>sp|Q3C2E2|CD20_CANLF B-lymphocyte antigen CD20 OS=Canis lupus familiaris GN=MS4A1
MTTPRNSMSGTLPVDPMKSPTAMYPVQKIIPKRMPSVVGPTQNFFMRESKTLGAVQIMNG
LFHIALGSLLMIHTDVCAPICITMWYPLWGGIMFIISGSLLAAADKNPRKSLVKGKMIMN
SLSLFAAISGIIFLIMDIFNITISHFFKMENLNLIKAPMPYVDIHNCDPANPSEKNSLSI
QYCGSIRSVFLGVFAVMLIFAFFQKLVTAGIVENEWKKLCSKPKSDVVVLLAAEEKKEQP
IETTEEMVELTEIASQPKKEEDIEIIPVQEEEGELEINFAEPPQEQESSPIENDSIP