2.5.1.47	cysteine synthase	Rhodocyclus tenuis	
2.5.1.144	S-sulfo-L-cysteine synthase (O-acetyl-L-serine-dependent)	Rhodocyclus tenuis	
2.5.1.144	S-sulfo-L-cysteine synthase (O-acetyl-L-serine-dependent)	Rhodocyclus tenuis BN230	
2.7.1.19	phosphoribulokinase	Rhodocyclus tenuis	
2.7.2.4	aspartate kinase	Rhodocyclus tenuis	
2.7.7.27	glucose-1-phosphate adenylyltransferase	Rhodocyclus tenuis