part of part of has input has input has output has output process reaction 3-methyl-2-oxobutanoate + 5,10-methylene-THF + H(2)O = 2-dehydropantoate + 5,6,7,8-tetrahydrofolate 1 1 1 1 1 1 METACYC:3-CH3-2-OXOBUTANOATE-OH-CH3-XFER-RXN RHEA:11827 UPa:UCR01226 reaction KEGG:R01226 (R)-pantoate from 3-methyl-2-oxobutanoate: step 1/2 H(2)O 5,6,7,8-tetrahydrofolate 3-methyl-2-oxobutanoate 5,10-methylene-THF 2-dehydropantoate