Sequence alignment between 1o64(A) and UniProt seq Q9X0D2 (HIS1_THEMA):

Q9X0D2 (HIS1_THEMA): ATP phosphoribosyltransferase from Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200        
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+--------
UniProt: MLKLAIPKGRLEEKVMTYLKKTGVIFERESSILREGKDIVCFMVRPFDVPTYLVHGVADIGFCGTDVLLEKETSLIQPFFIPTNISRMVLAGPKGRGIPEGEKRIATKFPNVTQRYCESKGWHCRIIPLKGSVELAPIAGLSDLIVDITETGRTLKENNLEILDEIFVIRTHVVVNPVSYRTKREEVVSFLEKLQEVIEHDSNEQSRG
PDB seq: -LKLAIPKGRLEEKVMTYLKKTGVIFERESSILREGKDIVCFMVRPFDVPTYLVHGVADIGFCGTDVLLEKETSLIQPFFIPTNISRMVLAGPKGRGIPEGEKRIATKFPNVTQRYCESKGWHCRIIPLKGSVELAPIAGLSDLIVDITETGRTLKENNLEILDEIFVIRTHVVVNPVSYRTKREEVVSFLEKLQEVIEHDSNE----
          --------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+----    
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200