Sequence alignment between 4cr4(Y) and UniProt seq O94742 (SEM1_YEAST):

O94742 (SEM1_YEAST): 26S proteasome complex subunit SEM1 from Saccharomyces cerevisiae (strain ATCC 204508 / S288c)
                 10        20        30        40        50        60        70        80         
         ---------+---------+---------+---------+---------+---------+---------+---------+---------
UniProt: MSTDVAAAQAQSKIDLTKKKNEEINKKSLEEDDEFEDFPIDTWANGETIKSNAVTQTNIWEENWDDVEVDDDFTNELKAELDRYKRENQ
PDB seq: ----------------------------------------------------------------------DDFTNELKAELDRYKRENQ
                                                                               ---------+---------
                                                                                       80