>sp|P61571|REC21_HUMAN Endogenous retrovirus group K member 21 Rec protein OS=Homo sapiens GN=ERVK-21 MHPSEMQRKAPPRRRRHRNRAPLTHKMNKMVTSEQMKLPSTKKAEPPTWAQLKKLTQLAT KYLENTKVTQTPESMLLAALMIVSMVSAGVPNSSEETATIENGP