Sequence alignment between 2cf4(A) and UniProt seq O58255 (O58255_PYRHO):

O58255 (O58255_PYRHO): Uncharacterized protein 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       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330  
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--
UniProt: MMSMIEKLKKFTQIPGISGYEERIREEIIREIKDFADYKVDAIGNLIVELGEGEERILFMAHMDEIGLLITGITDEGKLRFRKVGGIDDRLLYGRHVNVVTEKGILDGVIGATPPHLSLERDKSVIPWYDLVIDIGAESKEEALELVKPLDFAVFKKHFSVLNGKYVSTRGLDDRFGVVALIEAIKDLVDHELEGKVIFAFTVQEEVGLKGAKFLANHYYPQYAFAIDSFACCSPLTGDVKLGKGPVIRAVDNSAIYSRDLARKVWSIAEKNGIEIQIGVTGGGTDASAFQDRSKTLALSVPIKYLHSEVETLHLNDLEKLVKLIEALAFEL
PDB seq: --SMIEKLKKFTQIPGISGYEERIREEIIREIKDFADYKVDAIGNLIVELGEGEERILFMAHMDEIGLLITGITDEGKLRFRKVGGIDDRLLYGRHVNVVTEKGILDGVIGATPPHLSLERDKSVIPWYDLVIDIGAESKEEALELVKPLDFAVFKKHFSVLNGKYVSTRGLDDRFGVVALIEAIKDLVDHELEGKVIFAFTVQEEVGLKGAKFLANHYYPQYAFAIDSFACCSPLTGDVKLGKGPVIRAVDNSAIYSRDLARKVWSIAEKNGIEIQIGVTGGGTDASAFQDRSKTLALSVPIKYLHSEVETLHLNDLEKLVKLIEALAFEL
           --------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
                  10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330