>sp|Q3SH83|PANB_THIDA 3-methyl-2-oxobutanoate hydroxymethyltransferase OS=Thiobacillus denitrificans GN=panB MPVTLSTLKALRQKGEKIAVLTCYDASFARVFDAAGVDVLLVGDSLGMVIQGHASTLPVK LAEMAYHTRCVAAGTTRAFIVADLPFGSYQPSPERAYTAAARLMAAGAHMIKLEGGAVMV DTVAFLAARGIPVCAHLGLLPQSVNQLGGYRVQGREDGDAAQLVADARALEAAGAGLIVL EMVPAALAKTVTAALSMPTIGIGAGADCAGQVLVSYDMLGLYPRAPKFSKNFLAGAGSVD AAVRAYVAAVKDGSFPAAEHAF