Sequence alignment between 2d13(D) and UniProt seq O58996 (O58996_PYRHO):

O58996 (O58996_PYRHO): Diphthamide synthase domain-containing protein from Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3)
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         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
UniProt: MVGLADVAVLYSGGKDSNYALYWALKSGLRVRYLVSMVSENEESYMYHTPNVELTSLQARALGIPIIKGFTKGEKEKEVEDLKNVLEGLKVDGIVAGALASRYQKERIENVARELGLKVYTPAWEKDPYQYMLEIIKLGFKVVFVAVSAYGLNESWLGRELNYKNLEELKKLSEKYGIHIAGEGGEFETFVLDMPFFKAKIVIDDAEKFWDGLSGKFIIKRAHLEWK
         .......................................XXXXXXXXXXXXXX..................XXXXXXX.....................................................................................................................................................
PDB seq: ---LADVAVLYSGGKDSNYALYWALKSGLRVRYLVSMVS--------------LTSLQARALGIPIIKGFT-------VEDLKNVLEGLKVDGIVAGALASRYQKERIENVARELGLKVYTPAWEKDPYQYMLEIIKLGFKVVFVAVSAYGLNESWLGRELNYKNLEELKKLSEKYGIHIAGEGGEFETFVLDMPFFKAKIVIDDAEKFWDGLSGKFIIKRAHLEWK
            ------+---------+---------+---------              ------+---------+-       -+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-------
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