Structure of PDB 4ctn Chain A

Receptor sequence
>4ctnA (length=807) Species: 9986 (Oryctolagus cuniculus) [Search protein sequence]
QISVRGLAGVENVTELKKNFNRHLHFTLVKDRNVATPRDYYFALAHTVRD
HLVGRWIRTQQHYYEKDPKRIYYLSLEFYMGRTLQNTMVNLALENACDEA
TYQLGLDMEELEEIEEDAGLGNGGLGRLAACFLDSMATLGLAAYGYGIRY
EFGIFNQKICGGWQMEEADDWLRYGNPWEKARPEFTLPVHFYGRVEHTSQ
GAKWVDTQVVLAMPYDTPVPGYRNNVVNTMRLWSAKAPNDGYIQAVLDRN
LAENISRVLYPNDNFFEGKELRLKQEYFVVAATLQDIIRRFKSSTNFDAF
PDKVAIQLNDTHPSLAIPELMRVLVDLERLDWDKAWEVTVKTCAYTNHTV
LPEALERWPVHLLETLLPRHLQIIYEINQRFLNRVAAAFPGDVDRLRRMS
LVEEGAVKRINMAHLCIAGSHAVNGVARIHSEILKKTIFKDFYELEPHKF
QNKTNGITPRRWLVLCNPGLAEIIAERIGEEYISDLDQLRKLLSYVDDEA
FIRDVAKVKQENKLKFAAYLEREYKVHINPNSLFDVQVKRIHEYKRQLLN
CLHVITLYNRIKKEPNKFVVPRTVMIGGKAAPGYHMAKMIIKLITAIGDV
VNHDPVVGDRLRVIFLENYRVSLAEKVIPAADLSEQISTAGTEASGTGNM
KFMLNGALTIGTMDGANVEMAEEAGEENFFIFGMRVEDVDRLDQRGYNAQ
EYYDRIPELRQIIEQLSSGFFSPKQPDLFKDIVNMLMHHDRFKVFADYEE
YVKCQERVSALYKNPREWTRMVIRNIATSGKFSSDRTIAQYAREIWGVEP
SRQRLPA
3D structure
PDB4ctn Glucopyranosylidene-Spiro-Iminothiazolidinone, a New Bicyclic Ring System: Synthesis, Derivatization, and Evaluation for Inhibition of Glycogen Phosphorylase by Enzyme Kinetic and Crystallographic Methods.
ChainA
Resolution2.1 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) H348 K539 R540 K545 T647 K651
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 M8P A G135 L136 N282 D283 N284 R292 D339 H341 H377 T378 N484 E672 S674 G675 G124 L125 N262 D263 N264 R272 D310 H312 H348 T349 N455 E643 S645 G646 MOAD: Ki=10uM
BS02 PLP A G134 K568 Y648 R649 V650 G675 T676 G677 K680 G123 K539 Y619 R620 V621 G646 T647 G648 K651
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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