>2r40A (A:) observed residues (from ATOM records)
qelsierllemeslvadpseefqflrvgpdsnvppkfrapvsslcqignkqiaalvvwar
diphfsqlemedqillikgswnelllfaiawrsmefltttsppqlmclmpgmtlhrnsal
qagvgqifdrvlselslkmrtlrvdqaeyvalkaiillnpdvkglknrqevevlrekmfl
cldeycrrsrsseegrfaalllrlpalrsislksfehlfffhlvadtsiagyirdalr