UniProt functional annotation for P41361

UniProt code: P41361.

Organism: Bos taurus (Bovine).
Taxonomy: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Laurasiatheria; Artiodactyla; Ruminantia; Pecora; Bovidae; Bovinae; Bos.
 
Function: Most important serine protease inhibitor in plasma that regulates the blood coagulation cascade. AT-III inhibits thrombin, matriptase-3/TMPRSS7, as well as factors IXa, Xa and XIa. Its inhibitory activity is greatly enhanced in the presence of heparin (By similarity). {ECO:0000250}.
 
Subunit: Forms protease inhibiting heterodimer with TMPRSS7. {ECO:0000250}.
Subcellular location: Secreted, extracellular space {ECO:0000250}.
Tissue specificity: Plasma.
Ptm: Phosphorylated by FAM20C in the extracellular medium. {ECO:0000250|UniProtKB:P01008}.
Similarity: Belongs to the serpin family. {ECO:0000305}.

Annotations taken from UniProtKB at the EBI.