Sequence Variant Nomenclature
What is the sequence variant nomenclature?
These pages summarise HGVS-nomenclature: the recommendations for the description of sequence variants. HGVS-nomenclature is used to report and exchange information regarding variants found in DNA, RNA and protein sequences and serves as an international standard. When using the recommendations please cite: HGVS recommendations for the description of sequence variants - 2016 update, Den Dunnen et al. 2016, Hum.Mutat. 37:564-569. HGVS-nomenclature is authorised by the Human Genome Variation Society (HGVS), the Human Variome Project (HVP) and the HUman Genome Organization (HUGO).
Recent Additions
Proposal SVD-WG009 (conversion) has been accepted. An overview of recent additions, especially those that led to a change of the HGVS version number, can be found on the Versioning page. The HGVS nomenclature facebook page regularly posts topics of interest, including Q&A’s and a nomenclature agenda.
Contact Us
Discussions regarding HGVS nomenclature are necessary in order to further improve them. What is listed on these pages represents the current consensus of the recommendations. We invite everybody to send us question, comments or examples of cases that are not yet covered, with a suggestion of how to describe these ( E-mail: VarNomen @ HGVS.org). For specific questions, do not forget to mention the reference sequence used!
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