Cation-? interaction is a noncovalent molecular interaction between the face of an electron-rich ? system (e.g. benzene, ethylene) with an adjacent cation (e.g.
http://en.wikipedia.org/wiki/Cation-pi_interaction

Human Growth Hormone Bound To Single Receptor. PDB: 1A22. TYR-422 and ARG-413. This interaction helps stabilize the tertiary structure of the receptor.
http://campus.murraystate.edu/academic/faculty/ricky.cox/pi/330/cation-pi.htm

The Search for Noncovalent Interactions. Molecular Visualization of Proteins and Protein Complexes
http://campus.murraystate.edu/academic/faculty/ricky.cox/pi/pi_inter.htm

Supplement: Aromatic Amino Acids and Related Substances: Chemistry, Biology, Medicine, and Application: SESSION 1 Cation-Interactions Involving Aromatic Amino Acids 1?4,
http://jn.nutrition.org/cgi/content/full/137/6/1504S

Cation? interactions studied in a model coiled-coil peptide Morris M. Slutsky and E. Neil G. Marsh. Department of Chemistry and Division of Biophysics, University of Michigan ...
http://www.proteinscience.org/cgi/content/abstract/13/8/2244

Abstract: Attractive interactions between a thiocarbonyl group and a pyridinium nucleus, and between a carbonyl group and a pyridinium nucleus have been proven by 1 H and 13 C NMR ...
http://pubs.acs.org/cgi-bin/abstract.cgi/jacsat/2004/126/i31/abs/ja0490119.html

Abstract: Relative interaction strengths between cations (X = Li +, Na +, K +, NH 4 +) and anionic carboxylate groups of acetate and glycine in aqueous solution are determined.
http://pubs.acs.org/cgi-bin/abstract.cgi/jpcbfk/asap/abs/jp805177v.html

Cation-p Interactions Snapshots. Background; Pros & Cons of Protein Explorer's Cation-Pi Display; Interesting Examples and Gallery; Tutorials:
http://www.umass.edu/microbio/chime/pe_beta/pe/protexpl/cationpi.htm

The cation-? interaction is a noncovalent binding force of broad importance in biological systems and in supramolecular chemistry. ... To contact Dekker customer service by phone ...
http://www.dekker.com/sdek/256364421-72236490/abstract~db=enc~content=a713539075~words=

Abstract The cation-? interaction is a general, strong ... potential than can bind to a wide range of cations through a predominantly electrostatic ... overview, the fundamental ...
http://www.encyclopedia.com/doc/1E1-cation.html

Originally published In Press as doi:10.1074/jbc.M309771200 on November 11, 2003. J. Biol. Chem., Vol. 279, Issue 7, 5588-5596, February 13, 2004
http://www.jbc.org/cgi/content/full/279/7/5588

Voltage-gated sodium channels control the upstroke of the action potential in excitable cells of nerve and muscle tissue, making them ideal targets for exogenous toxins that aim to ...
http://authors.library.caltech.edu/7625/

Open-channel blockers such as tetraethylammonium (TEA) have a long history as probes of the permeation pathway of ion channels. High affinity blockade by extracellular TEA requires ...
http://authors.library.caltech.edu/6628/

this is a very valuable book that develops the HS-cation interaction in a comprehensive way. The well-developed structure of the book explores the most general information as well ...
http://www.cambridge.org/us/catalogue/catalogue.asp?isbn=9780511035142

Amazon.com: [.sup.31]P NMR study of GTP-cation interactions.(nuclear magnetic resonance): An article from: Georgia Journal of Science: Zhiyan Song, Destiny L. Allen, Olarongbe ...
http://www.amazon.com/sup-31-GTP-cation-interactions-magnetic-resonance/dp/B000FI93H8

Published online Nov 27 2006. doi:10.1085/jgp.200609654 The Rockefeller University Press, 0022-1295 $8.00 JGP, Volume 128, Number 6, 649-657
http://www.jgp.org/cgi/content/abstract/128/6/649

For details on how to be removed from this list visit the *** *** CCP4 home page http://www.dl.ac.uk/CCP/CCP4/main.html *** Dear CCP4bb members I am refining a protein ...
http://www.ysbl.york.ac.uk/ccp4bb/2000/msg00121.html

Receptor-Bound Conformation of ?-Peptide of Transducin (G_t)is not Stabilized by a "?-Cation" Interaction but by Constrained Lactam Bridges between Residues 341 and 350 (2001) ...
http://citeseer.ist.psu.edu/sha01receptorbound.html

Published in J. Environ. Qual. 33:276-284 (2004). © ASA, CSSA, SSSA 677 S. Segoe Rd., Madison, WI 53711 USA TECHNICAL REPORTS Organic Compounds in the Environment
http://jeq.scijournals.org/cgi/content/abstract/33/1/276

Abstract: Noncovalent interactions, such as van der Waals interactions, hydrogen bonds, salt bridge and cation-? interactions play extremely important roles in biological systems ...
http://feeds.acs.org/~r/acs/jacsat/~3/377826913/ja802117s.html