>2r7zD (D:) observed residues (from ATOM records)
ststfqtrrrrlkkveeeenaatlqlgqefqlkqinhqgeeeelialnlsearlvikeal
verrrafkrsqkktrekelesidvlleqttggnnkdlkntmqyltnfsrfrdqetvgavi
qllkstglhpfevaqlgslacdtadeaktlipslnnkisddelerilkelsnletly