Signal regulatory protein beta 1 ALASAAPLLIAFLLGPKVLLVVGVSVIYVYWKQKA ALAPTAPLLVALLLGPKLLLVVGVSAIYICWKQKA EAALAPTAPLLVALLLGPKLLLVVGVSAIYICWKQKA EAALAPTAPLLVALLLGPKLLLVVGVSAIYICWKQKA RKGSPDHVEF KSGAGTELSV REAALAPTAP LLVALLLGPK LLLVVGVSAI YICWKQKA