Immunogen sequence: GQCPLFPFTE RKECPPSCHS DIDCPQTDKC CESRCGFVCA RAWTVKKGFC PRKPLLCTKI DKPKCLQDEE CPLVEKCCSH CGLKCMDPR. This gene encodes a member of the WAP-type four-disulfide core (WFDC) domain family. The WFDC domain, or WAP signature motif, contains