NM_005633.4(SOS1):c.280A>G (p.Ile94Val) AND RASopathy

Germline classification:: Likely benign (2 submissions)
Last evaluated:: Apr 18, 2017
Review status:: 3 stars out of maximum of 4 stars
reviewed by expert panel

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:: RCV000523770.6

Allele description [Variation Report for NM_005633.4(SOS1):c.280A>G (p.Ile94Val)]

NM_005633.4(SOS1):c.280A>G (p.Ile94Val)

Gene:

SOS1:SOS Ras/Rac guanine nucleotide exchange factor 1 [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

2p22.1

Genomic location:

Preferred name:

NM_005633.4(SOS1):c.280A>G (p.Ile94Val)

Other names:

NM_005633.3(SOS1):c.280A>G

HGVS:

NC_000002.12:g.39058738T>C
NG_007530.1:g.66726A>G
NM_001382394.1:c.259A>G
NM_001382395.1:c.280A>G
NM_005633.4:c.280A>GMANE SELECT
NP_001369323.1:p.Ile87Val
NP_001369324.1:p.Ile94Val
NP_005624.2:p.Ile94Val
NP_005624.2:p.Ile94Val
LRG_754t1:c.280A>G
LRG_754:g.66726A>G
LRG_754p1:p.Ile94Val
NC_000002.11:g.39285879T>C
NC_000002.11:g.39285879T>C
NM_005633.3:c.280A>G

Protein change:

I87V

Links:

dbSNP: rs144757941

NCBI 1000 Genomes Browser:

rs144757941

Molecular consequence:

NM_001382394.1:c.259A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_001382395.1:c.280A>G - missense variant - [Sequence Ontology: SO:0001583]
NM_005633.4:c.280A>G - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: RASopathy
Synonyms:: rasopathies; Noonan spectrum disorder
Identifiers:: MONDO: MONDO:0021060; MedGen: C5555857

Recent activity

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Homo sapiens SMEK homolog 2, suppressor of mek1 (Dictyostelium), mRNA (cDNA clon...
Homo sapiens SMEK homolog 2, suppressor of mek1 (Dictyostelium), mRNA (cDNA clone IMAGE:5521658), with apparent retained intron
gi|21619125|gb|BC032531.1|

Nucleotide
Mus musculus protocadherin alpha 2, mRNA (cDNA clone MGC:176352 IMAGE:9056003), ...
Mus musculus protocadherin alpha 2, mRNA (cDNA clone MGC:176352 IMAGE:9056003), complete cds
gi|223461502|gb|BC141390.1|

Nucleotide
HAO1 [Myotis lucifugus]
HAO1 [Myotis lucifugus]
Gene ID:102428306

Gene

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000616526	ClinGen RASopathy Variant Curation Expert Panel	reviewed by expert panel (ClinGen RASopathy ACMG Specifications v1)	Likely benign (Apr 18, 2017)	germline	curation	Citation Link,
SCV002213244	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Likely benign (Dec 17, 2023)	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

SCV000616526

ClinGen RASopathy Variant Curation Expert Panel

reviewed by expert panel

(ClinGen RASopathy ACMG Specifications v1)

Likely benign
(Apr 18, 2017)

germline

curation

Citation Link,

SCV002213244

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Likely benign
(Dec 17, 2023)

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, curation

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 ClinGen RASopathy Variant Curation Expert Panel, SCV000616526.4

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

Description

The filtering allele frequency of the c.280A>G (p.Ile94Val) variant in the SOS1 gene is 0.0253% (6/10300) of African chromosomes by the Exome Aggregation Consortium, which is a high enough frequency to be classified as likely benign based on thresholds defined by the ClinGen RASopathy Expert Panel (BS1; PMID:29493581)

#	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

From Labcorp Genetics (formerly Invitae), Labcorp, SCV002213244.3

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

#	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: Sep 29, 2024

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