NCIt definition : Human MMADHC wild-type allele is located in the vicinity of 2q23.2 and is approximately
18 kb in length. This allele, which encodes Methylmalonic aciduria and homocystinuria
type D protein, mitochondrial, plays a role in the mediation of vitamin B12 metabolism.
Mutation of the gene is associated with some cases of homocystinuria, and methylmalonic
aciduria.;