NM_020822.3(KCNT1):c.1254A>C (p.Arg418Ser) AND not provided

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: May 17, 2022
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:: RCV001587113.5

Allele description [Variation Report for NM_020822.3(KCNT1):c.1254A>C (p.Arg418Ser)]

NM_020822.3(KCNT1):c.1254A>C (p.Arg418Ser)

Gene:

KCNT1:potassium sodium-activated channel subfamily T member 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

9q34.3

Genomic location:

Preferred name:

NM_020822.3(KCNT1):c.1254A>C (p.Arg418Ser)

HGVS:

NC_000009.12:g.135765677A>C
NG_033070.1:g.68493A>C
NM_001272003.2:c.1119A>C
NM_020822.3:c.1254A>CMANE SELECT
NP_001258932.1:p.Arg373Ser
NP_065873.2:p.Arg418Ser
NC_000009.11:g.138657523A>C
NM_020822.2:c.1254A>C

Protein change:

R373S

Links:

dbSNP: rs1440098446

NCBI 1000 Genomes Browser:

rs1440098446

Molecular consequence:

NM_001272003.2:c.1119A>C - missense variant - [Sequence Ontology: SO:0001583]
NM_020822.3:c.1254A>C - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Synonyms:: none provided
Identifiers:: MedGen: C3661900

Recent activity

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phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein isofo...
phosphatidylinositol 3,4,5-trisphosphate-dependent Rac exchanger 1 protein isoform X1 [Homo sapiens]
gi|2217335728|ref|XP_047296287.1|

Protein

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV001820772	GeneDx	criteria provided, single submitter (GeneDx Variant Classification Process June 2021)	Uncertain significance (May 17, 2022)	germline	clinical testing	Citation Link

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV001820772

GeneDx

criteria provided, single submitter

(GeneDx Variant Classification Process June 2021)

Uncertain significance
(May 17, 2022)

germline

clinical testing

Citation Link

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Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	yes	not provided	not provided	not provided	not provided	not provided	clinical testing

Details of each submission

From GeneDx, SCV001820772.3

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

Description

Not observed in large population cohorts (gnomAD); In silico analysis, which includes protein predictors and evolutionary conservation, supports a deleterious effect; Has not been previously published as pathogenic or benign to our knowledge

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	yes	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Sep 29, 2024

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