How can I get a taxid from an assembly id (e.g., GCA_003223415.1 -> 2026742)

Question

[O.rka]

I'm trying to figure out how to go from genbank assembly identifiers to their taxonomy identifier in NCBI.

Is there a flat file I can download somewhere? Nothing seemed to do the trick here: https://ftp.ncbi.nih.gov/pub/taxonomy/accession2taxid/

If possible, I'd rather not download an R package that does this but if that's the only option then that's fine.

Answer 1

[vkkodali_ncbi]

The assembly_summary files located in this FTP path have this information: https://ftp.ncbi.nlm.nih.gov/genomes/ASSEMBLY_REPORTS

Specifically, you should look at the file assembly_summary_genbank.txt

[O.rka]

Incredible, thank you so much.