>3q1fA (A:) observed residues (from ATOM records)
tsavqqklaalekssggrlgvalidtadntqvlyrgderfpmcgtskvmaaaavlkqset
qkqllnqpveikpadlvnynpiaekhvngtmtlaelsaaalqysdntamnkliaqlggpg
gvtafaraigdetfrldrteptlntaipgdprdtttpramaqtlrqltlghalgetqraq
lvtwlkgnttgaasiraglptswtagdktgsgdygttndiaviwpqgraplvlvtyftqp
qqnaesrrdvlasaariiaegl