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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Rhenium-labeled somatostatin analog RC-160. 1H NMR and computer modeling conformational analysis.

The solution conformations of RC-160, cyclic D-Phe1-Cys2-Tyr3-D-Trp4-Lys5-Val6-Cys7+ ++-Trp8-NH2, an analog of the tumor antiproliferatory neuropeptide somatostatin, and RC-160 labeled with rhenium (Re-RC-160), have been determined by using two-dimensional 1H NMR spectroscopy (600 MHz) and restrained molecular dynamics simulations. Re-RC-160 yields the same average solution conformation as does the apo form with an antiparallel beta-sheet fold and a type II' beta-turn centered at D-Trp4-Lys5. These results indicate that the spatial topography of the side chains essential for somatostatin receptor binding is maintained in Re-RC-160.[1]

References

  1. Rhenium-labeled somatostatin analog RC-160. 1H NMR and computer modeling conformational analysis. Varnum, J.M., Thakur, M.L., Schally, A.V., Jansen, S., Mayo, K.H. J. Biol. Chem. (1994) [Pubmed]
 
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