rs138133010

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.3744G>T​(p.Trp1248Cys) variant causes a missense change. The variant allele was found at a frequency of 0.000517 in 1,613,912 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 (★★).

Frequency

Genomes: 𝑓 0.00040 ( 0 hom., cov: 31)
Exomes 𝑓: 0.00053 ( 1 hom. )

Consequence

SOS2
NM_006939.4 missense

Scores

8
10

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:9

Conservation

PhyloP100: 4.94

Publications

6 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: Orphanet, ClinGen
  • Noonan syndrome 9
    Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia, G2P, Ambry Genetics, Genomics England PanelApp
  • cardiofaciocutaneous syndrome
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • Costello syndrome
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • Noonan syndrome with multiple lentigines
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen
  • Noonan syndrome-like disorder with loose anagen hair
    Inheritance: AD Classification: NO_KNOWN Submitted by: ClinGen

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=0.047912657).
BP6
Variant 14-50118599-C-A is Benign according to our data. Variant chr14-50118599-C-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 475755.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS2
High AC in GnomAd4 at 61 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.3744G>Tp.Trp1248Cys
missense
Exon 23 of 23NP_008870.2Q07890-1
SOS2
NM_001411020.1
c.3645G>Tp.Trp1215Cys
missense
Exon 22 of 22NP_001397949.1Q07890-2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SOS2
ENST00000216373.10
TSL:1 MANE Select
c.3744G>Tp.Trp1248Cys
missense
Exon 23 of 23ENSP00000216373.5Q07890-1
SOS2
ENST00000543680.5
TSL:1
c.3645G>Tp.Trp1215Cys
missense
Exon 22 of 22ENSP00000445328.1Q07890-2
SOS2
ENST00000934708.1
c.3885G>Tp.Trp1295Cys
missense
Exon 24 of 24ENSP00000604767.1

Frequencies

GnomAD3 genomes
AF:
0.000401
AC:
61
AN:
152028
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000725
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00144
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000623
Gnomad FIN
AF:
0.0000945
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000720
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000489
AC:
123
AN:
251468
AF XY:
0.000471
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00208
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000924
Gnomad NFE exome
AF:
0.000800
Gnomad OTH exome
AF:
0.000978
GnomAD4 exome
AF:
0.000529
AC:
774
AN:
1461884
Hom.:
1
Cov.:
33
AF XY:
0.000505
AC XY:
367
AN XY:
727240
show subpopulations
African (AFR)
AF:
0.000119
AC:
4
AN:
33480
American (AMR)
AF:
0.0000224
AC:
1
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00199
AC:
52
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.0000464
AC:
4
AN:
86258
European-Finnish (FIN)
AF:
0.000225
AC:
12
AN:
53418
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000605
AC:
673
AN:
1112004
Other (OTH)
AF:
0.000464
AC:
28
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.482
Heterozygous variant carriers
0
46
93
139
186
232
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
22
44
66
88
110
<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:
0.000401
AC:
61
AN:
152028
Hom.:
0
Cov.:
31
AF XY:
0.000269
AC XY:
20
AN XY:
74274
show subpopulations
African (AFR)
AF:
0.0000725
AC:
3
AN:
41384
American (AMR)
AF:
0.00
AC:
0
AN:
15250
Ashkenazi Jewish (ASJ)
AF:
0.00144
AC:
5
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5188
South Asian (SAS)
AF:
0.000623
AC:
3
AN:
4818
European-Finnish (FIN)
AF:
0.0000945
AC:
1
AN:
10580
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000720
AC:
49
AN:
68022
Other (OTH)
AF:
0.00
AC:
0
AN:
2086
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.509
Heterozygous variant carriers
0
4
7
11
14
18
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:
0.000723
Hom.:
0
Bravo
AF:
0.000385
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.00151
AC:
13
ExAC
AF:
0.000618
AC:
75
EpiCase
AF:
0.000600
EpiControl
AF:
0.000533

ClinVar

ClinVar submissions
Significance:Benign/Likely benign
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
3
not specified (3)
-
-
2
Noonan syndrome 9 (2)
-
-
1
Cardiovascular phenotype (1)
-
-
1
Noonan syndrome and Noonan-related syndrome (1)
-
-
1
not provided (1)
-
-
1
SOS2-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.17
BayesDel_addAF
Benign
-0.12
T
BayesDel_noAF
Uncertain
0.010
CADD
Uncertain
24
DANN
Benign
0.86
DEOGEN2
Benign
0.30
T
Eigen
Uncertain
0.25
Eigen_PC
Uncertain
0.23
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Uncertain
0.91
D
M_CAP
Benign
0.059
D
MetaRNN
Benign
0.048
T
MetaSVM
Benign
-0.33
T
MutationAssessor
Benign
1.7
L
PhyloP100
4.9
PrimateAI
Uncertain
0.57
T
PROVEAN
Uncertain
-2.4
N
REVEL
Uncertain
0.46
Sift
Benign
0.17
T
Sift4G
Benign
0.14
T
Polyphen
0.97
D
Vest4
0.48
MutPred
0.27
Gain of catalytic residue at L1249 (P = 0.0265)
MVP
0.64
MPC
0.46
ClinPred
0.051
T
GERP RS
4.0
Varity_R
0.23
gMVP
0.26
Mutation Taster
=65/35
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: rs138133010; hg19: chr14-50585317; API