Protein
Plasma protease C1 inhibitor
Organism
Rattus norvegicus
Function
Activation of the C1 complex is under control of the C1-inhibitor. It forms a proteolytically inactive stoichiometric complex with the C1r or C1s proteases. May play a potentially crucial role in regulating important physiological pathways including complement activation, blood coagulation, fibrinolysis and the generation of kinins. Very efficient inhibitor of FXIIa. Inhibits chymotrypsin and kallikrein (By similarity).
Similarity
Belongs to the serpin family.
Sequence
MASKLTPLTLLLLLLAGDRAFSDSEVTSHSSQDPLVVQEGSRDSVPERDGSRSPIEHTGQSSTWPTTSGSTKISNDTMDQVANESFIQHVQPAAQLPEDSPSQSPVNSSSPPSTASAPPTQAPTEPLCPEPLAWCSDSDRDSSEATLSEALTDFSVKLYHAFSATKKAETNMAFSPFSIASLLTQVLLGAGDSTKSNLEDILSYPKDFACVHQTLKAFSSKGVTSVSQIFHSPDLAIRDTYVNASLSLYGSSPRVLGPDGDANLKLINTWVAENTNHKINELLDSLPSDTRLVLLNAVYLSAKWKKTFEQKKMMASFLYKNSMIKVPMLSSKKYPLALFNDQTLKAKVGQLQLSHNLSFVIMVPQSPTHQLEDMEKALNPTVFKAILKKLELSKFQPTYVMMPRIKVKSSQDMLSIMEKLEFFDFTYDLNLCGLTEDPDLQVSSMKHETVLELTETGVEAAAASTISVARNLLIFEVQQPFLFLLWDQRHKFPVFMGRVYDPRA