There are provided proteins having the amino acid sequences represented by
SEQ ID NOS: 2, 4, 6, 8 and 10; proteins having amino acid sequences derived from
these amino acid sequences by deletion, substitution or addition of one to several
amino acids; and nucleotide sequences encoding the same; transgenic non-human animals
with altered expression level of a serine protease BSSP2; an antibody against BSSP2;
and a method for detecting BSSP2 in a specimen by using the antibody.
