G-proteins play central role in various signalling pathways involved in vision, taste, oflaction, muscle contraction and neurotransmission. G-proteins regulate these signalling pathways by switching between 'active' and 'inactive' states, dictated by the type nucleotide bound to their active site. When bound to gaunosine dinucleotide (GDP), G-proteins adopt inactive state. Dissociation of GDP and subsequent binding of gaunosine trinucleotide (GTP) activates G-proteins, which in turn activate downstream signalling pathways. GDP dissociation is the rate limiting step in activation of G-proteins and misregulation of this process can often lead to disease conditions. in this project, we are studying the mechanism of GDP dissociation process.
List of Contributors
This project is managed by Neha Vithani at Washington University in St. Louis.
Neha is a postdoc at Washington University School of Medicine in St. Louis in Greg Bowman's lab.
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