VCV000988429.9 - ClinVar

NM_177559.3(CSNK2A1):c.583C>T (p.Arg195Ter)

Germline

Classification

criteria provided, conflicting classifications. Learn more about how ClinVar calculates review status.

Conflicting classifications of pathogenicity
Likely pathogenic(3); Uncertain significance(1)

4 out of 4 submissions contributed to this classification

The aggregate germline classification for this variant, typically for a monogenic or Mendelian disorder as in the ACMG/AMP guidelines, or for response to a drug. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the aggregate classification.

Somatic

No data submitted for somatic clinical impact

Somatic

No data submitted for oncogenicity

Variant Details

Identifiers

NM_177559.3(CSNK2A1):c.583C>T (p.Arg195Ter)

Variation ID: 988429 Accession: VCV000988429.9

Type and length

single nucleotide variant, 1 bp

Location

Cytogenetic: 20p13 20: 492292 (GRCh38) [ NCBI UCSC ] 20: 472936 (GRCh37) [ NCBI UCSC ]

Timeline in ClinVar

	First in ClinVar Help The date this variant first appeared in ClinVar with each type of classification.	Last submission Help The date of the most recent submission for each type of classification for this variant.	Last evaluated Help The most recent date that a submitter evaluated this variant for each type of classification.
Germline	Dec 11, 2020	Dec 27, 2025	Dec 18, 2025

HGVS

Nucleotide	Protein	Molecular consequence
NM_177559.3:c.583C>T MANE Select Help Transcripts from the Matched Annotation from the NCBI and EMBL-EBI (MANE) collaboration.	NP_808227.1:p.Arg195Ter	nonsense
NM_001362770.2:c.583C>T	NP_001349699.1:p.Arg195Ter	nonsense
NM_001362771.2:c.583C>T	NP_001349700.1:p.Arg195Ter	nonsense
NM_001895.4:c.583C>T	NP_001886.1:p.Arg195Ter	nonsense
NM_177560.2:c.175C>T
NM_177560.3:c.175C>T	NP_808228.1:p.Arg59Ter	nonsense
NC_000020.11:g.492292G>A
NC_000020.10:g.472936G>A
NG_011970.2:g.56547C>T

... more HGVS ... less HGVS

Protein change

R195*, R59*

Other names

Canonical SPDI

NC_000020.11:492291:G:A

Global minor allele frequency (GMAF) Help The global minor allele frequency calculated by the 1000 Genomes Project. The minor allele at this location is indicated in parentheses and may be different from the allele represented by this VCV record.

Allele frequency Help The frequency of the allele represented by this VCV record.

Trans-Omics for Precision Medicine (TOPMed) 0.00000

Links

ClinGen: CA310634979 dbSNP: rs1034583315 VarSome

Genes

Gene	OMIM	ClinGen Gene Dosage Sensitivity Curation		Variation Viewer Help Links to Variation Viewer, a genome browser to view variation data from NCBI databases.	Related variants
Gene	OMIM	HI score Help The haploinsufficiency score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team.	TS score Help The triplosensitivity score for the gene, curated by ClinGen’s Dosage Sensitivity Curation task team.		Within gene Help The number of variants in ClinVar that are contained within this gene, with a link to view the list of variants.	All Help The number of variants in ClinVar for this gene, including smaller variants within the gene and larger CNVs that overlap or fully contain the gene.
CSNK2A1		Little evidence for dosage pathogenicity	No evidence available	GRCh38 GRCh37	264	344

Conditions - Germline

Condition Help The condition for this variant-condition (RCV) record in ClinVar.	Classification Help The aggregate germline classification for this variant-condition (RCV) record in ClinVar. The number of submissions that contribute to this aggregate classification is shown in parentheses. (# of submissions)	Review status Help The aggregate review status for this variant-condition (RCV) record in ClinVar. This value is calculated by NCBI based on data from submitters. Read our rules for calculating the review status.	Last evaluated Help The most recent date that a submitter evaluated this variant for the condition.	Variation/condition record Help The RCV accession number, with most recent version number, for the variant-condition record, with a link to the RCV web page.
not provided	Conflicting classifications of pathogenicity (2)	criteria provided, conflicting classifications	Dec 18, 2025	RCV001269781.9
Autism spectrum disorder	Likely pathogenic (1)	criteria provided, single submitter	-	RCV003127746.2
Okur-Chung neurodevelopmental syndrome	Likely pathogenic (1)	criteria provided, single submitter	Aug 26, 2024	RCV004698432.1

Submissions - Germline

Classification Help The submitted germline classification for each SCV record. (Last evaluated)	Review status Help Stars represent the review status, or the level of review supporting the submitted (SCV) record. This value is calculated by NCBI based on data from the submitter. Read our rules for calculating the review status. This column also includes a link to the submitter’s assertion criteria if provided, and the collection method. (Assertion criteria)	Condition Help The condition for the classification, provided by the submitter for this submitted (SCV) record. This column also includes the affected status and allele origin of individuals observed with this variant.	Submitter Help The submitting organization for this submitted (SCV) record. This column also includes the SCV accession and version number, the date this SCV first appeared in ClinVar, and the date that this SCV was last updated in ClinVar.	Expand all rows Collapse all rows Help This column includes more information supporting the classification, including citations, the comment on classification, and detailed evidence provided as observations of the variant by the submitter.
Likely pathogenic (Nov 07, 2018) C Contributing to aggregate classification	criteria provided, single submitter (ACMG Guidelines, 2015)	not provided	Clinical Genetics and Genomics, Karolinska University Hospital Accession: SCV001450036.1 First in ClinVar: Dec 11, 2020 Last updated: Dec 11, 2020	Observation: 1 Collection method: clinical testing Allele origin: germline Affected status: yes more Observation 1 Collection method: clinical testing Allele origin: germline Affected status: yes Number of individuals with the variant: 1

Likely pathogenic (Aug 26, 2024) C Contributing to aggregate classification	criteria provided, single submitter (ACMG Guidelines, 2015)	Okur-Chung neurodevelopmental syndrome (Autosomal dominant inheritance)	Institute of Medical Genetics and Applied Genomics, University Hospital Tübingen Accession: SCV005199952.1 First in ClinVar: Sep 01, 2024 Last updated: Sep 01, 2024	Observation: 1 Collection method: clinical testing Allele origin: germline Affected status: yes more Observation 1 Collection method: clinical testing Allele origin: germline Affected status: yes Clinical Features: Microcephaly (present) , Delayed speech and language development (present) , Seizure (present) , Hypotonia (present) , Global developmental delay (present) , Motor delay (present) , Short stature (present) , EEG with frontal focal spike waves (present) , Impaired continence (present) , Obstipation (present)

Likely pathogenic (-) C Contributing to aggregate classification	criteria provided, single submitter (ACMG Guidelines, 2015)	Autism spectrum disorder	Department of Genetics, Rouen University Hospital, Normandy Center for Genomic and Personalized Medicine Accession: SCV003804093.2 First in ClinVar: Feb 18, 2023 Last updated: Apr 13, 2025	Observation: 1 Collection method: clinical testing Allele origin: de novo Affected status: yes more Observation 1 Collection method: clinical testing Allele origin: de novo Affected status: yes Sex: female

Uncertain significance (Dec 18, 2025) C Contributing to aggregate classification	criteria provided, single submitter (GeneDx Variant Classification Process June 2021)	Not Provided	GeneDx Accession: SCV001817911.3 First in ClinVar: Sep 08, 2021 Last updated: Dec 27, 2025	Comment: show Identified in an individual with a neurodevelopmental disorder, but segregation was unknown and detailed clinical information was not provided (PMID: 33004838); Nonsense variant predicted to result in protein truncation or nonsense mediated decay in a gene for which loss of function is a known mechanism of disease; This variant is associated with the following publications: (PMID: 33004838) (less) Observation: 1 Collection method: clinical testing Allele origin: germline Affected status: yes Observation 1 Collection method: clinical testing Allele origin: germline Affected status: yes

Comment:

Identified in an individual with a neurodevelopmental disorder, but segregation was unknown and detailed clinical information was not provided (PMID: 33004838); Nonsense variant predicted to result in protein truncation or nonsense mediated decay in a gene for which loss of function is a known mechanism of disease; This variant is associated with the following publications: (PMID: 33004838)

Citations for germline classification of this variant

There are no citations for germline classification of this variant in ClinVar. If you know of citations for this variation, please consider submitting that information to ClinVar.

Text-mined citations for rs1034583315 ...

These citations are identified by LitVar using the rs number, so they may include citations for more than one variant at this location. Please review the LitVar results carefully for your variant of interest.

Record last updated Dec 27, 2025