Tra2 is an SR-like protein that has several isoforms and, regulates the alternative pre-mRNA splicing of many important genes, including the glutamate receptor.

• Tra2（splicing factor Transformer-2）是一种SR相关蛋白的选择性剪接因子，有多种亚型，Tra2参与包括谷氨酸受体在内的很多重要基因前体mRNA的选择性剪接。