Trends Biochem Sci. 2001 Sep;26(9):521-3.

More hydrogen bonds for the (structural) biologist.

Weiss MS, Brandl M, Sühnel J, Pal D, Hilgenfeld R.

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Institute of Molecular Biotechnology, Beutenbergstr. 11, D-07745 Jena, Germany. msweiss@imb-jena.de

Abstract

Why does a given protein structure form and why is this structure stable? These fundamental biochemical questions remain fascinating and challenging problems because the physical bases of the forces that govern protein structure, stability and folding are still not well understood. Now, a general concept of hydrogen bonding in proteins is emerging. This concept involves not only N-H and O-H donor groups, but also C-H, and not only N and O as acceptor groups, but also pi-systems. We postulate that the incorporation of the entirety of these interactions leads to a more complete description of the problem, and that this could provide new perspectives and possibly new answers.

PMID:: 11551776; [PubMed - indexed for MEDLINE]

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