>2x1sB (B:) observed residues (from ATOM records)
skpqpiaaanwksspdslselidlfnstsinhdvqcvvastfvhlamtkerlshpkfvia
aqnagnadalaslkdfgvnwivlghserrwyygetneivadkvaaavasgfmviaciget
lqeresgrtavvvltqiaaiakklkkadwakvviayepvwaigtgkvatpqqaqeahali
rswvsskigadvagelrilyggsvngknartlyqqrdvngflaglkpefvdiikatq