>4kttF (F:) observed residues (from ATOM records)
vlvtgatgllgravhkefqqnnwhavgcgfrrarpkfeqvnlldsnavhhiihdfqphvi
vhcaaerrpdvvdasgnlakeaaavgafliyissdyvfdgtnppyreedipaplnlygkt
kldgekavlennavlripilygevekleesavtvmfdkvqfsnksanmdhwqqrfpthvk
dvatvcrqlaekrmldpsikgtfhwsgneqmtkyemacaiadafnlpsshlrpiqrprna
qldcskletlggqrtpfrigikeslwpflidkrwrqtvfh