Sequence alignment between 1wrn(A) and UniProt seq P10943 (HUTP_BACSU):

P10943 (HUTP_BACSU): Hut operon positive regulatory protein from Bacillus subtilis (strain 168)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140        
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MTLHKERRIGRLSVLLLLNEAEESTQVEELERDGWKVCLGKVGSMDAHKVVAAIETASKKSGVIQSEGYRESHALYHATMEALHGVTRGEMLLGSLLRTVGLRFAVLRGNPYESEAEGDWIAVSLYGTIGAPIKGLEHETFGVGINHI
         ......................X...........................X.................................................................................................
PDB seq: -TLHKERRIGRLSVLLLLNEAE-STQVEELERDGWKVCLGKVGSMDAHKVIAAIETASKKSGVIQSEGYRESHALYHATMEALHGVTRGEMLLGSLLRTVGLRFAVLRGNPYESEAEGDWIAVSLYGTIGAPIKGLEHETFGVGINHI
          --------+---------+-- ------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140