>gi|219842296 brain-derived neurotrophic factor isoform d preproprotein [Homo sapiens] MLCAISLCARVRKLRSAGRCGKFHQVRRVMTILFLTMVISYFGCMKAAPM KEANIRGQGGLAYPGVRTHGTLESVNGPKAGSRGLTSLADTFEHVIEELL DEDQKVRPNEENNKDADLYTSRVMLSSQVPLEPPLLFLLEEYKNYLDAAN MSMRVRRHSDPARRGELSVCDSISEWVTAADKKTAVDMSGGTVTVLEKVP VSKGQLKQYFYETKCNPMGYTKEGCRGIDKRHWNSQCRTTQSYVRALTMD SKKRIGWRFIRIDTSCVCTLTIKRGR