>3q1fB (B:) observed residues (from ATOM records)
avqqklaalekssggrlgvalidtadntqvlyrgderfpmcgtskvmaaaavlkqsetqk
qllnqpveikpadlvnynpiaekhvngtmtlaelsaaalqysdntamnkliaqlggpggv
tafaraigdetfrldrteptlntaipgdprdtttpramaqtlrqltlghalgetqraqlv
twlkgnttgaasiraglptswtagdktgsgdygttndiaviwpqgraplvlvtyftqpqq
naesrrdvlasaariiaegl