>4s17A (A:) observed residues (from ATOM records)
letkadaealinkegieyvsvrftdligvqqhftvpaseflkdaftdgmpfdgssvegfq
sdmklvpdvstafidpfrkhktldvafsivdpltdepysrdprqvagkaeaylkstgiad
tasfapeaeffifdkvrfensmqrsfyevdsieapwnsgidteddgtpniafknrvkkgy
fpvppidhtqdlrddmvanlqkvglilershhevagagqqeinyrfnslqhagddlmkyk
yvvhetaalagkaatfmpkpiagdngtgmhchqslwkdgkplfydeknygglsdlarwyi
gglikhsssvlaftnpslnsyhrlvpgapvnlvysarnrsaairippaakriefrapdps
cnpflafsaqlmagldgilnhieppapvagikqvpsslaeamdaleedhdfltagdvftd
dlidtwisikrgeidqarlaptpleyelyfhi