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.
