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Why are there Ns in sequences in GenBank, example: NW_001149201?

April 26, 2017GenBank sequences

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Why are there Ns in sequences in GenBank, example: NW_001149201?

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The N’s represent a gap in a contig sequence such as a Whole Genome Shotgun (WGS) sequence. An expand N’s link may be clicked, to ‘uncompress the N’s’ in order to see the entire sequence including the gap N’s.