>6l56M (M:) observed residues (from ATOM records)
qtqprqnfhveseaginkqinmelyasyvyqsmymyfdrddvalpsfakyfkhnseeere
haeklmkyqnkrggrivlqdiqkpdldewgspleamqttlaleksvnqalldlhkiadkh
gdaqmmdflegeylkeqvdaieeisdhitnlkrvgtglgeymydketms