Sequence alignment between 4awj(A) and UniProt seq Q15370 (ELOB_HUMAN):

Q15370 (ELOB_HUMAN): Elongin-B from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110        
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MDVFLMIRRHKTTIFTDAKESSTVFELKRIVEGILKRPPDEQRLYKDDQLLDDGKTLGECGFTSQTARPQAPATVGLAFRADDTFEALCIEPFSSPPELPDVMKPQDSGSSANEQAVQ
         ...........................................................X......................X.....X.............................
PDB seq: MDVFLMIRRHKTTIFTDAKESSTVFELKRIVEGILKRPPDEQRLYKDDQLLDDGKTLGEXGFTSQTARPQAPATVGLAFRAD-TFEALXIEPFSSPPELPDVM---------------
         ---------+---------+---------+---------+---------+---------+---------+---------+-- ------+---------+---               
                 10        20        30        40        50        60        70        80        90       100