CATH Classification

Domain Context

CATH Clusters

Superfamily Trypsin-like serine proteases
Functional Family Prothrombin

Enzyme Information

3.4.21.5
Thrombin.
based on mapping to UniProt P00734
Selective cleavage of Arg-|-Gly bonds in fibrinogen to form fibrin and release fibrinopeptides A and B.
-!- More selective than trypsin and plasmin. -!- Belongs to peptidase family S1. -!- Formerly EC 3.4.4.13.

UniProtKB Entries (2)

P00734
THRB_HUMAN
Homo sapiens
Prothrombin
P28504
HIR2_HIRME
Hirudo medicinalis
Hirudin-2

PDB Structure

PDB 1TWX
External Links
Method X-RAY DIFFRACTION
Organism Cricetulus
Primary Citation
Crystal structure of the thrombin mutant D221A/D222K: the Asp222:Arg187 ion-pair stabilizes the fast form
Pineda, A.O., Zhang, E., Guinto, E.R., Savvides, S.N., Tulinsky, A., Di Cera, E.
Biophys.Chem.
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