You have identified a novel drug that can bind to an oncoprotein named SRSF3. How will you visualize the protein-drug interaction and gain more idea about the binding site and its interacting amino acids? You will perform a protein purification followed by LC-MS Perform a drug toxicity assay such as MTT along with the drug Search Protein Data Base (PDB) for its structure and perform BLAST to know drug binding sites Perform a molecular docking followed by visualization using bioinformatics tools such as PyMol

To visualize the protein-drug interaction and gain more information about the binding site and its interacting amino acids, you can follow these steps:

1. Protein Purification and LC-MS: First, you need to purify the protein SRSF3 from the cells. This can be done using various protein purification techniques like affinity chromatography, ion exchange chromatography, etc. After purification, you can use Liquid Chromatography-Mass Spectrometry (LC-MS) to identify and quantify the protein. This will also help you to confirm the presence of the protein and its interaction with the drug.

2. Drug Toxicity Assay: Perform a drug toxicity assay such as MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) to evaluate the cytotoxicity of the drug. This will give you an idea about the safe dosage of the drug that can be used for further studies.

3. Search Protein Data Base (PDB) and Perform BLAST: Search the Protein Data Base (PDB) for the structure of SRSF3. This will give you an idea about the 3D structure of the protein. Then, perform a Basic Local Alignment Search Tool (BLAST) to identify the drug binding sites on the protein. This will help you to understand the potential interaction sites of the drug on the protein.

4. Molecular Docking and Visualization: Finally, perform a molecular docking study to predict the position and orientation of the drug when it is bound to the protein. This can be done using various bioinformatics tools. After docking, you can visualize the protein-drug interaction using visualization tools such as PyMol. This will give you a detailed view of the interaction and the specific amino acids involved in the binding.