Structure of PDB 1ww3 Chain A

Receptor sequence
>1ww3A (length=809) Species: 9986 (Oryctolagus cuniculus) [Search protein sequence]
QISVRGLAGVENVTELKKNFNRHLHFTLVKDRNVATPRDYYFALAHTVRD
HLVGRWIRTQQHYYEKDPKRIYYLSLEFYMGRTLQNTMVNLALENACDEA
TYQLGLDMEELEEIEEDAGLGNGGLGRLAACFLDSMATLGLAAYGYGIRY
EFGIFNQKICGGWQMEEADDWLRYGNPWEKARPEFTLPVHFYGRVEHTSQ
GAKWVDTQVVLAMPYDTPVPGYRNNVVNTMRLWSAKAPNDFGYIQAVLDR
NLAENISRVLYPNDNFFEGKELRLKQEYFVVAATLQDIIRRFKSSTNFDA
FPDKVAIQLNDTHPSLAIPELMRVLVDLERLDWDKAWEVTVKTCAYTNHT
VIPEALERWPVHLLETLLPRHLQIIYEINQRFLNRVAAAFPGDVDRLRRM
SLVEEGAVKRINMAHLCIAGSHAVNGVARIHSEILKKTIFKDFYELEPHK
FQNKTNGITPRRWLVLCNPGLAEIIAERIGEEYISDLDQLRKLLSYVDDE
AFIRDVAKVKQENKLKFAAYLEREYKVHINPNSLFDVQVKRIHEYKRQLL
NCLHVITLYNRIKKEPNKFVVPRTVMIGGKAAPGYHMAKMIIKLITAIGD
VVNHDPVVGDRLRVIFLENYRVSLAEKVIPAADLSEQISTAGTEASGTGN
MKFMLNGALTIGTMDGANVEMAEEAGEENFFIFGMRVEDVDRLDQRGYNA
QEYYDRIPELRQIIEQLSSGFFSPKQPDLFKDIVNMLMHHDRFKVFADYE
EYVKCQERVSALYKNPREWTRMVIRNIATSGKFSSDRTIAQYAREIWGVE
PSRQRLPAP
3D structure
PDB1ww3 Crystallographic studies on two bioisosteric analogues, N-acetyl-beta-d-glucopyranosylamine and N-trifluoroacetyl-beta-d-glucopyranosylamine, potent inhibitors of muscle glycogen phosphorylase
ChainA
Resolution1.8 Å
3D
structure
Catalytic site residues are labeled in the structure
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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.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 NTF A L136 N284 H377 T378 N484 E672 S674 G675 L125 N265 H349 T350 N456 E644 S646 G647 MOAD: Ki=75uM
BindingDB: Ki=81000nM
BS02 PLP A G134 K568 Y648 R649 V650 G675 T676 G677 K680 G123 K540 Y620 R621 V622 G647 T648 G649 K652
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:1ww3, PDBe:1ww3, PDBj:1ww3
PDBsum1ww3
PubMed16213146
UniProtP00489|PYGM_RABIT Glycogen phosphorylase, muscle form (Gene Name=PYGM)

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