negatively regulates regulation of isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway negative regulation of isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of isopentenyl diphosphate produced via the methylerythritol (MEP) pathway (mevalonate-independent). GO:0010323 down regulation of isopentenyl diphosphate biosynthetic process, mevalonate-independent pathway biological_process inhibition of isopentenyl diphosphate biosynthetic process, mevalonate-independent pathway down-regulation of isopentenyl diphosphate biosynthetic process, mevalonate-independent pathway downregulation of isopentenyl diphosphate biosynthetic process, mevalonate-independent pathway negative regulation of isopentenyl diphosphate biosynthetic process, mevalonate-independent pathway isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway negative regulation of isoprenoid metabolic process negative regulation of carbohydrate metabolic process biological regulation negative regulation of phospholipid biosynthetic process