>4irnB (B:) observed residues (from ATOM records)
awnsqqiqfrkkviqfaqqslisdlikndkeeifnrdawqkcsefgvhgwpiparyggqe
ldilttayalqglgygckdnglifamnahiwacemplltfgteeqkekylpllcrggwia
shaatepqagsdiyslkttaqkdgdkyilngykhyvtngtiadlfiifatidpslgkegl
ttfmiekdtpglilskpiskmgmrtaevpelrlencevsaanrlgeegtglaifnhsmew
ergfilaaavgtmerlleqsiryarshkqfgqaigkfqlvanklvemklrlenakaylyk
vawmkenkqmalleasmanlyiseawvqscleaieihgaygyltntelerelrdaiaskf
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