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NM_172107.4(KCNQ2):c.1749G>C (p.Lys583Asn) AND Developmental and epileptic encephalopathy, 7

Germline classification:
Likely pathogenic (1 submission)
Last evaluated:
May 13, 2021
Review status:
1 star out of maximum of 4 stars
criteria provided, single submitter
Somatic classification
of clinical impact:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Somatic classification
of oncogenicity:
None
Review status:
(0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided
Record status:
current
Accession:
RCV001420161.2

Allele description [Variation Report for NM_172107.4(KCNQ2):c.1749G>C (p.Lys583Asn)]

NM_172107.4(KCNQ2):c.1749G>C (p.Lys583Asn)

Gene:
KCNQ2:potassium voltage-gated channel subfamily Q member 2 [Gene - OMIM - HGNC]
Variant type:
single nucleotide variant
Cytogenetic location:
20q13.33
Genomic location:
Preferred name:
NM_172107.4(KCNQ2):c.1749G>C (p.Lys583Asn)
HGVS:
  • NC_000020.11:g.63413464C>G
  • NG_009004.2:g.64177G>C
  • NM_001382235.1:c.1695G>C
  • NM_004518.6:c.1665G>C
  • NM_172106.3:c.1695G>C
  • NM_172107.4:c.1749G>CMANE SELECT
  • NM_172108.5:c.1656G>C
  • NP_001369164.1:p.Lys565Asn
  • NP_004509.2:p.Lys555Asn
  • NP_742104.1:p.Lys565Asn
  • NP_742105.1:p.Lys583Asn
  • NP_742106.1:p.Lys552Asn
  • NC_000020.10:g.62044817C>G
Protein change:
K552N
Links:
dbSNP: rs2145541173
NCBI 1000 Genomes Browser:
rs2145541173
Molecular consequence:
  • NM_001382235.1:c.1695G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_004518.6:c.1665G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_172106.3:c.1695G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_172107.4:c.1749G>C - missense variant - [Sequence Ontology: SO:0001583]
  • NM_172108.5:c.1656G>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:
Developmental and epileptic encephalopathy, 7 (DEE7)
Synonyms:
Early infantile epileptic encephalopathy 7; KCNQ2-Related Neonatal Epileptic Encephalopathy
Identifiers:
MONDO: MONDO:0013387; MedGen: C3150986; Orphanet: 439218; OMIM: 613720

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Assertion and evidence details

Help
Submission AccessionSubmitterReview Status
(Assertion method)		Clinical Significance
(Last evaluated)		OriginMethodCitations
SCV001622430Genetics and Prenatal Diagnosis Center, The First Affiliated Hospital of Zhengzhou University
criteria provided, single submitter

(ACMG Guidelines, 2015)		Likely pathogenic
(May 13, 2021) 		de novoclinical testing

PubMed (1)
[See all records that cite this PMID]

Help

Summary from all submissions

EthnicityOriginAffectedIndividualsFamiliesChromosomes testedNumber TestedFamily historyMethod
not providedde novoyesnot providednot providednot providednot providednot providedclinical testing

Citations

PubMed

Standards and guidelines for the interpretation of sequence variants: a joint consensus recommendation of the American College of Medical Genetics and Genomics and the Association for Molecular Pathology.

Richards S, Aziz N, Bale S, Bick D, Das S, Gastier-Foster J, Grody WW, Hegde M, Lyon E, Spector E, Voelkerding K, Rehm HL; ACMG Laboratory Quality Assurance Committee..

Genet Med. 2015 May;17(5):405-24. doi: 10.1038/gim.2015.30. Epub 2015 Mar 5.

PubMed [citation]
PMID:
25741868
PMCID:
PMC4544753

Details of each submission

From Genetics and Prenatal Diagnosis Center, The First Affiliated Hospital of Zhengzhou University, SCV001622430.1

#EthnicityIndividualsChromosomes TestedFamily HistoryMethodCitations
1not providednot providednot providednot providedclinical testing PubMed (1)
#SampleMethodObservation
OriginAffectedNumber testedTissuePurposeMethodIndividualsAllele frequencyFamiliesCo-occurrences
1de novoyesnot providednot providednot providednot providednot providednot providednot provided

Last Updated: Mar 5, 2024