Structure of PDB 1abb Chain B

Receptor sequence
>1abbB (length=823) Species: 9986 (Oryctolagus cuniculus) [Search protein sequence]
RKQISVRGLAGVENVTELKKNFNRHLHFTLVKDRNVATPRDYYFALAHTV
RDHLVGRWIRTQQHYYEKDPKRIYYLSLEFYMGRTLQNTMVNLALENACD
EATYQLGLDMEELEEIEEDAGLGNGGLGRLAACFLDSMATLGLAAYGYGI
RYEFGIFNQKICGGWQMEEADDWLRYGNPWEKARPEFTLPVHFYGRVEHT
SQGAKWVDTQVVLAMPYDTPVPGYRNNVVNTMRLWSAKAPNDFNLKDFNV
GGYIQAVLDRNLAENISRVLYPEGKELRLKQEYFVVAATLQDIIRRFKSS
KFGCRDPVRTNFDAFPDKVAIQLNDTHPSLAIPELMRVLVDLERLDWDKA
WEVTVKTCAYTNHTVIPEALERWPVHLLETLLPRHLQIIYEINQRFLNRV
AAAFPGDVDRLRRMSLVEEGAVKRINMAHLCIAGSHAVNGVARIHSEILK
KTIFKDFYELEPHKFQNKTNGITPRRWLVLCNPGLAEIIAERIGEEYISD
LDQLRKLLSYVDDEAFIRDVAKVKQENKLKFAAYLEREYKVHINPNSLFD
VQVKRIHEYKRQLLNCLHVITLYNRIKKEPNKFVVPRTVMIGGKAAPGYH
MAKMIIKLITAIGDVVNHDPVVGDRLRVIFLENYRVSLAEKVIPAADLSE
QISTAGTEASGTGNMKFMLNGALTIGTMDGANVEMAEEAGEENFFIFGMR
VEDVDRLDQRGYNAQEYYDRIPELRQIIEQLSSGFFSPKQPDLFKDIVNM
LMHHDRFKVFADYEEYVKCQERVSALYKNPREWTRMVIRNIATSGKFSSD
RTIAQYAREIWGVEPSRQRLPAP
3D structure
PDB1abb Control of phosphorylase b conformation by a modified cofactor: crystallographic studies on R-state glycogen phosphorylase reconstituted with pyridoxal 5'-diphosphate.
ChainB
Resolution2.8 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) H363 K554 R555 K560 T662 K666
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 IMP B D42 N44 V45 D33 N35 V36
BS02 SO4 B K11 S14 R16 R69 K2 S5 R7 R60
BS03 PDP B W491 K568 R569 K574 R649 V650 A653 T676 G677 K680 W477 K554 R555 K560 R635 V636 A639 T662 G663 K666
BS04 IMP B W67 Y75 R309 R310 K315 W58 Y66 R295 R296 K301
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:1abb, PDBe:1abb, PDBj:1abb
PDBsum1abb
PubMed1304390
UniProtP00489|PYGM_RABIT Glycogen phosphorylase, muscle form (Gene Name=PYGM)

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