Homologs of MMP_RS06985 from Methanococcus maripaludis S2
tRNA 4-thiouridine(8) synthase ThiI
SEED: tRNA S(4)U 4-thiouridine synthase (former ThiI)
KEGG: thiamine biosynthesis protein ThiI
64 hits from BLASTp (E < 0.01)
Or try PaperBLAST, fast.genomics, the ENIGMA genome browser, or the comparative fitness browser