CATH Classification

Domain Context

CATH Clusters

Superfamily Trypsin-like serine proteases
Functional Family Transmembrane protease serine

Enzyme Information

3.4.21.27
Coagulation factor XIa.
based on mapping to UniProt P03951
Selective cleavage of Arg-|-Ala and Arg-|-Val bonds in factor IX to form factor IXa.
-!- The proenzyme XI is activated by EC 3.4.21.38. -!- Belongs to peptidase family S1.

UniProtKB Entries (1)

P03951
FA11_HUMAN
Homo sapiens
Coagulation factor XI

PDB Structure

PDB 1ZHM
External Links
Method X-RAY DIFFRACTION
Organism Pichia
Primary Citation
Mutation of surface residues to promote crystallization of activated factor XI as a complex with benzamidine: an essential step for the iterative structure-based design of factor XI inhibitors.
Jin, L., Pandey, P., Babine, R.E., Weaver, D.T., Abdel-Meguid, S.S., Strickler, J.E.
Acta Crystallogr.,Sect.D