Sequence alignment between 3n4x(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....................................................................................XXXXXXXXXXXX.........XXXXXX.............................................................
PDB seq: --PLTVYKNS--------DLLVANLVNENFVLSEKLDTKATEIKQLQKQIDSLNAQVKELKTQTSQQAENSEVIKDLYEYLCNVRVHKSYEDDSGLWFDISQ------------IMDYKLGFV------TEVIYAPVLKQRSTEELYSLQSKLPEYLFETLSFPLSSLNQFYNKIAKSL-----------
           -------+        -+---------+---------+---------+---------+---------+---------+---------+---------+--            -----+---      +---------+---------+---------+---------+---------           
                 10        20        30        40        50        60        70        80        90       100                 120       130       140       150       160       170