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GenBank often receives updates to submissions in an unusable or incorrect format. The following information provides the different methods to submit updates to GenBank which will ensure that your update is processed quickly and correctly. Updates should be emailed directly to gb-admin@ncbi.nlm.nih.gov, or sent through Bankit Update, or for large .sqn files through SequinMacroSend.

blue bulletEditing Source Information

Send updates to the source information (i.e. strain, cultivar, country, specimen_voucher) in a two-column tab-delimited table, for example:
acc. num.	strain
AYxxxxxx	82
AYxxxxxy	ABC

blue bulletNucleotide Sequence Update

If you are updating the current nucleotide sequence send the complete new sequence(s) in fasta format:
>AYxxxxxx
cggtaataatggaccttggaccccggcaaagcggagagac
>AYxxxxxy
ggaccttgga ccccggcaaagcggagagaccggtaataat 
Please do not send a list of nucleotide changes.

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] 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.

[b] 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


Please send your request to gb-admin@ncbi.nlm.nih.gov.

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 spread sheet.
Please send your request to gb-admin@ncbi.nlm.nih.gov

blue bulletNetwork Aware Sequin

You can use Network aware Sequin to download your existing record from Entrez and make the necessary changes to that file.
Mail the .sqn file containing the updated version to: gb-admin@ncbi.nlm.nih.gov or submit to us via Bankit Update or SequinMacroSend.

blue bulletSubmitting publication and other general information as text

Please send the revised/new information with the relevant GenBank Accession Numbers to us. You can use BankitUpdate or you can include the information in the text portion of an email or as an attached word document and send it to us at gb-admin@ncbi.nlm.nih.gov.

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Revised May 25, 2007