Structure of PDB 1ab9 Chain B

Receptor sequence
>1ab9B (length=131) Species: 9913 (Bos taurus) [Search protein sequence]
IVNGEEAVPGSWPWQVSLQDKTGFHFCGGSLINENWVVTAAHCGVTTSDV
VVAGEFDQGSSSEKIQKLKIAKVFKNSKYNSLTINNDITLLKLSTAASFS
QTVSAVCLPSASDDFAAGTTCVTTGWGLTRY
3D structure
PDB1ab9 X-ray crystal structure of a dipeptide-chymotrypsin complex in an inhibitory interaction.
ChainB
Resolution1.6 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 D102
Catalytic site (residue number reindexed from 1) H42 D87
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 peptide B S26 W27 W29 Q116 A120 C122 S11 W12 W14 Q101 A105 C107
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:1ab9, PDBe:1ab9, PDBj:1ab9
PDBsum1ab9
PubMed9692896
UniProtP00766|CTRA_BOVIN Chymotrypsinogen A

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