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@bcov77 was asking about file output formats which effectively embed the params file definitions of non-standard residues. Theoretically mmCIF format can handle this, though we don't currently have support for that.

This PR is a step in that direction, adding an mmCIF output writer for small molecule information. The outputs should adhere to the the CCD format, as well as the format of small molecule information embedded within the wwPDB mmCIF files.

It doesn't contain all the relevant Rosetta information for fully round-tripping params files, but it should contain the major atom/bond features. Additionally, right now this is only hooked into the restype_converter application, though it should be possible to later integrate it with the general mmCIF structure output.

@roccomoretti roccomoretti requested a review from woodsh17 October 10, 2025 17:44
@roccomoretti roccomoretti added ready_for_review This PR is ready to be reviewed and merged. 90 standard tests labels Oct 10, 2025
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