2jp3

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Solution Structure of the human FXYD4 (CHIF) protein in SDS micellesSolution Structure of the human FXYD4 (CHIF) protein in SDS micelles

Structural highlights

2jp3 is a 1 chain structure with sequence from Rattus norvegicus. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:Solution NMR
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

FXYD4_RAT Induces a potassium channel when expressed in Xenopus oocytes.

Evolutionary Conservation

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

Publication Abstract from PubMed

The anisotropic spin interactions measured for membrane proteins in weakly oriented micelles and in oriented lipid bilayers provide independent and potentially complementary high-resolution restraints for structure determination. Here we show that the membrane protein CHIF adopts a similar structure in lipid micelles and bilayers, allowing the restraints from micelle and bilayer samples to be combined in a complementary fashion to enhance the structural information. Back-calculation and assignment of the NMR spectrum of CHIF in oriented lipid bilayers, from the structure determined in micelles, provides additional restraints for structure determination as well as the global orientation of the protein in the membrane. The combined use of solution and solid-state NMR restraints also affords cross-validation for the structural analysis.

Structural similarity of a membrane protein in micelles and membranes.,Franzin CM, Teriete P, Marassi FM J Am Chem Soc. 2007 Jul 4;129(26):8078-9. doi: 10.1021/ja0728371. Epub 2007 Jun , 13. PMID:17567018[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

  1. Franzin CM, Teriete P, Marassi FM. Structural similarity of a membrane protein in micelles and membranes. J Am Chem Soc. 2007 Jul 4;129(26):8078-9. Epub 2007 Jun 13. PMID:17567018 doi:10.1021/ja0728371
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