Sequence alignment between 5n4w(C) and UniProt seq Q15369 (ELOC_HUMAN):

Q15369 (ELOC_HUMAN): Elongin-C from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110  
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
UniProt: MDGEEKTYGGCEGPDAMYVKLISSDGHEFIVKREHALTSGTIKAMLSGPGQFAENETNEVNFREIPSHVLSKVCMYFTYKVRYTNSSTEIPEFPIAPEIALELLMAANFLDC
         ...................................................XXXXXX.......................................................
PDB seq: ----------------MYVKLISSDGHEFIVKREHALTSGTIKAMLSGPGQ-----ANEVNFREIPSHVLSKVCMYFTYKVRYTNSSTEIPEFPIAPEIALELLMAANFLDC
                         ---+---------+---------+---------+-     ---+---------+---------+---------+---------+---------+--
                           20        30        40        50        60        70        80        90       100       110