>2ob4A (A:) observed residues (from ATOM records)
sqkalllelkglqeepvegfrvtlvdegdlynwevaifgppntyyeggyfkarlkfpidy
pysppafrfltkmwhpniyetgdvcisilhppvqnvrtillsvisllnepntfspanvda
svmyrkwkeskgkdreytdiirkqvlgtkvdaerdgv