>sp|Q91439|MBP_SQUAC Myelin basic protein OS=Squalus acanthias GN=MBP MASATTSDHAKQAGGAHSRQRDSGLLDQLGKLFGQEGSRKVPEKGKEPATRSVLMAPTTH KAHQGARRQTDDSPVVHFFKNMMSPKKAPVQQKAKSGASRAITKFIWGTDGQRAHYGAAG SSKSKDGFRGRRDGSGTLSSFFKMGKKGEGSPARR