>2atzA (A:) observed residues (from ATOM records)
emelklikidtshyfekkpglgervdyagrcfynkfqrvnamltssliqkhlkreieiah
nlilrndkvenivfdyngrnperfyhkaqlllreegfmnftayntktpghlhlyvhkght
elgegerlvktlsmklaqglpkewkvfpsnewpkefnilalpyevfakergsswak