>6l56S (S:) observed residues (from ATOM records)
qtqprqnfhveseaginkqinmelyasyvyqsmymyfdrddvalpsfakyfkhnseeere
haeklmkyqnkrggrivlqdiqkpdldewgspleamqttlaleksvnqalldlhkiadkh
gdaqmmdflegeylkeqvdaieeisdhitnlkrvgtglgeymydketms