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Water and glycerol permeation through the glycerol channel GlpF and the aquaporin family by John K. Lee; Shahram Khademi; William Harries; David Savage; Larry Miercke; Robert M. Stroud is a Physics and Astronomy article available to read on EtoBox.

What is Water and glycerol permeation through the glycerol channel GlpF and the aquaporin family about?

The 2.2 Å resolution crystal structure of GlpF, an E.coli aquaporin that facilitates the flow of glycerol, water and other small solutes, provides much insight into the molecular function and selectivity of aquaporins. Using GlpF and its atomic structure as a paradigm for the ten highly conserved human aquaporins, site-directed mutagenesis has been used to mutate residues that are possibly integral to the structure and function of different aquaporins. X-ray crystallography and other biophysical and molecular simulation methods allows for assessment of these changes at the structural and functional level. Initial attempts to convert the glycerol specific properties of GlpF towards a water specific aquaporin resulted in the shifting of GlpF channel properties towards that of the water aquaporins. This result reveals the great possibility of emulating and deciphering the function of other aquaporins with GlpF via mutagenesis and investigation of structure and function.

Who reads Water and glycerol permeation through the glycerol channel GlpF and the aquaporin family?

Author

John K. Lee; Shahram Khademi; William Harries; David Savage; Larry Miercke; Robert M. Stroud

Publisher

International Union of Crystallography; Blackwell Publishing Inc.; International Union of Crystallography (IUCr) (ISSN 0909-0495)

Published

2003

Language

EN

Field

Physics and Astronomy (Physical Sciences)