MetaCyc vs. KEGG

I carried out a HUMAnN 3 analysis which, by default, relies on MetaCyc database. My collaborator asked me if I could do a KEGG pathway analysis instead. I think I could based on the documentation I read, but what are the advantages and disadvantages of each? I wonder if changing my pipeline is worthwhile.

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The MetaCyc authors offer a comparison with KEGG in their 2020 update paper that might be of use to you:

Excellent recommendation. Thank you.

We have a more recent and more detailed comparison of KEGG and BioCyc here:
https://bioinformatics.ai.sri.com/biocyc/kegg-biocyc-2023-03.pdf

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