>1k9aF (F:) observed residues (from ATOM records)
aswpsgteciakynfhgtaeqdlpfckgdvltivavtkdpnwykaknkvgregiipanyv
qkregvkagtklslmpwfhgkitreqaerllyppetglflvrestnypgdytlcvscegk
vehyrimyhasklsideevyfenlmqlvehyttdadglctrlikpkvmegtvaaqdefyr
sgwalnmkelkllqtigkgefgdvmlgdyrgnkvavkcikndataqaflaeasvmtqlrh
snlvqllgviveekgglyivteymakgslvdylrsrgrsvlggdcllkfsldvceameyl
egnnfvhrdlaarnvlvsednvakvsdfgltkeapvkwtapealrekkfstksdvwsfgi
llweiysfgrvpypriplkdvvprvekgykmdapdgcppavydvmkncwhldaatrptfl
qlreqlehirthelhl