Rename an existing BLAST database
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3.8 years ago
cmdcolin ★ 1.5k

Is it possible to rename an existing BLAST database using the NCBI command line tools?

blast • 1.1k views
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3.8 years ago
st.ph.n ★ 2.6k
makeblastdb -in input_file.fasta -dbtype prot/nucl -out desired_name.fasta

USAGE
  makeblastdb [-h] [-help] [-in input_file] [-input_type type]
    -dbtype molecule_type [-title database_title] [-parse_seqids]
    [-hash_index] [-mask_data mask_data_files] [-mask_id mask_algo_ids]
    [-mask_desc mask_algo_descriptions] [-gi_mask]
    [-gi_mask_name gi_based_mask_names] [-out database_name]
    [-max_file_sz number_of_bytes] [-logfile File_Name] [-taxid TaxID]
    [-taxid_map TaxIDMapFile] [-version]

You can rename the files you have, but make sure you keep the blast extensions, which depend on dbtype.

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My particular case the -title argument was also added to the makeblastdb command, and I was hoping to just simply modify the title that was given to the DB rather than regenerate everything with makeblastdb. In this case renaming the files wouldn't work I think since the -title was used.

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I think there is a bug and so the title usually defaults to the input file name even if you set the -title argument. So, change the name of the input file to the name of the database you want.

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