14-50150146-T-C

Variant summary

Our verdict is Benign. The variant received -14 ACMG points: 0P and 14B. BP4_ModerateBP6_Very_StrongBS2

The NM_006939.4(SOS2):​c.2246A>G​(p.Asn749Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000174 in 1,613,320 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict 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. N749D) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000018 ( 0 hom. )

Consequence

SOS2
NM_006939.4 missense

Scores

4
14

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 3.50

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: 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 -14 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.09104091).
BP6
Variant 14-50150146-T-C is Benign according to our data. Variant chr14-50150146-T-C is described in ClinVar as Likely_benign. ClinVar VariationId is 475744.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS2
High AC in GnomAdExome4 at 27 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.2246A>Gp.Asn749Ser
missense
Exon 14 of 23NP_008870.2Q07890-1
SOS2
NM_001411020.1
c.2147A>Gp.Asn716Ser
missense
Exon 13 of 22NP_001397949.1Q07890-2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SOS2
ENST00000216373.10
TSL:1 MANE Select
c.2246A>Gp.Asn749Ser
missense
Exon 14 of 23ENSP00000216373.5Q07890-1
SOS2
ENST00000543680.5
TSL:1
c.2147A>Gp.Asn716Ser
missense
Exon 13 of 22ENSP00000445328.1Q07890-2
SOS2
ENST00000934708.1
c.2387A>Gp.Asn796Ser
missense
Exon 15 of 24ENSP00000604767.1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152196
Hom.:
0
Cov.:
32
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:
0.0000942
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000398
AC:
10
AN:
251384
AF XY:
0.0000221
show subpopulations
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:
0.000323
Gnomad NFE exome
AF:
0.0000176
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000185
AC:
27
AN:
1461124
Hom.:
0
Cov.:
29
AF XY:
0.0000138
AC XY:
10
AN XY:
726928
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33468
American (AMR)
AF:
0.00
AC:
0
AN:
44722
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26132
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39678
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86236
European-Finnish (FIN)
AF:
0.000300
AC:
16
AN:
53416
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000720
AC:
8
AN:
1111326
Other (OTH)
AF:
0.0000331
AC:
2
AN:
60378
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.514
Heterozygous variant carriers
0
2
4
5
7
9
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:
0.00000657
AC:
1
AN:
152196
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74346
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41450
American (AMR)
AF:
0.00
AC:
0
AN:
15278
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5196
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.0000942
AC:
1
AN:
10618
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
314
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68038
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.0000712
Hom.:
0
Bravo
AF:
0.0000113
ExAC
AF:
0.0000247
AC:
3

ClinVar

ClinVar submissions
Significance:Likely benign
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
1
Noonan syndrome 9 (1)
-
-
1
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.059
BayesDel_addAF
Benign
-0.29
T
BayesDel_noAF
Benign
-0.63
CADD
Benign
19
DANN
Uncertain
0.98
DEOGEN2
Benign
0.20
T
Eigen
Benign
-0.096
Eigen_PC
Benign
0.11
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Uncertain
0.95
D
M_CAP
Benign
0.0051
T
MetaRNN
Benign
0.091
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.58
N
PhyloP100
3.5
PrimateAI
Uncertain
0.53
T
PROVEAN
Benign
-0.53
N
REVEL
Benign
0.073
Sift
Benign
0.49
T
Sift4G
Benign
0.73
T
Polyphen
0.0
B
Vest4
0.16
MutPred
0.26
Gain of disorder (P = 0.0544)
MVP
0.31
MPC
0.15
ClinPred
0.075
T
GERP RS
5.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.086
gMVP
0.22
Mutation Taster
=58/42
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: rs761689009; hg19: chr14-50616864; API