TABLE 1.

Genes coding for enzymes of the EMCP and the GC in Rhodobacter sphaeroides 2.4.1 and Escherichia coli K-12, respectively, and their homologues identified in P. denitrificans Pd1222^a

Pathway or cycle	Enzyme	Gene name	Gene ID in:
			R. sphaeroides 2.4.1	E. coli K-12	P. denitrificans Pd1222
EMCP	β-Kethothiolase	phaA	RSP_0745	–	Pden_2026
	Acetoacetyl-CoA reductase	phaB	RSP_0747	–	Pden_2027
	Crotonyl-CoA carboxylase/reductase	ccr	RSP_0960	–	Pden_3873
	Ethylmalonyl-CoA/methylmalonyl-CoA epimerase	epi	RSP_0812	–	Pden_2178
	Ethylmalonyl-CoA mutase	ecm	RSP_0961	–	Pden_3875
	(2S)-Methylsuccinyl–CoA dehydrogenase	mcd	RSP_1679	–	Pden_2840
	Mesaconyl-CoA hydratase	mch	RSP_0973	–	Pden_0566
	β-Methylmalyl–CoA/l-malyl–CoA lyase	mcl-1	RSP_1771	–	Pden_0799
	(S)-Malyl–CoA thioesterase	mcl-2	RSP_0970	–	Pden_0563
	Propionyl-CoA carboxylase	pccAB	RSP_2191/2189	–	Pden_3684/3688
	Ethylmalonyl-CoA/methylmalonyl-CoA epimerase	epi	RSP_0812	–	Pden_2178
	(2R)-Methylmalonyl–CoA mutase	mcm	RSP_2912	–	Pden_3681
GC	Isocitrate lyase	aceA	–	C5Y66_09370	Pden_1363
	Malate synthase	aceB	–	C5Y66_09365	Pden_1364

^aKey enzymes of the two pathways are in bold. Missing enzyme homologues are indicated by dashes.