Any process that stops, prevents or reduces the frequency, rate or extent of establishment of protein localization to mitochondrion.
Synonyms:
exact_synonym:
down regulation of establishment of protein localisation to mitochondrion; down regulation of establishment of protein localization in mitochondrion; down regulation of establishment of protein localization to mitochondrion; downregulation of establishment of protein localisation to mitochondrion; downregulation of establishment of protein localization in mitochondrion; downregulation of establishment of protein localization to mitochondrion; negative regulation of establishment of protein localisation to mitochondrion; negative regulation of establishment of protein localization in mitochondrion
narrow_synonym:
inhibition of establishment of protein localisation to mitochondrion; inhibition of establishment of protein localization in mitochondrion; inhibition of establishment of protein localization to mitochondrion