>6j25B (B:) observed residues (from ATOM records)
advqqklaelerqsggrlgvalintadnsqilyraderfpmcstskvmaaaavlkqsetq
kqllnqpveikpadlvnynpiaekhvngtmtlaelsaaalqytdntamnkliaqlggpgg
vtafaraigdetfrldrteptlntaipgdprdtttpramaqtlrqltlghalgetqraql
vtwlkgnttgaasiraglpaswvvgdktgsggygttndiaviwpkdraplilvtyftqpq
pkaesrrdvlasaakivtdg