>2a89B (B:) observed residues (from ATOM records)
sthfdvivvgagsmgmaagyqlakqgvktllvdafdpphtngshhgdtriirhaygegre
yvplalrsqelwyelekethhkiftktgvlvfgpkgesafvaetmeaakehsltvdlleg
deinkrwpgitvpenynaifepnsgvlfsencirayrelaeargakvlthtrvedfdisp
dsvkietangsytadklivsmgawnskllsklnldiplqpyrqvvgffesdeskysndid
fpgfmvevpngiyygfpsfggcglklgyhtfgqkidpdtinrefgvypedesnlraflee
ympgangelkrgavcmytktldehfiidlhpehsnvviaagfsghgfkfssgvgevlsql
altgktehdisifsinrpalkeslq