>2f9yB (B:) observed residues (from ATOM records)
vwtkcdscgqvlyraelernlevcpkcdhhmrmtarnrlhslldegslvelgselepkdv
lkfrdskkykqketgekdalvvmkgtlygmpvvaaafefafmggsmgsvvgarfvraveq
aledncplicfsasggarmqealmslmqmaktsaalakmqerglpyisvltdptmggvsa
sfamlgdlniaepkaligfagprvieqtvreklppgfqrsefliekgaidmivrrpemrl
klasilaklmnlpapnp