PTGFRN, ID (PTGFRN, CD9P1, EWIF, FPRP, KIAA1436, Prostaglandin F2 receptor negative regulator, CD9 partner 1, Glu-Trp-Ile EWI motif-containing protein F, Prostaglandin F2-alpha receptor regulatory protein, Prostaglandin F2-alpha receptor-associated protei Antibody