>3qbqC (C:) observed residues (from ATOM records)
aqpfahltinaasipsgshkvtlsswyhdrgwakisnmtlsngklrvnqdgfyylyanic
frhhetsgsvptdylqlmvyvvktsikipsshnlmkggstknwsgnsefhfysinvggff
klrageeisiqvsnpslldpdqdatyfgafkvqdi