Structure of PDB 3veq Chain B

Receptor sequence
>3veqB (length=223) Species: 9913 (Bos taurus) [Search protein sequence]
IVGGYTCGANTVPYQVSLNSGYHFCGGSLINSQWVVSAAHCYKSGIQVRL
GEDNINVVEGNEQFISASKSIVHPSYNSNTLNNDIMLIKLKSAASLNSRV
ASVSLPTSCASAGTQCLISGWGNTKSSGTSYPDVLKCLKAPILSDSSCKS
AYPGQITSNMFCAGYLEGGKDSCQGDSGGPVVCAGKLQGIVSWGSGCAQK
NKPGVYTKVCNYVSWIKQTIASN
3D structure
PDB3veq Role of remote scaffolding residues in the inhibitory loop pre-organization, flexibility, rigidification and enzyme inhibition of serine protease inhibitors
ChainB
Resolution2.25 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) G190 S192 G193
Catalytic site (residue number reindexed from 1) G175 S177 G178
Enzyme Commision number 3.4.21.4: trypsin.
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 B E67 N69 V72 V73 E77 E52 N54 V57 V58 E62
Gene Ontology
Molecular Function
GO:0004175 endopeptidase activity
GO:0004252 serine-type endopeptidase activity
GO:0005515 protein binding
GO:0008236 serine-type peptidase activity
GO:0046872 metal ion binding
GO:0097655 serpin family protein binding
Biological Process
GO:0006508 proteolysis
GO:0007586 digestion
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0097180 serine protease inhibitor complex

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Biological Process
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Cellular Component
External links
PDB RCSB:3veq, PDBe:3veq, PDBj:3veq
PDBsum3veq
PubMed22709512
UniProtP00760|TRY1_BOVIN Serine protease 1 (Gene Name=PRSS1)

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