9-69035836-A-G

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_000144.5(FXN):ā€‹c.54A>Gā€‹(p.Pro18=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.997 in 1,511,616 control chromosomes in the GnomAD database, including 752,000 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (ā˜…ā˜…).

Frequency

Genomes: š‘“ 0.99 ( 74033 hom., cov: 31)
Exomes š‘“: 1.0 ( 677967 hom. )

Consequence

FXN
NM_000144.5 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:12

Conservation

PhyloP100: -0.525
Variant links:
Genes affected
FXN (HGNC:3951): (frataxin) This nuclear gene encodes a mitochondrial protein which belongs to the FRATAXIN family. The protein functions in regulating mitochondrial iron transport and respiration. The expansion of intronic trinucleotide repeat GAA from 8-33 repeats to >90 repeats results in Friedreich ataxia. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.82).
BP6
Variant 9-69035836-A-G is Benign according to our data. Variant chr9-69035836-A-G is described in ClinVar as [Benign]. Clinvar id is 129120.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr9-69035836-A-G is described in Lovd as [Benign].
BP7
Synonymous conserved (PhyloP=-0.525 with no splicing effect.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.994 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FXNNM_000144.5 linkuse as main transcriptc.54A>G p.Pro18= synonymous_variant 1/5 ENST00000484259.3 NP_000135.2
FXNNM_181425.3 linkuse as main transcriptc.54A>G p.Pro18= synonymous_variant 1/5 NP_852090.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FXNENST00000484259.3 linkuse as main transcriptc.54A>G p.Pro18= synonymous_variant 1/53 NM_000144.5 ENSP00000419243 P1Q16595-1

Frequencies

GnomAD3 genomes
AF:
0.986
AC:
149965
AN:
152050
Hom.:
73984
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.952
Gnomad AMI
AF:
1.00
Gnomad AMR
AF:
0.995
Gnomad ASJ
AF:
1.00
Gnomad EAS
AF:
1.00
Gnomad SAS
AF:
1.00
Gnomad FIN
AF:
1.00
Gnomad MID
AF:
1.00
Gnomad NFE
AF:
1.00
Gnomad OTH
AF:
0.994
GnomAD3 exomes
AF:
0.998
AC:
108411
AN:
108640
Hom.:
54098
AF XY:
0.998
AC XY:
60140
AN XY:
60250
show subpopulations
Gnomad AFR exome
AF:
0.941
Gnomad AMR exome
AF:
0.997
Gnomad ASJ exome
AF:
1.00
Gnomad EAS exome
AF:
1.00
Gnomad SAS exome
AF:
1.00
Gnomad FIN exome
AF:
1.00
Gnomad NFE exome
AF:
1.00
Gnomad OTH exome
AF:
0.998
GnomAD4 exome
AF:
0.999
AC:
1357658
AN:
1359454
Hom.:
677967
Cov.:
51
AF XY:
0.999
AC XY:
669689
AN XY:
670434
show subpopulations
Gnomad4 AFR exome
AF:
0.950
Gnomad4 AMR exome
AF:
0.998
Gnomad4 ASJ exome
AF:
1.00
Gnomad4 EAS exome
AF:
1.00
Gnomad4 SAS exome
AF:
1.00
Gnomad4 FIN exome
AF:
1.00
Gnomad4 NFE exome
AF:
1.00
Gnomad4 OTH exome
AF:
0.997
GnomAD4 genome
AF:
0.986
AC:
150071
AN:
152162
Hom.:
74033
Cov.:
31
AF XY:
0.987
AC XY:
73401
AN XY:
74392
show subpopulations
Gnomad4 AFR
AF:
0.952
Gnomad4 AMR
AF:
0.995
Gnomad4 ASJ
AF:
1.00
Gnomad4 EAS
AF:
1.00
Gnomad4 SAS
AF:
0.999
Gnomad4 FIN
AF:
1.00
Gnomad4 NFE
AF:
1.00
Gnomad4 OTH
AF:
0.994
Alfa
AF:
0.994
Hom.:
12725
Bravo
AF:
0.985
Asia WGS
AF:
0.997
AC:
3454
AN:
3466

ClinVar

Significance: Benign
Submissions summary: Benign:12
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:5
Benign, criteria provided, single submitterclinical testingARUP Laboratories, Molecular Genetics and Genomics, ARUP LaboratoriesNov 29, 2023- -
Benign, no assertion criteria providedclinical testingMayo Clinic Laboratories, Mayo ClinicFeb 15, 2016- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingGeneDxAug 05, 2019- -
Benign, criteria provided, single submitterclinical testingAthena DiagnosticsMar 01, 2019- -
not specified Benign:4
Benign, no assertion criteria providedclinical testingJoint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+-- -
Benign, no assertion criteria providedclinical testingClinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center-- -
Likely benign, no assertion criteria providedclinical testingGenetic Services Laboratory, University of Chicago-Likely benign based on allele frequency in 1000 Genomes Project or ESP global frequency and its presence in a patient with a rare or unrelated disease phenotype. NOT Sanger confirmed. -
Benign, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)Mar 18, 2016- -
Friedreich ataxia 1 Benign:2
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabAug 10, 2021- -
Benign, no assertion criteria providedclinical testingDiagnostic Laboratory, Department of Genetics, University Medical Center Groningen-- -
Inborn genetic diseases Benign:1
Benign, criteria provided, single submitterclinical testingAmbry GeneticsMar 11, 2015This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.82
CADD
Benign
5.6
DANN
Benign
0.49

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs2481598; hg19: chr9-71650752; API