Mitochondrial acetoacetyl-CoA thiolase deficiency , known earlier as β-ketothiolase deficiency , is an inborn error of metabolism involving isoleucine catabolism and ketone body metabolism .
ADJ PROPN NOUN NOUN , VERB ADV ADP NOUN NOUN , AUX DET ADJ NOUN ADP NOUN VERB NOUN NOUN CCONJ NOUN NOUN NOUN .