>1d7xA (A:) observed residues (from ATOM records)
frtfpgipkwrkthltyrivnytpdlpkdavdsavekalkvweevtpltfsrlyegeadi
misfavrehgdfypfdgpgnvlahayapgpgingdahfdddeqwtkdttgtnlflvaahe
ighslglfhsantealmyplyhsltdltrfrlsqddingiqslygpppd