>MT21A_MOUSE
MALVPYEESAAIGLQKFHKPLATFSFANHTIQIRQDWRQLGVAAVVWDAAVVLSMYLEMG
AVELRGCSAVELGAGTGLVGIVAALLGAQVTITDRKVALEFLKSNVEANLPPHIQPKAVV
KELTWGQNLESFSPGEFDLILGADVIYLEDTFTDLLQTLGHLCSNNSVILLACRIRYERD
SNFLTMLERQFTVSKVHYDPEKDVHIYKAQKRNQREDL