>3tnlB (B:) SEQRES residues mhhhhhhssgvdlgtenlyfqsnamtnkiteritghteligliatpirhslsptmhneaf aklgldyvylafevgdkelkdvvqgframnlrgwnvsmpnktnihkyldklspaaelvga vntvvnddgvltghitdgtgymralkeaghdiigkkmticgaggaataiciqaaldgvke isifnrkddfyanaektvekinsktdckaqlfdiedheqlrkeiaesviftnatgvgmkp fegetllpsadmlrpelivsdvvykptktrlleiaeeqgcqtlnglgmmlwqgakafeiw thkempvdyikeilf