Sequence alignment between 3n4r(B) and UniProt seq P25651 (CSM1_YEAST):

P25651 (CSM1_YEAST): Monopolin complex subunit CSM1 from Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: MDPLTVYKNSVKQQIDSADLLVANLVNENFVLSEKLDTKATEIKQLQKQIDSLNAQVKELKTQTSQQAENSEVIKDLYEYLCNVRVHKSYEDDSGLWFDISQGTHSGGSSDDYSIMDYKLGFVKGQAQVTEVIYAPVLKQRSTEELYSLQSKLPEYLFETLSFPLSSLNQFYNKIAKSLNKKREKKDETE
         ........................................................................................................XXXXXXXX.............XXXXX..........................X.................................
PDB seq: ---------------------------------------------------------------------NSEVIKDLYEYLCNVRVHKSYEDDSGLWFDISQGT--------YSIMDYKLGFVKG-----EVIYAPVLKQRSTEELYSLQSKLPEYMFETLSFPLSSLNQFYNKIAKSLN----------
                                                                              +---------+---------+---------+----        -------+-----     ---------+---------+---------+---------+---------+          
                                                                             70        80        90       100                 120                 140       150       160       170       180