VCV000478325.22 - ClinVar

NM_203446.3(SYNJ1):c.1119-8G>T

Germline

Classification

criteria provided, multiple submitters, no conflicts. Learn more about how ClinVar calculates review status.

Benign
Benign (5)

5 out of 6 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_203446.3(SYNJ1):c.1119-8G>T

Variation ID: 478325 Accession: VCV000478325.22

Type and length

single nucleotide variant, 1 bp

Location

Cytogenetic: 21q22.11 21: 32684127 (GRCh38) [ NCBI UCSC ] 21: 34056437 (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	May 26, 2018	Feb 23, 2026	Jan 28, 2026

HGVS

Nucleotide	Protein	Molecular consequence
NM_203446.3:c.1119-8G>T MANE Select Help Transcripts from the Matched Annotation from the NCBI and EMBL-EBI (MANE) collaboration.		intron variant
NM_001160302.2:c.1119-8G>T		intron variant
NM_001160306.2:c.1119-8G>T		intron variant
NM_003895.4:c.1236-8G>T		intron variant
NC_000021.9:g.32684127C>A
NC_000021.8:g.34056437C>A
NG_030017.2:g.48913G>T

... more HGVS ... less HGVS

Protein change

Other names

p.?

Canonical SPDI

NC_000021.9:32684126:C: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.

0.00579 (A)

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

The Genome Aggregation Database (gnomAD), exomes 0.00040

The Genome Aggregation Database (gnomAD), exomes 0.00100

Exome Aggregation Consortium (ExAC) 0.00129

The Genome Aggregation Database (gnomAD) 0.00429

The Genome Aggregation Database (gnomAD) 0.00462

Trans-Omics for Precision Medicine (TOPMed) 0.00468

NHLBI Exome Sequencing Project (ESP) Exome Variant Server 0.00531

1000 Genomes Project 30x 0.00547

1000 Genomes Project 0.00579

Links

ClinGen: CA10003962 dbSNP: rs138882423 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.
SYNJ1		-	-	GRCh38 GRCh37	1570	1639

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.
Developmental and epileptic encephalopathy, 53 Early-onset Parkinson disease 20	Benign (1)	criteria provided, single submitter	Jan 28, 2026	RCV000548562.13
not specified	Benign (2)	criteria provided, multiple submitters, no conflicts	Apr 21, 2023	RCV001288849.3
not provided	Benign (2)	criteria provided, multiple submitters, no conflicts	Apr 8, 2025	RCV001595020.6
SYNJ1-related disorder	Benign (1)	no assertion criteria provided	Jun 26, 2019	RCV003915655.2

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.
Benign (Aug 10, 2020) C Contributing to aggregate classification	criteria provided, single submitter (Athena Diagnostics Criteria)	not specified	Athena Diagnostics Accession: SCV001476239.1 First in ClinVar: Jan 26, 2021 Last updated: Jan 26, 2021	Observation: 1 Collection method: clinical testing Allele origin: unknown Affected status: unknown Observation 1 Collection method: clinical testing Allele origin: unknown Affected status: unknown

Benign (Sep 16, 2021) C Contributing to aggregate classification	criteria provided, single submitter (GeneDx Variant Classification Process June 2021)	not provided	GeneDx Accession: SCV001829660.3 First in ClinVar: Sep 08, 2021 Last updated: Mar 04, 2023	Observation: 1 Collection method: clinical testing Allele origin: germline Affected status: yes Observation 1 Collection method: clinical testing Allele origin: germline Affected status: yes

Benign (Apr 21, 2023) C Contributing to aggregate classification	criteria provided, single submitter (ACMG Guidelines, 2015)	Not specified	Mayo Clinic Laboratories, Mayo Clinic Accession: SCV007315268.1 First in ClinVar: Jan 17, 2026 Last updated: Jan 17, 2026	Comment: show BS1, BS2, BP4 (less) Observation: 1 Collection method: clinical testing Allele origin: germline Affected status: unknown more Observation 1 Collection method: clinical testing Allele origin: germline Affected status: unknown Number of individuals with the variant: 4

Benign (Apr 08, 2025) C Contributing to aggregate classification	criteria provided, single submitter (ARUP Molecular Germline Variant Investigation Process 2024)	not provided	ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories Accession: SCV007330291.1 First in ClinVar: Jan 24, 2026 Last updated: Jan 24, 2026	Observation: 1 Collection method: clinical testing Allele origin: germline Affected status: unknown Observation 1 Collection method: clinical testing Allele origin: germline Affected status: unknown

Benign (Jan 28, 2026) C Contributing to aggregate classification	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Developmental and epileptic encephalopathy, 53 Early-onset Parkinson disease 20 Explanation for multiple conditions: Uncertain. The variant was classified for several related diseases, possibly a spectrum of disease; the variant may be associated with one or more the diseases.	Labcorp Genetics (formerly Invitae), Labcorp Accession: SCV000660124.10 First in ClinVar: Dec 26, 2017 Last updated: Feb 23, 2026	Observation: 1 Collection method: clinical testing Allele origin: germline Affected status: unknown Observation 1 Collection method: clinical testing Allele origin: germline Affected status: unknown

Benign (Jun 26, 2019) N Not contributing to aggregate classification	no assertion criteria provided	SYNJ1-related condition	PreventionGenetics, part of Exact Sciences Accession: SCV004729182.2 First in ClinVar: Mar 16, 2024 Last updated: Oct 08, 2024	Comment: show This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). (less) Observation: 1 Collection method: clinical testing Allele origin: germline Affected status: unknown Observation 1 Collection method: clinical testing Allele origin: germline Affected status: unknown

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 rs138882423 ...

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 Mar 01, 2026