>sp|Q9GKK3-3|CASB_HORSE Isoform 3 of Beta-casein OS=Equus caballus OX=9796 GN=CSN2
MKILILACLVALALAREKEELNVSSETVESLSSNEPDSSSEESITHINKEKLQKFKHEGQ
QQREPVVPYPQRDTPVQAFLLYQDPRLGPTGELDPATQPIVAVHNPVIV