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                  Biological Magnetic Resonance Data BankA Repository for Data from NMR Spectroscopy on Proteins, Peptides, Nucleic Acids, and other Biomolecules  | 
                
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	Homocystinuria is an inherited disorder that affects the metabolism of the amino acid methionine.
| Gene Name | Chromosome number | 
|---|---|
| MTRR | 5 | 
| CBS | 21 |