MBP GI:4505123 myelin basic protein isoform 2 1 masqkrpsqr hgskylatas tmdharhgfl prhrdtgild sigrffggdr 50 51 gapkrgsgkv pwlkpgrspl psharsqpgl cnmykdshhp artahygslp 100 101 qkshgrtqde npvvhffkni vtprtpppsq gkgaegqrpg fgyggrasdy 150 151 ksahkgfkgv daqgtlskif klggrdsrsg spmarr