| CFTR | cystic fibrosis transmembrane conductance regulator |
|---|---|
| CMAR | cell matrix adhesion regulator |
| HBGR | hemoglobin-gamma regulator HbH hemoglobin H |
| HTOR | 5-hydroxytryptamine oxygenase regulator |
| HTR | histidine transport regulator; 5-hydroxytryptamine receptor |