>sp|P86272|CASA1_EQUAS Alpha-S1-casein OS=Equus asinus GN=CSN1S1 RPKLPHRHPEIIQNEQDSREKVLKERKFPSFALHTPREEYINELNRQRELLKEKQKDEHK EYLIEDPEQQESSSTSSSEEVVPINTEQKRIPREDMLYQHTLEQLRRLSKYNQLQLQAIY AQEQLIRMKENSQRKPMRVVNQEQAYFYLEPFQPSYQLDVYPYAAWFHPAQIMQHVAYSP FHDTAKLIASENSEKTDIIPEW