What about to do a cartesian morphing with the mutated residue added (or removed) atoms having initial ( or final) coordinates taken from previous common atom? Will work? Coloring may be a factor... but with a manual editing perhaps...

you mean, for instance, if you have an Ala->Trp you call the ala 'trp', add all missing 'trp' side-chain atoms and put them on top of the CB, and then morph to the real trp, so the additional side-chain atoms will slowly "explode" out of the CB and towards their final positions? (and for a Trp->Ala mutation you could do the same thing of course, but the extra side-chain atoms would then be "sucked up" by the CB like a black hole) yep, that is a trick that would probably work!

if anyone gets it to work, i would be interested in seeing the result and learning details, so i could add it to the lsqman manual or the morphing tutorial

--dvd

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                        Gerard J.  Kleywegt
    [Research Fellow of the Royal  Swedish Academy of Sciences]
Dept. of Cell & Molecular Biology  University of Uppsala
                Biomedical Centre  Box 596
                SE-751 24 Uppsala  SWEDEN

    http://xray.bmc.uu.se/gerard/  mailto:[EMAIL PROTECTED]
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