Comments (2)
Hey,
Thank you for your answer and explanations. Then I will try to parse the output to only include my PTM subset
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Hi Jannik,
There's no way to omit certain PTMs or amino acids by changing the config file and, as you noted, a new model would need to be trained from scratch with a subset of the modifications.
A hacky way of avoiding prediction of certain PTMs without retraining could be locally implementing a masking tensor similar to active_mask
in _get_topk_beams()
that would zero out probabilities for a subset of tokens but this is probably non-trivial.
Finally, I suspect inclusion of all default Casanovo PSMs may not hurt de novo sequencing performance much on your dataset based on our observations when developing the model, so maybe you can simply eliminate PTMs that you don't expect to see in the predictions or filter those predictions out entirely, if you haven't tried these already.
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Related Issues (20)
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