computer searches of the national biomedical research foundation protein and nucleic acid sequence data bases using the nh2 terminus of the bovine factor va 94-kilodalton heavy chain , the nh2 terminus of the 74-kilodalton factor va light chain , and an internal 98-residue segment of porcine factor viii revealed that both bovine factor v and porcine factor viii are statistically homologous to human ceruloplasmin .
C0015501
factor va
C0015498
factor v