>1bq3D (D:) observed residues (from ATOM records)
pklvlvrhgqsewneknlftgwvdvklsakgqqeaaragellkekkvypdvlytsklsra
iqtanialekadrlwipvnrswrlnerhygdlqgkdkaetlkkfgeekfntyrrsfdvpp
ppidasspfsqkgderykyvdpnvlpeteslalvidrllpywqdviakdllsgktvmiaa
hgnslrglvkhlegisdadiaklniptgiplvfeldenlkpskpsyyldpeaaa