rs375478974

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4BS2

The NM_006939.4(SOS2):​c.3403A>G​(p.Ser1135Gly) variant causes a missense change. The variant allele was found at a frequency of 0.0000157 in 1,590,776 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S1135N) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000015 ( 0 hom. )

Consequence

SOS2
NM_006939.4 missense

Scores

1
9
8

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:4

Conservation

PhyloP100: 6.37

Publications

0 publications found
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]
SOS2 Gene-Disease associations (from GenCC):
  • Noonan syndrome
    Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
  • Noonan syndrome 9
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Ambry Genetics, PanelApp Australia, G2P

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.26805523).
BS2
High AC in GnomAdExome4 at 22 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_006939.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SOS2
NM_006939.4
MANE Select
c.3403A>Gp.Ser1135Gly
missense
Exon 22 of 23NP_008870.2
SOS2
NM_001411020.1
c.3304A>Gp.Ser1102Gly
missense
Exon 21 of 22NP_001397949.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SOS2
ENST00000216373.10
TSL:1 MANE Select
c.3403A>Gp.Ser1135Gly
missense
Exon 22 of 23ENSP00000216373.5
SOS2
ENST00000543680.5
TSL:1
c.3304A>Gp.Ser1102Gly
missense
Exon 21 of 22ENSP00000445328.1
SOS2
ENST00000934708.1
c.3544A>Gp.Ser1182Gly
missense
Exon 23 of 24ENSP00000604767.1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152210
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00
AC:
0
AN:
247262
AF XY:
0.00
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000153
AC:
22
AN:
1438566
Hom.:
0
Cov.:
26
AF XY:
0.0000153
AC XY:
11
AN XY:
716968
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
32840
American (AMR)
AF:
0.00
AC:
0
AN:
43700
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25948
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39444
South Asian (SAS)
AF:
0.00
AC:
0
AN:
84894
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53364
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5726
European-Non Finnish (NFE)
AF:
0.0000174
AC:
19
AN:
1092994
Other (OTH)
AF:
0.0000503
AC:
3
AN:
59656
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.418
Heterozygous variant carriers
0
1
2
3
4
5
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152210
Hom.:
0
Cov.:
31
AF XY:
0.0000269
AC XY:
2
AN XY:
74348
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41460
American (AMR)
AF:
0.00
AC:
0
AN:
15276
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5196
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000441
AC:
3
AN:
68038
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.0000387
Hom.:
0
Bravo
AF:
0.0000302
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

ClinVar submissions as Germline
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
3
-
Noonan syndrome 9 (3)
-
1
-
Cardiovascular phenotype (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Uncertain
0.086
D
BayesDel_noAF
Benign
-0.11
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.31
T
Eigen
Uncertain
0.43
Eigen_PC
Uncertain
0.53
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.88
D
M_CAP
Benign
0.030
D
MetaRNN
Benign
0.27
T
MetaSVM
Uncertain
-0.27
T
MutationAssessor
Benign
1.8
L
PhyloP100
6.4
PrimateAI
Benign
0.46
T
PROVEAN
Benign
-1.5
N
REVEL
Uncertain
0.34
Sift
Uncertain
0.022
D
Sift4G
Uncertain
0.058
T
Polyphen
0.85
P
Vest4
0.26
MVP
0.67
MPC
0.45
ClinPred
0.90
D
GERP RS
5.9
Varity_R
0.20
gMVP
0.40
Mutation Taster
=66/34
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

Other links and lift over

dbSNP: rs375478974; hg19: chr14-50587079; API