go_id,ontology,go_term,term_definition,evidence GO:0000287,MF,"magnesium ion binding","Interacting selectively and non-covalently with magnesium (Mg) ions.",IDA GO:0003924,MF,"GTPase activity","Catalysis of the reaction: GTP + H2O = GDP + phosphate.",IEA GO:0005525,MF,"GTP binding","Interacting selectively and non-covalently with GTP, guanosine triphosphate.",IEA GO:0005743,CC,"mitochondrial inner membrane","The inner, i.e. lumen-facing, lipid bilayer of the mitochondrial envelope. It is highly folded to form cristae.",IEA GO:0005759,CC,"mitochondrial matrix","The gel-like material, with considerable fine structure, that lies in the matrix space, or lumen, of a mitochondrion. It contains the enzymes of the tricarboxylic acid cycle and, in some organisms, the enzymes concerned with fatty acid oxidation.",TAS GO:0005761,CC,"mitochondrial ribosome","A ribosome found in the mitochondrion of a eukaryotic cell; contains a characteristic set of proteins distinct from those of cytosolic ribosomes.",TAS GO:0042254,BP,"ribosome biogenesis","A cellular process that results in the biosynthesis of constituent macromolecules, assembly, and arrangement of constituent parts of ribosome subunits; includes transport to the sites of protein synthesis.",IEA GO:0044065,BP,"regulation of respiratory system process","Any process that modulates the frequency, rate or extent of a respiratory system process, an organ system process carried out by any of the organs or tissues of the respiratory system.",IMP GO:0070129,BP,"regulation of mitochondrial translation","Any process that modulates the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of proteins by the translation of mRNA in a mitochondrion.",IEA