3-179419485-A-G

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_021629.4(GNB4):​c.117T>C​(p.Ser39Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.469 in 1,601,116 control chromosomes in the GnomAD database, including 177,775 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.47 ( 16872 hom., cov: 32)
Exomes 𝑓: 0.47 ( 160903 hom. )

Consequence

GNB4
NM_021629.4 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: -2.67

Publications

29 publications found
Variant links:
Genes affected
GNB4 (HGNC:20731): (G protein subunit beta 4) Heterotrimeric guanine nucleotide-binding proteins (G proteins), which integrate signals between receptors and effector proteins, are composed of an alpha, a beta, and a gamma subunit. These subunits are encoded by families of related genes. This gene encodes a beta subunit. Beta subunits are important regulators of alpha subunits, as well as of certain signal transduction receptors and effectors. [provided by RefSeq, Jul 2008]
GNB4 Gene-Disease associations (from GenCC):
  • Charcot-Marie-Tooth disease dominant intermediate F
    Inheritance: AD Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae)
  • Charcot-Marie-Tooth disease
    Inheritance: AD Classification: MODERATE Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.87).
BP6
Variant 3-179419485-A-G is Benign according to our data. Variant chr3-179419485-A-G is described in ClinVar as Benign. ClinVar VariationId is 261427.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-2.67 with no splicing effect.
BA1
GnomAd4 highest subpopulation (AMR) allele frequency at 95% confidence interval = 0.507 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
GNB4NM_021629.4 linkc.117T>C p.Ser39Ser synonymous_variant Exon 4 of 10 ENST00000232564.8 NP_067642.1 Q9HAV0

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
GNB4ENST00000232564.8 linkc.117T>C p.Ser39Ser synonymous_variant Exon 4 of 10 1 NM_021629.4 ENSP00000232564.3 Q9HAV0

Frequencies

GnomAD3 genomes
AF:
0.470
AC:
71358
AN:
151818
Hom.:
16851
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.452
Gnomad AMI
AF:
0.463
Gnomad AMR
AF:
0.516
Gnomad ASJ
AF:
0.476
Gnomad EAS
AF:
0.436
Gnomad SAS
AF:
0.511
Gnomad FIN
AF:
0.512
Gnomad MID
AF:
0.389
Gnomad NFE
AF:
0.464
Gnomad OTH
AF:
0.471
GnomAD2 exomes
AF:
0.476
AC:
119489
AN:
251164
AF XY:
0.478
show subpopulations
Gnomad AFR exome
AF:
0.448
Gnomad AMR exome
AF:
0.503
Gnomad ASJ exome
AF:
0.475
Gnomad EAS exome
AF:
0.429
Gnomad FIN exome
AF:
0.500
Gnomad NFE exome
AF:
0.464
Gnomad OTH exome
AF:
0.473
GnomAD4 exome
AF:
0.469
AC:
679732
AN:
1449180
Hom.:
160903
Cov.:
29
AF XY:
0.472
AC XY:
340343
AN XY:
721738
show subpopulations
African (AFR)
AF:
0.445
AC:
14761
AN:
33206
American (AMR)
AF:
0.504
AC:
22500
AN:
44648
Ashkenazi Jewish (ASJ)
AF:
0.482
AC:
12543
AN:
26032
East Asian (EAS)
AF:
0.464
AC:
18374
AN:
39608
South Asian (SAS)
AF:
0.515
AC:
44233
AN:
85938
European-Finnish (FIN)
AF:
0.505
AC:
26981
AN:
53390
Middle Eastern (MID)
AF:
0.422
AC:
2428
AN:
5750
European-Non Finnish (NFE)
AF:
0.463
AC:
509789
AN:
1100660
Other (OTH)
AF:
0.469
AC:
28123
AN:
59948
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.458
Heterozygous variant carriers
0
15986
31972
47957
63943
79929
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
15162
30324
45486
60648
75810
<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:
0.470
AC:
71404
AN:
151936
Hom.:
16872
Cov.:
32
AF XY:
0.471
AC XY:
34976
AN XY:
74242
show subpopulations
African (AFR)
AF:
0.451
AC:
18703
AN:
41426
American (AMR)
AF:
0.516
AC:
7882
AN:
15274
Ashkenazi Jewish (ASJ)
AF:
0.476
AC:
1651
AN:
3468
East Asian (EAS)
AF:
0.436
AC:
2250
AN:
5164
South Asian (SAS)
AF:
0.509
AC:
2454
AN:
4820
European-Finnish (FIN)
AF:
0.512
AC:
5391
AN:
10530
Middle Eastern (MID)
AF:
0.373
AC:
109
AN:
292
European-Non Finnish (NFE)
AF:
0.464
AC:
31539
AN:
67944
Other (OTH)
AF:
0.476
AC:
1004
AN:
2108
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.503
Heterozygous variant carriers
0
1948
3896
5845
7793
9741
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
644
1288
1932
2576
3220
<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:
0.466
Hom.:
26414
Bravo
AF:
0.466
Asia WGS
AF:
0.491
AC:
1703
AN:
3478
EpiCase
AF:
0.469
EpiControl
AF:
0.476

ClinVar

Significance: Benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Jul 05, 2018
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

-
Breakthrough Genomics, Breakthrough Genomics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Charcot-Marie-Tooth disease dominant intermediate F Benign:2
Aug 10, 2021
Genome-Nilou Lab
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Feb 04, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not specified Benign:1
-
PreventionGenetics, part of Exact Sciences
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.87
CADD
Benign
2.4
DANN
Benign
0.55
PhyloP100
-2.7
Mutation Taster
=100/0
polymorphism (auto)

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: rs1362650; hg19: chr3-179137273; COSMIC: COSV51708596; COSMIC: COSV51708596; API