>5zb7B (B:) observed residues (from ATOM records)
advqqklaelerqsggrlgvalintadnsqilyraderfpmcstskvmaaaavlkqsetq
kqllnqpveikpadlvnynpiaekhvngtmtlaelsaaalqysdntamnkliaqlggpgg
vtafaraigdetfrldrteptlntaipgdprdtttpramaqtlrqltlghalgetqraql
vtwlkgnttgaasiraglpaswvvgdktgsggygttndiaviwpkdraplilvtyftqpq
pkaesrrdvlasaakivtdg