Immunogen sequence: CPLCTCSARP EATPFLVAHT RTRPPSGGER ARRSTPLMSW PWSPSALRLL QRPPEEPAAH ANCHRVALNI SFQELGWERW IVYPPSFIFH YCHGGCGLHI P Positive Samples: Rat testis. The inhibin alpha subunit joins either the beta A or beta B subunit to form a pituitary FSH