>1bkaA (A:) observed residues (from ATOM records)
rsvqwcavsqpeatkcfqwqrnmrkvrgppvscikrdspiqciqaiaenradavtldggf
iyeaglapyklrpvaaevygterqprthyyavavvkkggsfqlnelqglkschtglrrta
gwnvpigtlrpflnwtgppepieaavarffsascvpgadkgqfpnlcrlcagtgenkcaf
ssqepyfsysgafkclrdgagdvafirestvfedlsdeaerdeyellcpdntrkpvdkfk
dchlarvpshavvarsvngkedaiwnllrqaqekfgkdkspkfqlfgspsgqkdllfkds
aigfsrvppridsglylgsgyftaiqnlrkseeevaarrarvvwcavgeqelrkcnqwsg
lsegsvtcssasttedcialvlkgeadamsldggyvytagkcglvpvlaenyksqqssdp
dpncvdrpvegylavavvrrsdtsltwnsvkgkkschtavdrtagwnipmgllfnqtgsc
kfdeyfsqscapgsdprsnlcalcigdeqgenkcvpnsneryygytgafrclaenagdva
fvkdvtvlqntdgnnneawakdlkladfallcldgkrkpvtearschlamapnhavvsrm
dkverlkqvllhqqakfgrngsdcpdkfclfqsetknllfndnteclarlhgkttyekyl
gpqyvagitnlkkcstsplleaceflrk