chr14-50145232-C-T

Variant summary

Our verdict is Benign. The variant received -16 ACMG points: 0P and 16B. BP4_StrongBP6_Very_StrongBS2

The NM_006939.4(SOS2):​c.2605G>A​(p.Val869Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000129 in 1,610,334 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V869A) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00015 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00013 ( 1 hom. )

Consequence

SOS2
NM_006939.4 missense

Scores

2
4
13

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:6

Conservation

PhyloP100: 7.85
Variant links:
Genes affected
SOS2 (HGNC:11188): (SOS Ras/Rho guanine nucleotide exchange factor 2) This gene encodes a regulatory protein that is involved in the positive regulation of ras proteins. Mutations in this gene are associated with Noonan Syndrome-9. [provided by RefSeq, Jul 2016]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -16 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.033977717).
BP6
Variant 14-50145232-C-T is Benign according to our data. Variant chr14-50145232-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 578603.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS2
High AC in GnomAd4 at 23 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SOS2NM_006939.4 linkc.2605G>A p.Val869Ile missense_variant Exon 16 of 23 ENST00000216373.10 NP_008870.2 Q07890-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SOS2ENST00000216373.10 linkc.2605G>A p.Val869Ile missense_variant Exon 16 of 23 1 NM_006939.4 ENSP00000216373.5 Q07890-1
SOS2ENST00000543680.5 linkc.2506G>A p.Val836Ile missense_variant Exon 15 of 22 1 ENSP00000445328.1 Q07890-2

Frequencies

GnomAD3 genomes
AF:
0.000151
AC:
23
AN:
152054
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00461
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000882
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000267
AC:
67
AN:
251052
AF XY:
0.000236
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000579
Gnomad ASJ exome
AF:
0.00427
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000167
Gnomad OTH exome
AF:
0.000491
GnomAD4 exome
AF:
0.000127
AC:
185
AN:
1458280
Hom.:
1
Cov.:
30
AF XY:
0.000110
AC XY:
80
AN XY:
725772
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33384
American (AMR)
AF:
0.0000671
AC:
3
AN:
44692
Ashkenazi Jewish (ASJ)
AF:
0.00364
AC:
95
AN:
26106
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39598
South Asian (SAS)
AF:
0.0000348
AC:
3
AN:
86120
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53410
Middle Eastern (MID)
AF:
0.000695
AC:
4
AN:
5754
European-Non Finnish (NFE)
AF:
0.0000604
AC:
67
AN:
1108946
Other (OTH)
AF:
0.000216
AC:
13
AN:
60270
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.455
Heterozygous variant carriers
0
9
17
26
34
43
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
4
8
12
16
20
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.000151
AC:
23
AN:
152054
Hom.:
0
Cov.:
32
AF XY:
0.000148
AC XY:
11
AN XY:
74270
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41390
American (AMR)
AF:
0.0000655
AC:
1
AN:
15264
Ashkenazi Jewish (ASJ)
AF:
0.00461
AC:
16
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5188
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4824
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10584
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000882
AC:
6
AN:
68012
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.473
Heterozygous variant carriers
0
2
3
5
6
8
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000296
Hom.:
0
Bravo
AF:
0.000125
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000222
AC:
27
EpiCase
AF:
0.000218
EpiControl
AF:
0.000415

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:6
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Noonan syndrome 9 Benign:3
-
Genome-Nilou Lab
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Mar 31, 2022
Department of Pathology and Laboratory Medicine, Sinai Health System
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:research

- -

Jan 05, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not specified Benign:2
Feb 16, 2025
Laboratory of Genetics, Children's Clinical University Hospital Latvia
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Aug 20, 2022
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

SOS2-related disorder Benign:1
May 16, 2019
PreventionGenetics, part of Exact Sciences
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

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). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.25
T
BayesDel_noAF
Benign
-0.34
CADD
Uncertain
25
DANN
Uncertain
0.99
DEOGEN2
Benign
0.26
T;.
Eigen
Uncertain
0.28
Eigen_PC
Uncertain
0.38
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Pathogenic
0.98
D;D
M_CAP
Benign
0.0091
T
MetaRNN
Benign
0.034
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.7
L;.
PrimateAI
Uncertain
0.60
T
PROVEAN
Benign
-0.57
N;N
REVEL
Benign
0.12
Sift
Benign
0.19
T;T
Sift4G
Benign
0.19
T;T
Polyphen
0.81
P;.
Vest4
0.62
MVP
0.29
MPC
0.44
ClinPred
0.069
T
GERP RS
4.7
Varity_R
0.14
gMVP
0.30
Mutation Taster
=96/4
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs373143128; hg19: chr14-50611950; API