>3usn_ (-) SEQRES residues frtfpgipkwrkthltyrivnytpdlpkdavdsavekalkvweevtpltfsrlyegeadi misfavrehgdfypfdgpgnvlahayapgpgingdahfdddeqwtkdttgtnlflvaahe ighslglfhsantealmyplyhsltdltrfrlsqddingiqslygppp