>2vvpB (B:) observed residues (from ATOM records) sgmrvylgadhagyelkqriiehlkqtghepidcgalrydadddypafciaaatrtvadp gslgivlggsgngeqiaankvpgarcalawsvqtaalarehnnaqligiggrmhtvaeal aivdafvttpwskaqrhqrridilaeyertheappvp