Sequence alignment between 2hvb(A) and UniProt seq O58810 (SOR_PYRHO):

O58810 (SOR_PYRHO): Superoxide reductase from Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3)
                 10        20        30        40        50        60        70        80        90       100       110     
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-----
UniProt: MLKETIRSGDWKGEKHVPVIEYEREGDLVKVEVSVGKEIPHPNTPEHHIAWIELYFHPEGGQFPILVGRVEFTNHSDPLTEPRAVFFFKTSKKGKLYALSYCNIHGLWENEVQLE
         ...........XX......................................................................................................
PDB seq: MLKETIRSGDW--EKHVPVIEYEREGDLVKVEVSVGKEIPHPNTPEHHIAWIELYFHPEGGQFPILVGRVEFTNHSDPLTEPRAVFFFKTSKKGKLYALSYCNIHGLWENEVQLE
         ----------+  -------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----
                  20        30        40        50        60        70        80        90       100       110       120