Sequence alignment between 3ikt(A) and UniProt seq Q72I39 (REX_THET2):

Q72I39 (REX_THET2): Redox-sensing transcriptional repressor Rex from Thermus thermophilus (strain ATCC BAA-163 / DSM 7039 / HB27)
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         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: -MKVPEAAISRLITYLRILEELEAQGVHRTSSEQLGELAQVTAFQVRKDLSYFGSYGTRGVGYTVPVLKRELRHILGLNRKWGLCIVGMGRLGSALADYPGFGESFELRGFFDVDPEKVGRPVRGGVIEHVDLLPQRVPGRIEIALLTVPREAAQKAADLLVAAGIKGILNFAPVVLEVPKEVAVENVDFLAGLTRLSFAILNPKWREEMMG
         ..........................................................XXX.......................................................................................................................................................
PDB seq: GMKVPEAAISRLITYLRILEELEAQGVHRTSSEQLGELAQVTAFQVRKDLSYFGSYGT---GYTVPVLKRELRHILGLNRKWGLCIVGMGRLGSALADYPGFGESFELRGFFDVDPEKVGRPVRGGVIEHVDLLPQRVPGRIEIALLTVPREAAQKAADLLVAAGIKGILNFAPVVLEVPKEVAVENVDFLAGLTRLSFAILNPKWR-----
         ----------+---------+---------+---------+---------+-------   ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------     
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