3nk5

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Crystal structure of AqpZ mutant F43W

Structural highlights

3nk5 is a 2 chain structure with sequence from Escherichia coli K-12. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.4Å
Ligands:BOG
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

AQPZ_ECOLI Channel that permits osmotically driven movement of water in both directions. It is involved in the osmoregulation and in the maintenance of cell turgor during volume expansion in rapidly growing cells. It mediates rapid entry or exit of water in response to abrupt changes in osmolarity.[1] [2] [3]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

See Also

References

  1. ↑ Delamarche C, Thomas D, Rolland JP, Froger A, Gouranton J, Svelto M, Agre P, Calamita G. Visualization of AqpZ-mediated water permeability in Escherichia coli by cryoelectron microscopy. J Bacteriol. 1999 Jul;181(14):4193-7. PMID:10400575
  2. ↑ Borgnia MJ, Kozono D, Calamita G, Maloney PC, Agre P. Functional reconstitution and characterization of AqpZ, the E. coli water channel protein. J Mol Biol. 1999 Sep 3;291(5):1169-79. PMID:10518952 doi:http://dx.doi.org/S0022-2836(99)93032-2
  3. ↑ Pohl P, Saparov SM, Borgnia MJ, Agre P. Highly selective water channel activity measured by voltage clamp: analysis of planar lipid bilayers reconstituted with purified AqpZ. Proc Natl Acad Sci U S A. 2001 Aug 14;98(17):9624-9. Epub 2001 Aug 7. PMID:11493683 doi:http://dx.doi.org/10.1073/pnas.161299398

Contents


PDB ID 3nk5

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