After reviewing the sources provided, there is no evidence to suggest that there are any negative interactions between Lipitor and plant-based protein.

Lipitor, which contains atorvastatin calcium, is a medication used to treat high cholesterol levels in the blood. According to Drug Patent Watch [1], there are no known interactions between atorvastatin calcium and plant-based protein.

Furthermore, a study published in the Journal of the American Heart Association [3] found that a plant-based diet can actually help lower cholesterol levels and reduce the risk of heart disease. The study states that plant-based diets are associated with lower levels of low-density lipoprotein (LDL) cholesterol, which is commonly known as "bad" cholesterol.

In fact, the National Center for Biotechnology Information [2] published a study that examined the effects of soy protein on cholesterol levels in individuals taking atorvastatin calcium. The study found that soy protein did not interfere with the cholesterol-lowering effects of atorvastatin calcium.

In conclusion, there is no evidence to suggest that there are any negative interactions between Lipitor and plant-based protein. In fact, a plant-based diet may even help lower cholesterol levels and reduce the risk of heart disease. However, it is always important to consult with a healthcare provider before making any changes to medication or diet.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2949584/
[3] https://www.ahajournals.org/doi/full/10.1161/CIRCRESAHA.118.312782