Sequence alignment between 6r6h(P) 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.............
PDB seq: MDVFLMIRRHKTTIFTDAKESSTVFELKRIVEGILKRPPDEQRLYKDDQLLDDGKTLGECGFTSQTARPQAPATVGLAFRADDTFEALCIEPFSSPPELPDVMKA-------------
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-----             
                 10        20        30        40        50        60        70        80        90       100