Article,

Janocchio - a Java applet for viewing 3D structures and calculating NMR couplings and NOEs

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Magnetic Resonance in Chemistry, 45 (7): 595--600 (July 2007)
DOI: 10.1002/mrc.2016

Abstract

We present a Java applet, based on the open source Jmol program, which allows the calculation of coupling constants and NOEs from a three-dimensional structure. The program has all the viewing features of Jmol, but adds the capability to calculate both H-H and H-C 3-bond couplings constants. In the case of H-H couplings, the Altona equation is used to perform this. The program also calculates NOEs using the full relaxation matrix approach. All these calculations are driven from a simple point and click interface. The program can calculate values for multi-structure files, and can produce input files for the conformational fitting program NAMFIS.

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