Peroxisomal adenine nucleotide transporter catalyzing the counterexchange of ATP with AMP. ATP is needed by reactions that generate acyl-CoA for peroxisomal fatty acid beta-oxidation during postgerminative growth. Required for the conversion of seed-reserved triacylglycerols into sucrose that is necessary for growth before the onset of photosynthesis. Increased expression until 5 days after germination and then declines during growth under constant darkness. Down-regulated upon illumination in seedlings germinated in the dark. Belongs to the mitochondrial carrier (TC 2.A.29) family.