>2b7hB (B:) observed residues (from ATOM records)
hltaeekslvsglwakvnvdevggealgrllivypwtqrffdsfgdlstpdsvmsnakvk
ahgkkvlnsfsdglknldnlkgtfaklselhcdklhvdpenfkllgnvlvcvlahhfgke
ftpqvqaayqkvvagvanalahky