Sequence alignment between 1vzg(A) and UniProt seq Q46495 (DFX_DESB2):

Q46495 (DFX_DESB2): Desulfoferrodoxin from Desulfarculus baarsii (strain ATCC 33931 / DSM 2075 / LMG 7858 / VKM B-1802 / 2st14) 
                 10        20        30        40        50        60        70        80        90       100       110       120      
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------
UniProt: MPERLQVYKCEVCGNIVEVLNGGIGELVCCNQDMKLMSENTVDAAKEKHVPVIEKIDGGYKVKVGAVAHPMEEKHYIQWIELLADDKCYTQFLKPGQAPEAVFLIEAAKVVAREYCNIHGHWKAEN
         ..............................................X...............................................................................
PDB seq: -PERLQVYKCEVCGNIVEVLNGGIGELVCCNQDMKLMSENTVDAAKAKHVPVIEKIDGGYKVKVGAVAHPMEEKHYIQWIELLADDKCYTQFLKPGQAPEAVFLIEAAKVVAREYCNIHGHWKAEN
          --------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------
                 10        20        30        40        50        60        70        80        90       100       110       120