Structure of PDB 1abb Chain A

Receptor sequence
>1abbA (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.
ChainA
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 SO4 A S14 R16 R69 S5 R7 R60
BS02 PDP A R138 W491 K568 R569 K574 V650 K680 R129 W477 K554 R555 K560 V636 K666
BS03 IMP A W67 Q71 Y75 R309 R310 K315 W58 Q62 Y66 R295 R296 K301
BS04 IMP A D42 N44 V45 D33 N35 V36
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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