Acyl-CoA dehydrogenase family member 9, mitochondrial; Required for mitochondrial complex I assembly. Has a dehydrogenase activity on palmitoyl-CoA (C16-0) and stearoyl-CoA (C18-0). It is three times more active on palmitoyl-CoA than on stearoyl-CoA. However, it does not play a primary role in long-chain fatty acid oxidation in vivo. Has little activity on octanoyl-CoA (C8-0), butyryl-CoA (C4-0) or isovaleryl-CoA (5-0); Belongs to the acyl-CoA dehydrogenase family (621 aa)

ATP-binding cassette sub-family B member 6, mitochondrial; Binds heme and porphyrins and functions in their ATP- dependent uptake into the mitochondria. Plays a crucial role in heme synthesis; Belongs to the ABC transporter superfamily. ABCB family. Heavy Metal importer (TC 3.A.1.210) subfamily (842 aa)

Multidrug resistance protein 1; Energy-dependent efflux pump responsible for decreased drug accumulation in multidrug-resistant cells; ATP binding cassette subfamily B (1280 aa)

Proteasome activator complex subunit 3; Subunit of the 11S REG-gamma (also called PA28-gamma) proteasome regulator, a doughnut-shaped homoheptamer which associates with the proteasome. 11S REG-gamma activates the trypsin-like catalytic subunit of the proteasome but inhibits the chymotrypsin-like and postglutamyl-preferring (PGPH) subunits. Facilitates the MDM2-p53/TP53 interaction which promotes ubiquitination- and MDM2-dependent proteasomal degradation of p53/TP53, limiting its accumulation and resulting in inhibited apoptosis after DNA damage. May also be involved in cell cycle regul [...] (267 aa)

Multidrug resistance-associated protein 5; Acts as a multispecific organic anion pump which can transport nucleotide analogs; Belongs to the ABC transporter superfamily. ABCC family. Conjugate transporter (TC 3.A.1.208) subfamily (1437 aa)

Mitochondrial ribosomal protein L4; Belongs to the universal ribosomal protein uL4 family (311 aa)

ATP-binding cassette sub-family B member 7, mitochondrial; Could be involved in the transport of heme from the mitochondria to the cytosol. Plays a central role in the maturation of cytosolic iron-sulfur (Fe/S) cluster-containing proteins; ATP binding cassette subfamily B (753 aa)

ATP-binding cassette sub-family G member 2; High-capacity urate exporter functioning in both renal and extrarenal urate excretion. Plays a role in porphyrin homeostasis as it is able to mediates the export of protoporhyrin IX (PPIX) both from mitochondria to cytosol and from cytosol to extracellular space, and cellular export of hemin, and heme. Xenobiotic transporter that may play an important role in the exclusion of xenobiotics from the brain. Appears to play a major role in the multidrug resistance phenotype of several cancer cell lines. Implicated in the efflux of numerous drugs a [...] (655 aa)