Structure of PDB 4gpb Chain A

Receptor sequence
>4gpbA (length=833) Species: 9986 (Oryctolagus cuniculus) [Search protein sequence]
RKQISVRGLAGVENVTELKKNFNRHLHFTLVKDRNVATPRDYYFALAHTV
RDHLVGRWIRTQQHYYEKDPKRIYYLSLEFYMGRTLQNTMVNLALENACD
EATYQLGLDMEELEEIEEDAGLGNGGLGRLAACFLDSMATLGLAAYGYGI
RYEFGIFNQKICGGWQMEEADDWLRYGNPWEKARPEFTLPVHFYGRVEHT
SQGAKWVDTQVVLAMPYDTPVPGYRNNVVNTMRLWSAKAPNDFNLKDFNV
GGYIQAVLDRNLAENISRVLYPNDNFFEGKELRLKQEYFVVAATLQDIIR
RFKSSKFGCRDPVRTNFDAFPDKVAIQLNDTHPSLAIPELMRVLVDLERL
DWDKAWEVTVKTCAYTNHTVIPEALERWPVHLLETLLPRHLQIIYEINQR
FLNRVAAAFPGDVDRLRRMSLVEEGAVKRINMAHLCIAGSHAVNGVARIH
SEILKKTIFKDFYELEPHKFQNKTNGITPRRWLVLCNPGLAEIIAERIGE
EYISDLDQLRKLLSYVDDEAFIRDVAKVKQENKLKFAAYLEREYKVHINP
NSLFDVQVKRIHEYKRQLLNCLHVITLYNRIKKEPNKFVVPRTVMIGGKA
APGYHMAKMIIKLITAIGDVVNHDPVVGDRLRVIFLENYRVSLAEKVIPA
ADLSEQISTAGTEASGTGNMKFMLNGALTIGTMDGANVEMAEEAGEENFF
IFGMRVEDVDRLDQRGYNAQEYYDRIPELRQIIEQLSSGFFSPKQPDLFK
DIVNMLMHHDRFKVFADYEEYVKCQERVSALYKNPREWTRMVIRNIATSG
KFSSDRTIAQYAREIWGVEPSRQRLPAPDEKIP
3D structure
PDB4gpb Comparison of the binding of glucose and glucose 1-phosphate derivatives to T-state glycogen phosphorylase b.
ChainA
Resolution2.3 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) H368 K559 R560 K565 T667 K671
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 GFP A G135 L136 N284 H377 N484 E672 A673 S674 G675 G126 L127 N275 H368 N475 E663 A664 S665 G666
BS02 GFP A R193 F196 R309 R310 R184 F187 R300 R301
BS03 PLP A K568 Y648 R649 V650 G675 K680 K559 Y639 R640 V641 G666 K671
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:4gpb, PDBe:4gpb, PDBj:4gpb
PDBsum4gpb
PubMed2125493
UniProtP00489|PYGM_RABIT Glycogen phosphorylase, muscle form (Gene Name=PYGM)

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