CATH Classification

Domain Context

CATH Clusters

Superfamily Plasminogen Kringle 4
Functional Family Urokinase-type plasminogen activator

Enzyme Information

3.4.21.68
T-plasminogen activator.
based on mapping to UniProt P00750
Specific cleavage of Arg-|-Val bond in plasminogen to form plasmin.
-!- From a wide variety of mammalian tissues, especially endothelial cells. -!- Secreted as a single chain precursor which is cleaved to a two-chain form by plasmin. -!- Activity is considerably enhanced by fibrin. -!- Belongs to peptidase family S1. -!- Formerly EC 3.4.21.31 and EC 3.4.99.26.

UniProtKB Entries (1)

P00750
TPA_HUMAN
Homo sapiens
Tissue-type plasminogen activator

PDB Structure

PDB 1PML
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Kringle-kringle interactions in multimer kringle structures.
Padmanabhan, K., Wu, T.P., Ravichandran, K.G., Tulinsky, A.
Protein Sci.