>2x2gA (A:) observed residues (from ATOM records)
skpqpiaaanwdslselidlfnstsinhdvqcvvastfvhlamtkerlshpkfviaaqna
gnadalaslkdfgvnwivlghserrwyygetneivadkvaaavasgfmviacigetlqer
esgrtavvvltqiaaiakklkkadwakvviayepvwaigtgkvatpqqaqeahalirswv
sskigadvagelrilyggsvngknartlyqqrdvngflaglkpefvdiikatq