>1yg6N (N:) observed residues (from ATOM records)
fdiysrllkervifltgqvedhmanlivaqmlfleaenpekdiylyinspggvitagmsi
ydtmqfikpdvsticmgqaasmgaflltagakgkrfclpnsrvmihqplggyqgqatdie
ihareilkvkgrmnelmalhtgqsleqierdterdrflsapeaveyglvdsilthrn