>1k9aC (C:) observed residues (from ATOM records)
aswpsgteciakynfhgtaeqdlpfckgdvltivavtkdpnwykaknkvgregiipanyv
qkregvkagtklslmpwfhgkitreqaerllyppetglflvrestnypgdytlcvscegk
vehyrimyhasklsideevyfenlmqlvehyttdadglctrlikpkvmegtvaaqdefyr
sgwalnmkelkllqtigkgefgdvmlgdyrgnkvavkcikndataqaflaeasvmtqlrh
snlvqllgviveekgglyivteymakgslvdylrsrgrsvlggdcllkfsldvceameyl
egnnfvhrdlaarnvlvsednvakvsdfgltkeaslpvkwtapealrekkfstksdvwsf
gillweiysfgrvpypriplkdvvprvekgykmdapdgcppavydvmkncwhldaatrpt
flqlreqlehirthelhl