>1apnB (B:) observed residues (from ATOM records)
adtivaveldtypnsyphigidiksvrskktakwnmqngkvgtahiiynsvdkrlsavvs
ypnadsatvsydvdldnvlpewvrvglsastglyketntilswsftsklksnsthetnal
hfmfnqfskdqkdlilqgdattgtdgnleltrvqgssvgralfyapvhiwessavvasfe
atftflikspdshpadgiaffisnidssipsgstgrllglfpdan