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Frequently asked questions
Our Scientific Applications Support team has assembled a list of frequently asked questions to help you find answers quickly. Filter using one or more categories to focus on specific topics, or use the search bar to perform a text search.
Why does the sequence data for my custom gene have errors?
Even with clonally pure samples, NGS traces rarely show 100% sequence identity. This is because errors do occur during sequencing reactions and the subsequent data analysis.
These error rates are typically between 0.1% and 0.01%, but they can be locally elevated in regions of extreme GC content or secondary structure. Misalignment of the traces can also occur, particularly in highly repetitive sequences.
Finally, small subpopulations of sequence variants can arise during propagation of E. coli.
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Genes & gene fragments*RUO—For research use only. Not for use in diagnostic procedures. Unless otherwise agreed to in writing, IDT does not intend for these products to be used in clinical applications and does not warrant their fitness or suitability for any clinical diagnostic use. Purchaser is solely responsible for all decisions regarding the use of these products and any associated regulatory or legal obligations.