BBa_I711016
BBa_I711016 Version 1 (Component)
Butyric Acid -> Butyrl-CoA (constitutive prod. of ctfA, ctfB)

BBa_I711034
BBa_I711034 Version 1 (Component)
atoA, atoD generator (acetoacetyl-CoA:acyl-CoA transferase) (butyric acid -> butyryl-CoA)

iGEM Parts Registry
igem_collection Version 1 (Collection)
The iGEM Registry is a growing collection of genetic parts that can be mixed and matched to build synthetic biology devices and systems. As part of the synthetic biology community's efforts to make biology easier to engineer, it provides a source of genetic parts to iGEM teams and academic labs.