>5tr7B (B:) observed residues (from ATOM records) apqiaakgyvlmdyhsgkvlaekemdtklspasltkmmtsyvigqevkrgnislnddvvi sknawaknfpdsskmfvevgttvkvsdlnrgiiiqsgndacvamaehvagtedafvdlmn awasslgmknshftnshglddpnlystpydlallgqalirdvpeeyaiyseqkftyngit qynrngllwdksmnvdgiktghtsgagynlvssategnmrlvavvmgtdnenarkaeskk llsygfrff