MS4A3 GI:73486653 membrane-spanning 4-domains, subfamily A, member 3 isoform b 1 mashevdnae lgsasahgtp gseagpeeln tsvyqpidgs pdyqkaklqv 50 51 lgfcssgtls vvagikptrt wiqnsfgmni asatialvgt aflslniavn 100 101 iqslrschss sespdlcnym gsisngmvsl lliltllelc vtistiamwc 150 151 nanccnsree issppnsv