>1apnA (A:) observed residues (from ATOM records)
adtivaveldtypntphigidiksvrskktakwnmqngkvgtahiiynsvdkrlsavvsy
pnadsatvsydvdldnvlpewvrvglsastglyketntilswsftsklksnsthetnalh
fmfnqfskdqkdlilqgdattgtdgnleltrvsgssvgralfyapvhiwessavvasfea
tftflikspdshpadgiaffisnidssipsgstgrllglfpdan