| ACAD | Acyl-CoA Dehydrogenase |
| AIF | Apoptosis Inducing Factor |
| AMID | Mitochondrion-Associated Inducer of Death |
| CHDH | Choline Dehydrogenase |
| CoQ10 | Coenzyme Q10 |
| CytC | Cytochrome C |
| DMGDH | Dimethylglycine Dehydrogenase |
| ETC | Electron Transport Chain |
| ETHE1 | Ethylmalonic Encephalopathy Protein 1 |
| ETF | Electron Transfer Flavoprotein |
| ETF-QO | Electron Transfer Flavoprotein-ubiquinone Oxidoreductase |
| FAD | Flavin Adenine Dinucleotide |
| FMN | Flavin Mononucleotide |
| GCDH | Glutaryl-CoA Dehydrogenase |
| GPDM | Mitochondrial Glycerol-3-phosphate Dehydrogenase |
| HSP | Heat Shock Protein |
| IBD | Isobutyryl-CoA Dehydrogenase |
| IEM | Inborn Errors of Metabolism |
| IL | Interleukin |
| IVD | Isovaleryl-CoA Dehydrogenase |
| LCAD | Long-Chain Acyl-CoA Dehydrogenase |
| LOF | Loss of Function |
| LSD1 | Lysine-specific Demethylase 1 |
| MADD | Multiple Acyl-CoA Dehydrogenation Deficiency |
| MCAD | Medium-Chain Acyl-CoA Dehydrogenase |
| MFT | Mitochondrial Folate Transporter |
| MFTHR | Methylenetetrahydrofolate Reductase |
| MPTb | Molybdopterin-binding Domain |
| MTRR | Methionine Synthase Reductase |
| NADPH | Nicotinamide Adenine Dinucleotide Phosphate |
| NMD | Nonsense-mediated Decay |
| NOX | NADPH oxidases |
| PNPO | Pyridoxine 5´-phosphate Oxidase |
| RFK | Riboflavin Kinase |
| RFVT | Riboflavin Transporter |
| ROS | Reactive Oxygen Species |
| SARDH | Sarcosine Dehydrogenase |
| SBCAD | Short/Branched-Chain Acyl-CoA Dehydrogenase |
| SCAD | Short-Chain Acyl-CoA Dehydrogenase |
| SLC | Solute Carrier |
| SQOR | Sulfide:Quinone Oxidoreductase |
| TNF-α | Tumor Necrosis Factor Alpha |
| VLCAD | Very Long-Chain Acyl-CoA Dehydrogenase |