>6lz9B (B:) observed residues (from ATOM records)
vvngiptrtnigwmvslryrnkhicggslikeswvltarqcfpsrdlkdyeawlgihdvh
grgdekskqvlqvsqlvygpegsdlvlmklarpavlddfvstidlpnygctipektscsv
ygwgytglinydgllrvahlyimgnekcsqlqeseicagaigsgpcegdyggplvceqhk
mrmvlgvivpgrgcaipnrpgifvrvayyakwihkiiltykvp