NM_198576.4(AGRN):c.3194G>A (p.Gly1065Glu) AND Congenital myasthenic syndrome 8

This record was updated by the submitter. Please see the current version.

Germline classification:: Uncertain significance (1 submission)
Last evaluated:: May 31, 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:: RCV002549843.3

Allele description

NM_198576.4(AGRN):c.3194G>A (p.Gly1065Glu)

Gene:

AGRN:agrin [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

1p36.33

Genomic location:

Preferred name:

NM_198576.4(AGRN):c.3194G>A (p.Gly1065Glu)

HGVS:

NC_000001.11:g.1046679G>A
NG_016346.1:g.31557G>A
NM_001305275.2:c.3194G>A
NM_001364727.2:c.2879G>A
NM_198576.4:c.3194G>AMANE SELECT
NP_001292204.1:p.Gly1065Glu
NP_001351656.1:p.Gly960Glu
NP_940978.2:p.Gly1065Glu
LRG_198:g.31557G>A
NC_000001.10:g.982059G>A
NC_000001.10:g.982059G>A

Protein change:

G1065E

Links:

dbSNP: rs1570225219

NCBI 1000 Genomes Browser:

rs1570225219

Molecular consequence:

NM_001305275.2:c.3194G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_001364727.2:c.2879G>A - missense variant - [Sequence Ontology: SO:0001583]
NM_198576.4:c.3194G>A - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Congenital myasthenic syndrome 8
Synonyms:: MYASTHENIC SYNDROME, CONGENITAL, DUE TO AGRIN DEFICIENCY; Myasthenic syndrome, congenital, 8, with pre- and postsynaptic defects
Identifiers:: MONDO: MONDO:0014052; MedGen: C3808739; Orphanet: 590; OMIM: 615120

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV003513869	Invitae	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (May 31, 2022)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV003513869

Invitae

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(May 31, 2022)

germline

clinical testing

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

Help

Summary from all submissions

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

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Invitae, SCV003513869.2

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

Description

This variant is not present in population databases (gnomAD no frequency). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). ClinVar contains an entry for this variant (Variation ID: 806027). This variant has not been reported in the literature in individuals affected with AGRN-related conditions. This sequence change replaces glycine, which is neutral and non-polar, with glutamic acid, which is acidic and polar, at codon 1065 of the AGRN protein (p.Gly1065Glu).

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

Last Updated: Aug 4, 2024

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