>gi|25306235 brain-derived neurotrophic factor isoform b preproprotein [Homo sapiens] MFHQVRRVMTILFLTMVISYFGCMKAAPMKEANIRGQGGLAYPGVRTHGT LESVNGPKAGSRGLTSLADTFEHVIEELLDEDQKVRPNEENNKDADLYTS RVMLSSQVPLEPPLLFLLEEYKNYLDAANMSMRVRRHSDPARRGELSVCD SISEWVTAADKKTAVDMSGGTVTVLEKVPVSKGQLKQYFYETKCNPMGYT KEGCRGIDKRHWNSQCRTTQSYVRALTMDSKKRIGWRFIRIDTSCVCTLT IKRGR