Structure of PDB 6y55 Chain A

Receptor sequence
>6y55A (length=809) Species: 9986 (Oryctolagus cuniculus) [Search protein sequence]
QISVRGLAGVENVTELKKNFNRHLHFTLVKDRNVATPRDYYFALAHTVRD
HLVGRWIRTQQHYYEKDPKRIYYLSLEFYMGRTLQNTMVNLALENACDEA
TYQLGLDMEELEEIEEDAGLGNGGLGRLAACFLDSMATLGLAAYGYGIRY
EFGIFNQKICGGWQMEEADDWLRYGNPWEKARPEFTLPVHFYGRVEHTSQ
GAKWVDTQVVLAMPYDTPVPGYRNNVVNTMRLWSAKAPNDFNLGYIQAVL
DRNLAENISRVLYPNDNFFEGKELRLKQEYFVVAATLQDIIRRFKSSNFD
AFPDKVAIQLNDTHPSLAIPELMRVLVDLERLDWDKAWEVTVKTCAYTNH
TVLPEALERWPVHLLETLLPRHLQIIYEINQRFLNRVAAAFPGDVDRLRR
MSLVEEGAVKRINMAHLCIAGSHAVNGVARIHSEILKKTIFKDFYELEPH
KFQNKTNGITPRRWLVLCNPGLAEIIAERIGEEYISDLDQLRKLLSYVDD
EAFIRDVAKVKQENKLKFAAYLEREYKVHINPNSLFDVQVKRIHEYKRQL
LNCLHVITLYNRIKKEPNKFVVPRTVMIGGKAAPGYHMAKMIIKLITAIG
DVVNHDPVVGDRLRVIFLENYRVSLAEKVIPAADLSEQISTAGTEASGTG
NMKFMLNGALTIGTMDGANVEMAEEAGEENFFIFGMRVEDVDRLDQRGYN
AQEYYDRIPELRQIIEQLSSGFFSPKQPDLFKDIVNMLMHHDRFKVFADY
EEYVKCQERVSALYKNPREWTRMVIRNIATSGKFSSDRTIAQYAREIWGV
EPSRQRLPA
3D structure
PDB6y55 Synthetic flavonoid derivatives targeting the glycogen phosphorylase inhibitor site: QM/MM-PBSA motivated synthesis of substituted 5,7-dihydroxyflavones, crystallography, in vitro kinetics and ex-vivo cellular experiments reveal novel potent inhibitors.
ChainA
Resolution2.38 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) H350 K541 R542 K547 T649 K653
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 O9Q A N284 F285 E382 A610 G612 Y613 R770 N267 F268 E355 A583 G585 Y586 R743 MOAD: Ki=2.23uM
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:6y55, PDBe:6y55, PDBj:6y55
PDBsum6y55
PubMed32771768
UniProtP00489|PYGM_RABIT Glycogen phosphorylase, muscle form (Gene Name=PYGM)

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