|Dataset||MPO Gene-Phenotype Associations|
|Category||disease or phenotype associations|
|Description||any structural anomaly of the small mass of modified cardiac muscle fibers located at the junction of the superior vena cava and the right atrium that is the source of contraction impulses for the heart (Mammalian Phenotype Ontology, MP_0004115)|
|Downloads & Tools|
5 gene mutations causing the abnormal sinoatrial node morphology phenotype in transgenic mice from the MPO Gene-Phenotype Associations dataset.