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The following information provides the different methods to submit updates to GenBank in order to ensure that your update is processed quickly and correctly. Updates provided in an incorrect format will delay processing. All update files should be saved as plain text.

Do not submit a new Sequin file to update an existing record. However, Sequin can be used in Network aware mode to download your publicly available records for update as described below.

Update files in the formats below should be emailed directly to gb-admin@ncbi.nlm.nih.gov or uploaded using UpdateMacroSend .

blue bulletEditing Source Information

Send updates to the source information (i.e. strain, cultivar, country, specimen_voucher) in a multi-column tab-delimited table, for example:
acc. num.	strain	country
AYxxxx02	82	USA
AYxxxx03	ABC	Canada

blue bulletUpdating Publication Information

Send updates for the publication information as text. Include the GenBank accession number(s) and all relevant publication information. The author lists should be formatted as Last_Name(family name), First_Initial, Middle_Initial. The complete journal name should be included (not the abbreviation).

blue bulletNucleotide Sequence Update

If you are updating the current nucleotide sequence send the complete new sequence(s) in fasta format:
>AYxxxx02
cggtaataatggaccttggaccccggcaaagcggagagac
>AYxxxx03
ggaccttggaccccggcaaagcggagagaccggtaataat 
Please do not send a list of nucleotide changes. Do not include non-IUPAC characters within the sequence. Use n's for unknown nucleotides within the sequence.

blue bulletUpdate features on record without annotation

If you are adding annotation to a record that has none, then send us the features in one of the two following formats:

[a] Tab-delimited 5-column Feature table. For example:

>Feature gb|EFxxxxxx|EFxxxxxx
<1      400     gene
                        gene            ENO1
<1      30      CDS
70      300
                        product         enolase
                        note            homodimer
<1      30      mRNA
70      400
                        product         enolase
<1      30      exon
                        number          1
70      400     exon
                        number          2


[b] Spreadsheet:
accession    Feature    location           product   number    gene   note
EFxxxxxx     CDS        <1..30, 70..300    enolase                    homodimer
             exon       <1..30                       1
             exon       70..400                      2
             mRNA       <1..30, 70..400    enolase	
             gene       <1..400                                 ENO1

The first line of the table must be the header line. The first column must be the accession number; the second column must be the Feature type (e.g. CDS); and the third column must be the nucleotide location of the feature. After the first three columns, feature qualifiers may be listed in any order.


blue bulletUpdate features on record with annotation

If you are updating many features of a record, let us know, and we can send you a tab-delimited 5-column Feature table with the current annotation for you to edit and return to us.
Or you may send us the revised features in a properly formatted spread sheet as shown above.

blue bulletNetwork Aware Sequin

You can use Network aware Sequin to download your existing, public record from Entrez and make the necessary changes to that file. Network aware Sequin should not be used for simple updates such as publication changes or source information changes.

Mail the .sqn file containing the updated version to: gb-admin@ncbi.nlm.nih.gov or submit to us via UpdateMacroSend.




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Revised May 26, 2011