>2nn1B (B:) observed residues (from ATOM records)
dwgyddkngpeqwsklypiangnnqspvdiktsetkhdtslkpisvsynpatakeiinvg
hsfhvnfedndnrsvlkggpfsdsyrlfqfhfhwgstnehgsehtvdgvkysaelhvahw
nsakysslaeaaskadglavigvlmkvgeanpklqkvldalqaiktkgkrapftnfdpst
llpssldfwtypgslthpplyesvtwiickesisvsseqlaqfrsllsnvegdnavpmqh
nnrptqplkgrtvrasf