>sp|P02664|CS2LB_MOUSE Alpha-S2-casein-like B OS=Mus musculus GN=Csn1s2b
MKFIILTCLLAVALAKQRMEQYISSEESMDNSQENFKQNMDVAFFPSQETVENIYIPQME
SVEAPMKVSDIISQQQYNQKMMDMSVSAREKTVMTEESKNIQDYMNKMKRYSKITWPQFV
KLLHQYQKTMTPWSYYPSTPSQV