abnormal respiratory electron transport chain abnormal mitochondrial ATP synthesis coupled electron transport csmith MP:0010956 2011-03-23T03:52:57Z MPheno.ontology anomaly in the transfer of electrons through a series of electron donors and acceptors, generating energy that is ultimately used for synthesis of ATP, as it occurs in the mitochondrial inner membrane and mediated by multisubunit enzyme complexes known as complex I-IV abnormal oxidative phosphorylation