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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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	Gastroesophageal reflux disease (GERD) happens when a muscle at the end of the esophagus does not close properly. This allows stomach contents to leak back, or reflux, into the esophagus and irritate it.
| Gene Name | Chromosome number | 
|---|---|
| ATP4A | 19 |