Sequence alignment between 6hqb(C) and UniProt seq P32422 (PSAC_SYNY3):

P32422 (PSAC_SYNY3): Photosystem I iron-sulfur center from Synechocystis sp. (strain ATCC 27184 / PCC 6803 / Kazusa)
                 10        20        30        40        50        60        70        80 
         ---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: MSHSVKIYDTCIGCTQCVRACPLDVLEMVPWDGCKAAQIASSPRTEDCVGCKRCETACPTDFLSIRVYLGAETTRSMGLAY
PDB seq: -SHSVKIYDTCIGCTQCVRACPLDVLEMVPWDGCKAAQIASSPRTEDCVGCKRCETACPTDFLSIRVYLGAETTRSMGLAY
          --------+---------+---------+---------+---------+---------+---------+---------+-
                 10        20        30        40        50        60        70        80