>3tozA (A:) observed residues (from ATOM records)
mtnkiteritghteligliatpirhslsptmhneafaklgldyvylafevgdkelkdvvq
gframnlrgwnvsmpnktnihkyldklspaaelvgavntvvnddgvltghitdgtgymra
lkeaghdiigkkmticgaggaataiciqaaldgvkeisifnrkddfyanaektvekinsk
tdckaqlfdiedheqlrkeiaesviftnatgvgmkpfegetllpsadmlrpelivsdvvy
kptktrlleiaeeqgcqtlnglgmmlwqgakafeiwthkempvdyikeilf