Please provide the PubMed ID of at least 1 publication that serves as "foundational" support for this ncAA (e.g., a novel synthesis, the first instance of incorporating the ncAA via GCE into proteins, etc.).
You may add as many publications as you need, including published protocols pertaining to this ncAA and/or publications showing the usage of this ncAA for GCE (that is not a "foundational" publication).
If your ncAA does not have a ChEBI ID, please first visit the ChEBI Website, and create a submission. You should receive an active ID after you submit it.