSSKNFDA
FPDKVAIQLNDTHPSLAIPELMRVLVDLERLDWDKAWEVTVKTCAYTNHT
VLPEALERWPVHLLETLLPRHLQIIYEINQRFLNRVAAAFPGDVDRLRRM
SLVEEGAVKRINMAHLCIAGSHAVNGVARIHSEILKKTIFKDFYELEPHK
FQNKTNGITPRRWLVLCNPGLAEIIAERIGEEYISDLDQLRKLLSYVDDE
AFIRDVAKVKQENKLKFAAYLEREYKVHINPNSLFDVQVKRIHEYKRQLL
NCLHVITLYNRIKKEPNKFVVPRTVMIGGKAAPGYHMAKMIIKLITAIGD
VVNHDPVVGDRLRVIFLENYRVSLAEKVIPAADLSEQISTAGTEASGTGN
MKFMLNGALTIGTMDGANVEMAEEAGEENFFIFGMRVEDVDRLDQRGYNA
QEYYDRIPELRQIIEQLSSGFFSPKQPDLFKDIVNMLMHHDRFKVFADYE
EYVKCQERVSALYKNPREWTRMVIRNIATSGKFSSDRTIAQYAREIWGVE
PSRQRLP
Ligand information
Ligand IDDL8
InChIInChI=1S/C16H20N4O6/c21-8-11-13(23)14(24)15(25)16(26-11)17-12(22)7-20-6-10(18-19-20)9-4-2-1-3-5-9/h1-6,11,13-16,21,23-25H,7-8H2,(H,17,22)/t11-,13-,14+,15-,16-/m1/s1
InChIKeyNWFJPPOXTYDHDB-YMILTQATSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1ccc(cc1)c2cn(nn2)CC(=O)N[C@H]3[C@@H]([C@H]([C@@H]([C@H](O3)CO)O)O)O
ACDLabs 10.04O=C(NC1OC(C(O)C(O)C1O)CO)Cn3nnc(c2ccccc2)c3
OpenEye OEToolkits 1.5.0c1ccc(cc1)c2cn(nn2)CC(=O)NC3C(C(C(C(O3)CO)O)O)O
CACTVS 3.341OC[C@H]1O[C@@H](NC(=O)Cn2cc(nn2)c3ccccc3)[C@H](O)[C@@H](O)[C@@H]1O
CACTVS 3.341OC[CH]1O[CH](NC(=O)Cn2cc(nn2)c3ccccc3)[CH](O)[CH](O)[CH]1O
FormulaC16 H20 N4 O6
NameN-[(4-PHENYL-1H-1,2,3-TRIAZOL-1-YL)ACETYL]-BETA-D-GLUCOPYRANOSYLAMINE
ChEMBLCHEMBL1232257
DrugBank
ZINCZINC000016052408
PDB chain2pyi Chain A Residue 998 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2pyi Crystallographic and computational studies on 4-phenyl-N-(beta-D-glucopyranosyl)-1H-1,2,3-triazole-1-acetamide, an inhibitor of glycogen phosphorylase: Comparison with alpha-D-glucose, N-acetyl-beta-D-glucopyranosylamine and N-benzoyl-N'-beta-D-glucopyranosyl urea binding.
Resolution1.88 Å
Binding residue
(original residue number in PDB)
L136 N282 D283 N284 F286 H377 A383 V455 N484 E672 S674 G675
Binding residue
(residue number reindexed from 1)
L127 N263 D264 N265 F267 H349 A355 V427 N456 E644 S646 G647
Annotation score1
Binding affinityMOAD: Ki=179uM
PDBbind-CN: -logKd/Ki=3.75,Ki=179uM
BindingDB: Ki=180000nM
Enzymatic activity
Catalytic site (original residue number in PDB) H377 K568 R569 K574 T676 K680
Catalytic site (residue number reindexed from 1) H349 K540 R541 K546 T648 K652
Enzyme Commision number 2.4.1.1: glycogen phosphorylase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004645 1,4-alpha-oligoglucan phosphorylase activity
GO:0008184 glycogen phosphorylase activity
GO:0016757 glycosyltransferase activity
GO:0030170 pyridoxal phosphate binding
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0005977 glycogen metabolic process
GO:0005980 glycogen catabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0098723 skeletal muscle myofibril

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:2pyi, PDBe:2pyi, PDBj:2pyi
PDBsum2pyi
PubMed18041758
UniProtP00489|PYGM_RABIT Glycogen phosphorylase, muscle form (Gene Name=PYGM)

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