Structure of PDB 1kdq Chain A

Receptor sequence
>1kdqA (length=130) Species: 10116 (Rattus norvegicus) [Search protein sequence]
VNGEDAIPGSWPWQVSLQDKTGFHFCGGSLISEDWVVTAAHCGVKTSDVV
VAGEFDQGSDEENIQVLKIAQVFKNPKFNMFTVRNDITLLKLATPAQFSE
TVSAVSLPNVDDDFPPGTVCATTGWGKTKY
3D structure
PDB1kdq Three Dimensional Structures of S189D Chymotrypsin and D189S Trypsin Mutants: The Effect of Polarity at Site 189 on a Protease-specific Stabilization of the Substrate-binding Site
ChainA
Resolution2.55 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H57 T98 D102
Catalytic site (residue number reindexed from 1) H41 T82 D86
Enzyme Commision number 3.4.21.1: chymotrypsin.
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 CA A E70 D72 S75 D76 E78 E54 D56 S59 D60 E62
Gene Ontology
Molecular Function
GO:0004252 serine-type endopeptidase activity
Biological Process
GO:0006508 proteolysis

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Molecular Function
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Biological Process
External links
PDB RCSB:1kdq, PDBe:1kdq, PDBj:1kdq
PDBsum1kdq
PubMed12927546
UniProtP07338|CTRB1_RAT Chymotrypsinogen B (Gene Name=Ctrb1)

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