Aspartate Aminotransferase, Serum Level of, Quantitative Trait Locus 1, is also known as aspartate aminotransferase, serum level of, qtl1. An important gene associated with Aspartate Aminotransferase, Serum Level of, Quantitative Trait Locus 1 is GOT1 (Glutamic-Oxaloacetic Transaminase 1).