Paul Lawrence UCF Research: An Overview
Paul Lawrence is a professor at the University of Central Florida (UCF). Student reviews of Lawrence are mixed, with some praising his teaching style and dedication, while others criticize his approach and perceived attitude. His research background involves protein modification and its implications in disease, particularly cancer.
Student Perspectives on Paul Lawrence's Teaching
Student reviews offer a range of opinions on Paul Lawrence's effectiveness as a professor. Some students express strong support, praising his flipped classroom style and perceived care for student success.
- Positive Feedback: Some students believe that Lawrence is an excellent professor who genuinely cares about his students' performance. They appreciate the flipped classroom approach, which they find helpful for learning the material. Success in his course, according to these students, requires dedication and consistent studying.
- Constructive Criticism: Other students offer more critical perspectives. Some find the flipped classroom format challenging, citing the extensive video lectures that only cover a portion of the required material. Some students also express concerns about pop quizzes and a perceived uncaring attitude. Some students mention that Lawrence expects everyone to want to learn chemistry like a chemistry major.
It's important to consider that experiences can vary, and success in any course often depends on individual learning styles, work ethic, and preparation.
Lawrence's Research Background
Lawrence's research experience includes significant work on protein modifications and their roles in biological processes, particularly in the context of disease. His research has focused on understanding how these modifications affect protein function and stability, with implications for drug development and cancer biology.
PEGylation and Protein Stability
During his time as a graduate student at Brigham Young University under Dr. Joshua Price, Lawrence investigated the impact of site-specific PEGylation on protein conformational stability. PEGylation, the process of attaching polyethylene glycol (PEG) to proteins, is a common technique used to improve the pharmacokinetic properties of protein drugs. However, nonspecific PEGylation can have unintended consequences, such as reducing biological activity by sterically hindering active sites or binding surfaces. Lawrence's research aimed to identify guidelines for selecting PEGylation sites that maximize pharmacokinetic enhancement while minimizing the loss of biological activity.
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Post-Translational Modifications of p53
As a postdoctoral researcher in the laboratory of Dr. Champak Chatterjee at the University of Washington, Lawrence studied the mechanistic role of post-translational modifications (PTMs) of the tumor suppressor protein p53. P53 is a crucial protein involved in regulating cell growth and preventing cancer. Its function is modulated by a variety of PTMs, including acetylation, phosphorylation, methylation, sumoylation, and ubiquitylation. Misregulation of p53 PTMs, often due to genetic mutations or altered activity of PTM-modifying enzymes, can contribute to cancer development. His work focused on SUMOylation (Small Ubiquitin-like Modifier) of lysine 386 of the p53 protein (p53SUMO). To study p53SUMO, Lawrence utilized protein semisynthesis techniques like expressed protein ligation (EPL), protein trans-splicing (PTS), and Fmoc solid-phase peptide synthesis. He also mastered cloning, purifying, and characterizing proteins from E. coli to obtain milligram quantities of desired product. He successfully synthesized, purified, and refolded p53SUMO, and also overexpressed, purified, and refolded full-length human wild type p53.
Techniques and Skills
Lawrence's research has equipped him with a diverse set of skills in protein chemistry and molecular biology, including:
- Protein Semisynthesis: Utilizing techniques like expressed protein ligation (EPL), protein trans-splicing (PTS), and Fmoc solid-phase peptide synthesis to create modified proteins.
- Molecular Cloning: Manipulating DNA to create recombinant proteins.
- Protein Purification and Characterization: Isolating and analyzing proteins from various sources.
- Protein Refolding: Restoring the native structure and function of denatured proteins.
- Cell Culture: Growing and maintaining cells for research purposes.
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