# pathway threonine step mcm-small # Cluster 1 147-155 amino acids (heteromeric) # BRENDA::A4YIE3 methylmalonyl-CoA mutase (subunit 1/2) (EC 5.4.99.2) Metallosphaera sedula heteromeric # BRENDA::O58013 methylmalonyl-CoA mutase (subunit 1/2) (EC 5.4.99.2) Pyrococcus horikoshii heteromeric Cluster1 methylmalonyl-CoA mutase (subunit 1/2) (EC 5.4.99.2) curated:BRENDA::A4YIE3 curated:BRENDA::O58013