Sequence alignment between 2wc1(A) and UniProt seq P52967 (FLAV_RHOCB):

P52967 (FLAV_RHOCB): Flavodoxin from Rhodobacter capsulatus (strain ATCC BAA-309 / NBRC 16581 / SB1003)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180  
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
UniProt: MAKIGLFFGSDTGTTRKIAKQIKDMFDDEVMAKPLNVNRADVADFMAYDFLILGTPTLGDGQLPGLSANAASESWEEFLPRIADQDFSGKTIALFGLGDQVTYPLEFVNALFFLHEFFSDRGAKLVGRWPAKGYGFEDSLAVVEGEFLGLALDQDNQAALTPERLKGWLSLIAADFGLVLPA
         ...........................................................................................................................XX.........................................................
PDB seq: MAKIGLFFGSDTGTTRKIAKQIKDMFDDEVMAKPLNVNRADVADFMAYDFLILGTPTLGDGQLPGLSANAASESWEEFLPRIADQDFSGKTIALFGLGDQVTYPLEFVNALFFLHEFFSDRGANVVGRWPAKGYGFEDSLAVVEGEFLGLALDQDNQAALTPERLKGWLSLIAADFGLVLPA
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180