>1bx9A (A:) observed residues (from ATOM records)
gikvfghpasiatrrvlialheknldfelvhvelkdgehkkepflsrnpfgqvpafedgd
lklfesraitqyiahryenqgtnllqtdsknisqyaimaigmqvedhqfdpvasklafeq
ifksiyglttdeavvaeeeaklakvldvyearlkefkylagetftltdlhhipaiqyllg
tptkklfterprvnewvaeitkrpasekvq