>1XI3_1|Chains A, B|Thiamine phosphate pyrophosphorylase|Pyrococcus furiosus (2261) AHHHHHHGSNLRNKLKLYVITDRRLKPEVESVREALEGGATAIQMRIKNAPTREMYEIGKTLRQLTREYDALFFVDDRVDVALAVDADGVQLGPEDMPIEVAKEIAPNLIIGASVYSLEEALEAEKKGADYLGAGSVFPTKTKEDARVIGLEGLRKIVESVKIPVVAIGGINKDNAREVLKTGVDGIAVISAVMGAEDVRKATEELRKIVEEVLG