>tr|W5RWE1|W5RWE1_HUMAN Beta-casein OS=Homo sapiens GN=CSN2 MKVLILACLVALALARETIESLSSSEESITEYKQKVEKVKHEDQQQGEDEHQDKIYPSFQ PQPLIYPFVEPIPYGFLPQNILPLAQPAVVLPVPQPEIMEVPKAKDTVYTKGRVMPVLKS PTIPFFDPQIPKLTDLENLHLPLPLLQPLMQQVPQPIPQTLALPPQPLWSVPQPKVLPIP QQVVPYPQRAVPVQALLLNQELLLNPTHQIYPVTQPLAPVHNPISV