Cyrus Chothia: The Architect of Protein Structure Classification

Cyrus Chothia, a renowned English biochemist, is best known for his groundbreaking work in protein structure classification, which has revolutionized our understanding of the biological world. His pioneering research has led to the development of the Structural Classification of Proteins (SCOP) database, a periodic table for all known protein structures.

Early Life and Education

Born on February 19, 1942, Chothia was educated at Alleyn's School, before pursuing his passion for biochemistry at Durham University, where he graduated with a Bachelor of Science degree in 1965. He then went on to complete his Master of Science degree at Birkbeck College in 1967, and later earned his PhD from University College London under the supervision of Peter Pauling, the son of the famous chemist Linus Pauling.

Research and Career

Chothia's research career spanned over four decades, during which he made significant contributions to the field of protein structure and function. After completing his PhD, he worked at the Laboratory of Molecular Biology (LMB) for three years, before moving to the Weizmann Institute of Science, where he collaborated with Michael Levitt. He then spent two years at the Institut Pasteur in Paris, working with Joel Janin. In 1976, Chothia returned to England and joined University College London and the LMB, where he continued his research on protein structure and function. Alongside Arthur Lesk, he demonstrated that proteins adapt to mutations by changes in structure. This finding laid the foundation for his most significant contribution to the field: the proposal that most proteins are built from a small number of domain families.

SCOP and Beyond

In 1992, Chothia, in collaboration with Alexey Murzin, Steven Brenner, and Tim Hubbard, created the SCOP database, a comprehensive classification system for protein structures. This database has become an essential tool for researchers worldwide, providing a framework for understanding the relationships between proteins and their functions. Chothia's work didn't stop there. He went on to develop the Superfamily database, which uses Hidden Markov models to identify protein sequences related to known structures. This database has enabled researchers to better understand the evolution of protein families and their functions.

Awards and Honors

Throughout his career, Chothia was recognized for his outstanding contributions to biochemistry and molecular biology. He was elected a Fellow of the Royal Society, a testament to his significant impact on the scientific community.

Legacy

Cyrus Chothia's work has had a profound impact on our understanding of protein structure and function. His SCOP database has become a cornerstone of bioinformatics, and his research has paved the way for further investigation into the biological world. As a testament to his legacy, Chothia supervised 19 successful PhD students, many of whom have gone on to make significant contributions to the field. Chothia's work serves as a reminder of the power of fundamental research and its potential to transform our understanding of the world around us. His legacy continues to inspire future generations of scientists, who will build upon his pioneering work to uncover the secrets of the biological world.