unanswered Martini tutorials: DNA

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6 months 1 week ago #7279 by ChristinaL
ChristinaL created the topic: Martini tutorials: DNA
Hi there.

I'm doing the DNA Martini tutorial. I am using the martinize-dna.py script. I have used it on the provided .pdb file, to see how it works. I works fine, but when I use my own .pdb file for my project I get the error: ValueError: chr() arg not in range(256). I looked online, and the solution appeared to be running the script using python2. I tried this, and this does not work for either the provided .pdb file or my own .pdb file. It gives the error message: Forcefield 'elnedyn22dna' can not be found. I can see from the script that is uses both martini22dna and elnedyn22dna, and while the first one is provided, I can't find the second one. I have looked everywhere online, with no result. On your site I found ElNeDyn2.1, but this does not work. Is there a way to get the correct force field, or is there another workaround, that might work?

- Christina L.

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