1. describe the basic principles of post-translational processing

2. compare/contrast  molecular components and regulatory events of a particular PTP 

3. analyze how PTPs are tightly and coordinantly regulated

4. explain how PTPs affect protein structure and function

5. describe how cell uses various PTPs amplify, change and block extracellular signaling

6. execute methods and approaches commonly used to analyze PTPs

7. describe, evaluate and communicate  scientific literature in signal transduction