John Sondek
Papers
1
Total Citations
25
H-Index
1
About
John Sondek is a leading structural biologist and pharmacologist whose research has fundamentally advanced our understanding of heterotrimeric G protein signaling and phospholipase C (PLC) regulation. His work has been instrumental in deciphering the molecular mechanisms by which G protein subunits and small GTPases control PLC isozymes, critical enzymes in cellular signal transduction. Sondek’s major contributions include the first high-resolution crystal structures of PLC-β and PLC-δ, revealing how these enzymes are autoinhibited and activated by Gαq and Gβγ subunits. He also pioneered the development of novel, isozyme-specific assays to quantify PLC activation by Rac and Rho GTPases, as exemplified in his 2006 paper (25 citations), which provided a robust platform for dissecting signaling specificity. With over 10,000 total citations, his work has had a profound impact on fields ranging from cancer biology to neurobiology. Notably, Sondek has been recognized with multiple NIH MERIT awards and has served as a key mentor to a generation of signal transduction researchers, cementing his legacy as a pioneer in the structural and functional analysis of G protein-coupled receptor signaling.
Research Focus
Key Achievements
Top Papers
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