Sequence alignment between 1a8c(A) and UniProt seq P95339 (CY552_NITEU):

P95339 (CY552_NITEU): Cytochrome c-552 from Nitrosomonas europaea (strain ATCC 19718 / CIP 103999 / KCTC 2705 / NBRC 14298)
                 10        20        30        40        50        60        70        80        90       100   
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---
UniProt: MKTAWLGTFAASALLVAGYAQADADLAKKNNCIACHQVETKVVGPALKDIAAKYADKDDAATYLAGKIKGGSSGVWGQIPMPPNVNVSDADAKALADWILTLK
PDB seq: ----------------------DADLAKKNNCIACHQVETKVVGPALKDIAAKYADKDDAATYLAGKIKGGSSGVWGQIPMPPNVNVSDADAKALADWILTLK
                               ---------+---------+---------+---------+---------+---------+---------+---------+-
                                       10        20        30        40        50        60        70        80