>1rz1D (D:) observed residues (from ATOM records)
mddrlfrnamgkfatgvtvittelngavhgmtanafmsvslnpklvlvsigekakmleki
qqskkyavnilsqdqkvlsmnfagqlekpvdvqfeelgglpvikdalaqiscqvvnevqa
gdhtlfigevtdikiteqdpllffsgkyhqlaq