Subgroup Description


The Bioenergetics Subgroup studies cellular and molecular processes associated with mitochondria, chloroplasts, and bacteria linked to metabolic energy transduction. Systems as varied as whole cells, intact organelles, membrane channels, carriers, and redox complexes might be used.

Biological Fluorescence

The Biological Fluorescence Subgroup focuses on the advance of knowledge pertaining to the development of new capabilities in fluorescence. Methodologies, both theoretical and experimental, and applications to derive structural and mechanistic understanding of biological systems can be involved.

Exocytosis & Endocytosis

The Exocytosis & Endocytosis Subgroup promotes research on the molecular and cellular mechanisms of hormone and neurotransmitter release. This subgroup addresses the processes of membrane fusion and fission which are of crucial interest for intracellular membrane trafficking. 

Intrinsically Disordered Proteins (IDP)—

The IDP Subgroup seeks, through the use of biophysical and computational methods, to understand the physical basis for the biological roles of proteins, or protein regions that do not exhibit 3D structure in isolation under physiological conditions. Such proteins, or regions, are said to be intrinsically disordered.

Membrane Biophysics

The Membrane Biophysics Subgroup deals with the functional and regulatory mechanisms of ion transport across biological membranes.

Membrane Structure & Assembly

The Membrane Structure & Assembly Subgroup focuses on the biophysical properties of lipids, lipid assemblies, membrane proteins and lipid-protein interactions generally relevant to biological membranes and their assembly. 

Molecular Biophysics

The Molecular Biophysics Subgroup investigates structures, conformational switching, responses to various imposed perturbations and deformational dynamics of biological macromolecules and their supramolecular assemblies. Measurements of thermodynamics and kinetics as well as uses of theoretical and computational methods for interpretation are addressed.


The Motility Subgroup focuses on the structure, function, and regulation of the motor protein families (myosin, kinesin and dynein) and on the protein tracks along which they move (actin filaments, microtubules) to generate muscle contraction, cell motility, and intracellular movement. 

Permeation & Transport

The Permeation Transport Subgroup fosters the study of biophysical mechanisms of permeation and transport of small molecules and biopolymers through. cell membranes.

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