>3urfA (A:) observed residues (from ATOM records)
aqpfahltinatdipsgshkvslsswyhdrgwakisnmtfsngklivnqdgfyylyanic
frhhetsgdlateylqlmvyvtktsikipsshtlmkggstkywsgnsefhfysinvggff
klrsgeeisievsnpslldpdqdatyfgafkvrdid