>2fbnA (A:) observed residues (from ATOM records) akksiydytdeekvqsafdikeegneffkkneineaivkykealdffihteewddqilld kkknieiscnlnlatcynknkdypkaidhaskvlkidknnvkalyklgvanmyfgfleea kenlykaaslnpnnldirnsyelcvnklkeark