>4a17M (M:) observed residues (from ATOM records)
gfvkvlktkayfkrfqtkyrrrregltdyyarkrliiqdkdkyntpkyrlvaratntrii
aqivyatlkcdrvlcaadsyelkrfgvstglasyaaayatglllarrllkqigldtvyag
qtkvdgayfnvdedqkekkpfkaildaglvrtttgnrvfgvlkgacdgginiphsesrfp
gyvrasdegesskykpedhkarifgkhidaymkhlkgqsneafqkqfskwsktleaakvd
sveklftkvhaeirknpervkstkkndkpkrdhkkfyptkltaaqrkdrvktkfqlalsq