>2yb0B (B:) observed residues (from ATOM records)
krarsanipgailhslaelqdglnamidpswravrsldnwalaitmestelldsypwkww
knlnatpdlanvrielvdifhfslsgamqmrstpddeipaaslkplkevmttflpakect
sdpygfvffpltdtqnaiasfrniiqlanayrfdviieciiyaaedlgfnlvayyiakht
lncirqlsgykdgsyvkvnngvednsllhncikdvsldevldadkyvqawnsimanvyea
fqikesdrkdaerwfalakenrl