>3tibA (A:) observed residues (from ATOM records)
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nkhsndtvhdriphrtllmnelgvpfhlgtrqvciawsssschdgkawlhvcitgddkna
tasfiydgrlvdsigswsqnilrtqesecvcingtctvvmtdgsasgradtrilfieegk
ivhisplsgsaqhieecscyprypgvrcicrdnwkgsnrpvvdinmedysidssyvcsgl
vgdtprnddsssnsncrnpnnergtqgvkgwafdngndlwmgrtiskesrsgyetfkvig
gwstpnsksqvnrqvivdnnnwsgysgifsvegkscinrcfyvelirgrpqetrvwwtsn
sivvfcgtsgtygtgswpdganinfmpi