>sp|P04653|CASA1_SHEEP Alpha-S1-casein OS=Ovis aries OX=9940 GN=CSN1S1 PE=1 SV=3 MKLLILTCLVAVALARPKHPIKHQGLSSEVLNENLLRFVVAPFPEVFRKENINELSKDIG SESIEDQAMEDAKQMKAGSSSSSEEIVPNSAEQKYIQKEDVPSERYLGYLEQLLRLKKYN VPQLEIVPKSAEEQLHSMKEGNPAHQKQPMIAVNQELAYFYPQLFRQFYQLDAYPSGAWY YLPLGTQYTDAPSFSDIPNPIGSENSGKITMPLW