Immunogen sequence: SQRTHIKTEQ LSPSHYSEQQ QHSPQQIAYS PFNLPHYSPS YPPITRSQYD YTDHQNSSSY YSHAAGQGTG LYSTFTYMNP AQRPMYTPIA DTSGVPSIPQ THSPQHWEQP VYTQLTR. SOX9 has a role in sex determination and differentiation of Sertoli cells. It is involved in chondrogene