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Structure of human trypsin IV (brain trypsin)

Source organism: Homo sapiens
Biochemical function: serine-type endopeptidase activity
Biological process: proteolysis
Cellular component: not assigned

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EC 3.4.21.4: Trypsin

Reaction catalysed:
Preferential cleavage: Arg-|-, Lys-|-.
Systematic name:
-
Alternative Name(s):
  • Alpha-trypsin
  • Beta-trypsin
  • Cocoonase
  • Parenzyme
  • Parenzymol
  • Pseudotrypsin
  • Sperm receptor hydrolase
  • Tripcellim
  • Tryptar
  • Tryptase
  • Trypure

GO terms

Biochemical function:
Biological process:
Cellular component:
  • not assigned

Sequence family

Pfam Protein family (Pfam)
PF00089
Domain description: Trypsin
Occurring in:
  1. Trypsin-3
The deposited structure of PDB entry 1h4w contains 1 copy of Pfam domain PF00089 (Trypsin) in Trypsin-3. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR001314
Domain description: Peptidase S1A, chymotrypsin family
Occurring in:
  1. Trypsin-3
IPR001254
Domain description: Serine proteases, trypsin domain
Occurring in:
  1. Trypsin-3
IPR043504
Domain description: Peptidase S1, PA clan, chymotrypsin-like fold
Occurring in:
  1. Trypsin-3
IPR018114
Domain description: Serine proteases, trypsin family, histidine active site
Occurring in:
  1. Trypsin-3
IPR009003
Domain description: Peptidase S1, PA clan
Occurring in:
  1. Trypsin-3

Structure domain

CATH CATH domain
2.40.10.10
Class: Mainly Beta
Architecture: Beta Barrel
Topology: Thrombin, subunit H
Homology: Trypsin-like serine proteases
Occurring in:
  1. Trypsin-3
The deposited structure of PDB entry 1h4w contains 2 copies of CATH domain 2.40.10.10 (Thrombin, subunit H) in Trypsin-3. Showing 2 copies in chain A.
SCOP SCOP annotation
50514
Class: All beta proteins
Fold: Trypsin-like serine proteases
Superfamily: Trypsin-like serine proteases
Occurring in:
  1. Trypsin-3
The deposited structure of PDB entry 1h4w contains 1 copy of SCOP domain 50514 (Eukaryotic proteases) in Trypsin-3. Showing 1 copy in chain A.

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