Sequence alignment between 2dr3(A) and UniProt seq O58022 (Y284_PYRHO):

O58022 (Y284_PYRHO): UPF0273 protein PH0284 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       
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MTRRVKTGIPGVDEILHGGIPERNVVLLSGGPGTGKTIFSQQFLWNGLKMGEPGIYVALEEHPVQVRQNMAQFGWDVKPYEEKGMFAMVDAFTAGIGKSKEYEKYIVHDLTDIREFIEVLRQAIRDINAKRVVVDSVTTLYINKPAMARSIILQLKRVLAGTGCTSIFVSQVSVGERGFGGPGVEHGVDGIIRLDLDEIDGELKRSLIVWKMRGTSHSMRRHPFDITDKGIIVYPDKVLKRGKVLEL
         ..................................................................................................XX.........................................................................XXXX...X..................................................................
PDB seq: --RRVKTGIPGVDEILHGGIPERNVVLLSGGPGTGKTIFSQQFLWNGLKMGEPGIYVALEEHPVQVRQNMAQFGWDVKPYEEKGMFAMVDAFTAGIGK--EYEKYIVHDLTDIREFIEVLRQAIRDINAKRVVVDSVTTLYINKPAMARSIILQLKRVLAGTGCTSIFVSQVS----GFG-PGVEHGVDGIIRLDLDEIDGELKRSLIVWKMRGTSHSMRRHPFDITDKGIIVYPDKVLKR------
           -------+---------+---------+---------+---------+---------+---------+---------+---------+--------  ---------+---------+---------+---------+---------+---------+---------+---    --+ --------+---------+---------+---------+---------+---------+-      
                 10        20        30        40        50        60        70        80        90                 110       120       130       140       150       160       170       180       190       200       210       220       230       240