Structure of PDB 4mra Chain A Binding Site BS01

Receptor Information
>4mra 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]
QISVRGLAGVENVTELKKNFNRHLHFTLVKDRNVATPRDYYFALAHTVRD
HLVGRWIRTQQHYYEKDPKRIYYLSLEFYMGRTLQNTMVNLALENACDEA
TYQLGLDMEELEEIEEDAGLGNGGLGRLAACFLDSMATLGLAAYGYGIRY
EFGIFNQKICGGWQMEEADDWLRYGNPWEKARPEFTLPVHFYGRVEHTSQ
GAKWVDTQVVLAMPYDTPVPGYRNNVVNTMRLWSAKAPNDGYIQAVLDRN
LAENISRVLYPNDNFFEGKELRLKQEYFVVAATLQDIIRRFKSSTNFDAF
PDKVAIQLNDTHPSLAIPELMRVLVDLERLDWDKAWEVTVKTCAYTNHTV
LPEALERWPVHLLETLLPRHLQIIYEINQRFLNRVAAAFPGDVDRLRRMS
LVEEGAVKRINMAHLCIAGSHAVNGVARIHSEILKKTIFKDFYELEPHKF
QNKTNGITPRRWLVLCNPGLAEIIAERIGEEYISDLDQLRKLLSYVDDEA
FIRDVAKVKQENKLKFAAYLEREYKVHINPNSLFDVQVKRIHEYKRQLLN
CLHVITLYNRIKKEPNKFVVPRTVMIGGKAAPGYHMAKMIIKLITAIGDV
VNHDPVVGDRLRVIFLENYRVSLAEKVIPAADLSEQISTAGTEASGTGNM
KFMLNGALTIGTMDGANVEMAEEAGEENFFIFGMRVEDVDRLDQRGYNAQ
EYYDRIPELRQIIEQLSSGFFSPKQPDLFKDIVNMLMHHDRFKVFADYEE
YVKCQERVSALYKNPREWTRMVIRNIATSGKFSSDRTIAQYAREIWGVEP
SRQRLPA
Ligand information
Ligand IDQUE
InChIInChI=1S/C15H10O7/c16-7-4-10(19)12-11(5-7)22-15(14(21)13(12)20)6-1-2-8(17)9(18)3-6/h1-5,16-19,21H
InChIKeyREFJWTPEDVJJIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Oc1cc(O)c2C(=O)C(=C(Oc2c1)c3ccc(O)c(O)c3)O
OpenEye OEToolkits 1.5.0c1cc(c(cc1C2=C(C(=O)c3c(cc(cc3O2)O)O)O)O)O
ACDLabs 10.04O=C1c3c(OC(=C1O)c2ccc(O)c(O)c2)cc(O)cc3O
FormulaC15 H10 O7
Name3,5,7,3',4'-PENTAHYDROXYFLAVONE;
QUERCETIN
ChEMBLCHEMBL50
DrugBankDB04216
ZINCZINC000003869685
PDB chain4mra Chain A Residue 901 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4mra Biochemical and biological assessment of the inhibitory potency of extracts from vinification byproducts of Vitis vinifera extracts against glycogen phosphorylase.
Resolution2.34 Å
Binding residue
(original residue number in PDB)		E121 E124 K544 Y548 R551 K655
Binding residue
(residue number reindexed from 1)		E110 E113 K515 Y519 R522 K626
Annotation score1
Binding affinityMOAD: ic50=33.5uM
PDBbind-CN: -logKd/Ki=4.47,IC50=33.5uM
Enzymatic activity
Catalytic site (original residue number in PDB) H377 K568 R569 K574 T676 K680
Catalytic site (residue number reindexed from 1) H348 K539 R540 K545 T647 K651
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:4mra, PDBe:4mra, PDBj:4mra
PDBsum4mra
PubMed24556570
UniProtP00489|PYGM_RABIT Glycogen phosphorylase, muscle form (Gene Name=PYGM)

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