| 
                     | 
                
                  Biological Magnetic Resonance Data BankA Repository for Data from NMR Spectroscopy on Proteins, Peptides, Nucleic Acids, and other Biomolecules  | 
                
                    Member of
                    
                         | 
            
	Methylmalonic acidemia is a disorder, passed down through families, in which the body cannot break down certain proteins and fats. The result is a build up of a substance called methylmalonic acid in the blood.
| Gene Name | Chromosome number | 
|---|---|
| MMAA | 4 | 
| MUT | 6 |