बेखौ गोजा जिबख्रिनि सा बाहागोनि बिगुरनि सायाव मोननो हानाय प्रटीन ( एनटीजेन ) नि मददजों सिनायनो हायो ।
Its recognition is done by the protein ( antigen ) found on the surface of the outer membrane of the red cells .