I am looking to incorporate a unnatural amino acids which is not available in the swisssidechain database into a protein crystal structure of pdb?
I am using chimera 1.14 vis. tool?
If the non-natural amino acid is similar to any of the available ones, use the most similar one as a template and modify it.
maestro by schrodinger has a large choice of unnatural aminoacids. you should be able to use just the editor if you don't have the full license.
You can use Academic Version of Maestro (Schrodinger) software to mutate/add existing amino acid with unnatural amino acid.
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