>1k9aE (E:) observed residues (from ATOM records)
aswpsgteciakynfhgtaeqdlpfckgdvltivavtkdpnwykaknkvgregiipanyv
qkregvkagtklslmpwfhgkitreqaerllyppetglflvrestnypgdytlcvscegk
vehyrimyhasklsideevyfenlmqlvehyttdadglctrlikpkvmegtvaaqdefyr
sgwalnmkelkllqtigkgefgdvmlgdyrgnkvavkcikndataqaflaeasvmtqlrh
snlvqllgviveekgglyivteymakgslvdylrsrgrsvlggdcllkfsldvceameyl
egnnfvhrdlaarnvlvsednvakvsdfgltkeasstlpvkwtapealrekkfstksdvw
sfgillweiysfgrvpypriplkdvvprvekgykmdapdgcppavydvmkncwhldaatr
ptflqlreqlehirthelhl