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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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	Immunoglobulin A deficiency is a primary immunodeficiency disease and is the most common of the primary antibody deficiencies. Many IgAD patients are asymptomatic (ie, "normal" blood donors) and are identified by finding a laboratory abnormality, without any apparent associated clinical disease.
| Gene Name | Chromosome number | 
|---|---|
| CD79A | 19 |