How to retrieve KO IDs for a list of genes?
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3.3 years ago

Hi, community!!! I have downloaded a list of genes from the MetaCyc database for some bacterial species. I want to find out their respective KO IDs. Can anyone please tell me how can I do that?

Thanks

KEGG database • 1.8k views
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3.3 years ago
Mark ★ 1.6k

There are a lot of ways, but the easiest I have found is to use UniProt to match the genes to KO (or GO) ids. This is assuming your organism(s) are on uniprot and categorised.

Programmatically, you can use R package KEGGREST or Bio.KEGG in python.

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Thanks Mark!!! I have a large list. Can I retrieve the KO IDs as batch?

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Yes, but the KEGG api limits how many you can send in a batch. I can't remember the limit but I think it was in the hundreds

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3.3 years ago
xiaoguang ▴ 160

you can use uniprot https://www.uniprot.org/uploadlists/ Retrieve/ID mapping to get some KO columns. you can also use pir database https://proteininformationresource.org/

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