Structure of PDB 1h5u Chain A

Receptor sequence
>1h5uA (length=811) Species: 9986 (Oryctolagus cuniculus) [Search protein sequence]
ISVRGLAGVENVTELKKNFNRHLHFTLVKDRNVATPRDYYFALAHTVRDH
LVGRWIRTQQHYYEKDPKRIYYLSLEFYMGRTLQNTMVNLALENACDEAT
YQLGLDMEELEEIEEDAGLGNGGLGRLAACFLDSMATLGLAAYGYGIRYE
FGIFNQKICGGWQMEEADDWLRYGNPWEKARPEFTLPVHFYGRVEHTSQG
AKWVDTQVVLAMPYDTPVPGYRNNVVNTMRLWSAKAPNDFNLGGYIQAVL
DRNLAENISRVLYPNDNFFEGKELRLKQEYFVVAATLQDIIRRFKSSTNF
DAFPDKVAIQLNDTHPSLAIPELMRVLVDLERLDWDKAWEVTVKTCAYTN
HTVIPEALERWPVHLLETLLPRHLQIIYEINQRFLNRVAAAFPGDVDRLR
RMSLVEEGAVKRINMAHLCIAGSHAVNGVARIHSEILKKTIFKDFYELEP
HKFQNKTNGITPRRWLVLCNPGLAEIIAERIGEEYISDLDQLRKLLSYVD
DEAFIRDVAKVKQENKLKFAAYLEREYKVHINPNSLFDVQVKRIHEYKRQ
LLNCLHVITLYNRIKKEPNKFVVPRTVMIGGKAAPGYHMAKMIIKLITAI
GDVVNHDPVVGDRLRVIFLENYRVSLAEKVIPAADLSEQISTAGTEASGT
GNMKFMLNGALTIGTMDGANVEMAEEAGEENFFIFGMRVEDVDRLDQRGY
NAQEYYDRIPELRQIIEQLSSGFFSPKQPDLFKDIVNMLMHHDRFKVFAD
YEEYVKCQERVSALYKNPREWTRMVIRNIATSGKFSSDRTIAQYAREIWG
VEPSRQRLPAP
3D structure
PDB1h5u The 1.76 A Resolution Crystal Structure of Glycogen Phosphorylase B Complexed with Glucose, and Cp320626, a Potential Antidiabetic Drug
ChainA
Resolution1.76 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) H351 K542 R543 K548 T650 K654
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 CHI A R60 V64 W67 W189 E190 K191 R48 V52 W55 W177 E178 K179 MOAD: ic50=178nM
PDBbind-CN: -logKd/Ki=6.75,IC50=178nM
BS02 GLC A G135 L136 H377 N484 E672 A673 G675 G123 L124 H351 N458 E646 A647 G649
BS03 PLP A G134 K568 Y648 R649 V650 G675 T676 G677 K680 G122 K542 Y622 R623 V624 G649 T650 G651 K654
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:1h5u, PDBe:1h5u, PDBj:1h5u
PDBsum1h5u
PubMed11886794
UniProtP00489|PYGM_RABIT Glycogen phosphorylase, muscle form (Gene Name=PYGM)

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