NCIt definition : Trifunctional enzyme subunit beta, mitochondrial (474 aa, 51 kDa) is encoded by the
human HADHB gene. This protein plays a role in breaking down fatty acids to produce
acetyl-Coenzyme A.;
NCIt note : The mitochondrial trifunctional enzyme is a heterotetramer composed of 2 alpha (HADHA)
and 2 beta (HADHB) subunits.;