rs144391749

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_006939.4(SOS2):​c.3075+7C>T variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00972 in 1,309,156 control chromosomes in the GnomAD database, including 84 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0075 ( 2 hom., cov: 32)
Exomes 𝑓: 0.010 ( 82 hom. )

Consequence

SOS2
NM_006939.4 splice_region, intron

Scores

2
Splicing: ADA: 0.0001460
2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:10

Conservation

PhyloP100: -0.276

Publications

1 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 -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.74).
BP6
Variant 14-50134116-G-A is Benign according to our data. Variant chr14-50134116-G-A is described in ClinVar as Benign. ClinVar VariationId is 384712.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population mid. GnomAdExome4 allele frequency = 0.01 (11588/1156932) while in subpopulation MID AF = 0.0228 (118/5184). AF 95% confidence interval is 0.0194. There are 82 homozygotes in GnomAdExome4. There are 5895 alleles in the male GnomAdExome4 subpopulation. Median coverage is 16. This position passed quality control check.
BS2
High AC in GnomAd4 at 1138 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.3075+7C>T
splice_region intron
N/ANP_008870.2Q07890-1
SOS2
NM_001411020.1
c.2976+7C>T
splice_region intron
N/ANP_001397949.1Q07890-2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SOS2
ENST00000216373.10
TSL:1 MANE Select
c.3075+7C>T
splice_region intron
N/AENSP00000216373.5Q07890-1
SOS2
ENST00000543680.5
TSL:1
c.2976+7C>T
splice_region intron
N/AENSP00000445328.1Q07890-2
SOS2
ENST00000934708.1
c.3216+7C>T
splice_region intron
N/AENSP00000604767.1

Frequencies

GnomAD3 genomes
AF:
0.00749
AC:
1139
AN:
152106
Hom.:
2
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00208
Gnomad AMI
AF:
0.00329
Gnomad AMR
AF:
0.0111
Gnomad ASJ
AF:
0.0127
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00622
Gnomad FIN
AF:
0.00623
Gnomad MID
AF:
0.0222
Gnomad NFE
AF:
0.0103
Gnomad OTH
AF:
0.0167
GnomAD2 exomes
AF:
0.00849
AC:
2070
AN:
243826
AF XY:
0.00905
show subpopulations
Gnomad AFR exome
AF:
0.00173
Gnomad AMR exome
AF:
0.00753
Gnomad ASJ exome
AF:
0.0121
Gnomad EAS exome
AF:
0.0000555
Gnomad FIN exome
AF:
0.00815
Gnomad NFE exome
AF:
0.0113
Gnomad OTH exome
AF:
0.0120
GnomAD4 exome
AF:
0.0100
AC:
11588
AN:
1156932
Hom.:
82
Cov.:
16
AF XY:
0.00999
AC XY:
5895
AN XY:
590082
show subpopulations
African (AFR)
AF:
0.00173
AC:
47
AN:
27186
American (AMR)
AF:
0.00824
AC:
348
AN:
42256
Ashkenazi Jewish (ASJ)
AF:
0.0110
AC:
266
AN:
24132
East Asian (EAS)
AF:
0.00
AC:
0
AN:
38142
South Asian (SAS)
AF:
0.00718
AC:
556
AN:
77448
European-Finnish (FIN)
AF:
0.00794
AC:
423
AN:
53280
Middle Eastern (MID)
AF:
0.0228
AC:
118
AN:
5184
European-Non Finnish (NFE)
AF:
0.0111
AC:
9318
AN:
839102
Other (OTH)
AF:
0.0102
AC:
512
AN:
50202
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.498
Heterozygous variant carriers
0
525
1049
1574
2098
2623
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
294
588
882
1176
1470
<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:
0.00748
AC:
1138
AN:
152224
Hom.:
2
Cov.:
32
AF XY:
0.00724
AC XY:
539
AN XY:
74426
show subpopulations
African (AFR)
AF:
0.00207
AC:
86
AN:
41542
American (AMR)
AF:
0.0111
AC:
169
AN:
15290
Ashkenazi Jewish (ASJ)
AF:
0.0127
AC:
44
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5192
South Asian (SAS)
AF:
0.00622
AC:
30
AN:
4822
European-Finnish (FIN)
AF:
0.00623
AC:
66
AN:
10594
Middle Eastern (MID)
AF:
0.0204
AC:
6
AN:
294
European-Non Finnish (NFE)
AF:
0.0103
AC:
699
AN:
67996
Other (OTH)
AF:
0.0166
AC:
35
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.499
Heterozygous variant carriers
0
59
118
177
236
295
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
20
40
60
80
100
<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:
0.0103
Hom.:
6
Bravo
AF:
0.00792
Asia WGS
AF:
0.00115
AC:
4
AN:
3478
EpiCase
AF:
0.0128
EpiControl
AF:
0.0141

ClinVar

ClinVar submissions
Significance:Benign
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
4
not provided (4)
-
-
3
Noonan syndrome 9 (3)
-
-
2
not specified (2)
-
-
1
Noonan syndrome and Noonan-related syndrome (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.74
CADD
Benign
0.99
DANN
Benign
0.59
PhyloP100
-0.28
Mutation Taster
=100/0
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00015
dbscSNV1_RF
Benign
0.0080
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: rs144391749; hg19: chr14-50600834; API