>2d13A (A:) observed residues (from ATOM records)
vgladvavlysggkdsnyalywalksglrvrylvsmvsennveltslqaralgipiikgf
tekekevedlknvleglkvdgivagalasryqkerienvarelglkvytpawekdpyqym
leiiklgfkvvfvavsayglneswlgrelnyknleelkklsekygihiageggefetfvl
dmpffkakividdaekfwdglsgkfiikrahlewk