Sequence alignment between 1vjk(A) and UniProt seq Q8U3C7 (Q8U3C7_PYRFU):

Q8U3C7 (Q8U3C7_PYRFU): Molybdopterin synthase sulfur carrier subunit from Pyrococcus furiosus (strain ATCC 43587 / DSM 3638 / JCM 8422 / Vc1)
                 10        20        30        40        50        60        70        80        90
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+
UniProt: MVKVKVKYFARFRQLAGVDEEEIELPEGARVRDLIEEIKKRHEKFKEEVFGEGYDEDADVNIAVNGRYVSWDEELKDGDVVGVFPPVSGG
         X.........................................................................................
PDB seq: SVKVKVKYFARFRQLAGVDEEEIELPEGARVRDLIEEIKKRHEKFKEEVFGEGYDEDADVNIAVNGRYVSWDEELKDGDVVGVFPPVS--
         ---------+---------+---------+---------+---------+---------+---------+---------+--------  
                 10        20        30        40        50        60        70        80