Taufik Al-Sarraj wrote:
Hello everyone,

I am new to Coot, I am trying to do a DNA mutation but unfortunately i have not been successful. I am using Mutate Residue Range.
The error message i get is

'INFO:: mutate 2  to a ALA
DISASTER! Not all necessary atoms found in residue  2
 CA is missing
 C is missing
 N is missing
failure to get orientation matrix'

I tried the do mutation with a pdb structure from pdb.org <http://pdb.org> 1DGC, and i tried to do a mutation on a dna created using nucgen in amber. Both attempts gave me the error above.

Hello Taufik Al-Sarraj,

Sadly mutate-residue-range is for a protein sequence only currently. It does say this here actually

http://www.ysbl.york.ac.uk/~emsley/coot/doc/coot-scheme.html#SEC13

but not in the user manual (which I will amend shortly).

Now that I look at it, there is no scripting (i.e. ranges) available for nucleic acid mutations. I will make a note to address this lack.

So for you right now it's either a clickfest (using Simple Mutate) or some other program - sorry.

Regards,

Paul.

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