Structure of PDB 4ctn Chain A Binding Site BS01

Receptor Information
>4ctn 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 IDM8P
InChIInChI=1S/C19H18N2O7S/c22-8-12-13(23)14(24)15(25)19(28-12)17(27)21-18(29-19)20-16(26)11-6-5-9-3-1-2-4-10(9)7-11/h1-7,12-15,22-25H,8H2,(H,20,21,26,27)/t12-,13-,14+,15-,19-/m1/s1
InChIKeyYJXSIZXIPBKFHB-ULPMNANESA-N
SMILES
SoftwareSMILES
CACTVS 3.385OC[C@H]1O[C@@]2(SC(NC2=O)=NC(=O)c3ccc4ccccc4c3)[C@H](O)[C@@H](O)[C@@H]1O
OpenEye OEToolkits 1.7.6c1ccc2cc(ccc2c1)C(=O)N=C3NC(=O)C4(S3)C(C(C(C(O4)CO)O)O)O
OpenEye OEToolkits 1.7.6c1ccc2cc(ccc2c1)C(=O)/N=C\3/NC(=O)[C@]4(S3)[C@@H]([C@H]([C@@H]([C@H](O4)CO)O)O)O
ACDLabs 12.01O=C4NC(=N/C(=O)c2cc1ccccc1cc2)/SC43OC(C(O)C(O)C3O)CO
CACTVS 3.385OC[CH]1O[C]2(SC(NC2=O)=NC(=O)c3ccc4ccccc4c3)[CH](O)[CH](O)[CH]1O
FormulaC19 H18 N2 O7 S
NameN-[(2Z,5R,7R,8S,9S,10R)-8,9,10-trihydroxy-7-(hydroxymethyl)-4-oxo-6-oxa-1-thia-3-azaspiro[4.5]dec-2-ylidene]naphthalene-2-carboxamide
ChEMBLCHEMBL3310895
DrugBank
ZINCZINC000098209159
PDB chain4ctn Chain A Residue 998 [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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PDB4ctn Glucopyranosylidene-Spiro-Iminothiazolidinone, a New Bicyclic Ring System: Synthesis, Derivatization, and Evaluation for Inhibition of Glycogen Phosphorylase by Enzyme Kinetic and Crystallographic Methods.
Resolution2.1 Å
Binding residue
(original residue number in PDB)		G135 L136 N282 D283 N284 R292 D339 H341 H377 T378 N484 E672 S674 G675
Binding residue
(residue number reindexed from 1)		G124 L125 N262 D263 N264 R272 D310 H312 H348 T349 N455 E643 S645 G646
Annotation score1
Binding affinityMOAD: Ki=10uM
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:4ctn, PDBe:4ctn, PDBj:4ctn
PDBsum4ctn
PubMed25009003
UniProtP00489|PYGM_RABIT Glycogen phosphorylase, muscle form (Gene Name=PYGM)

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