Any process that stops, prevents or reduces the frequency, rate or extent of protein processing involved in protein targeting to mitochondrion.
Synonyms:
exact_synonym:
down regulation of protein processing involved in protein targeting to mitochondrion; downregulation of protein processing involved in protein targeting to mitochondrion
narrow_synonym:
inhibition of protein processing involved in protein targeting to mitochondrion
related_synonym:
down regulation of mitochondrial protein processing during import; downregulation of mitochondrial protein processing during import; inhibition of mitochondrial protein processing during import; negative regulation of mitochondrial protein processing during import