chr3-158644690-C-T

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2

The NM_024996.7(GFM1):​c.56C>T​(p.Ala19Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000154 in 1,579,866 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000085 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00016 ( 2 hom. )

Consequence

GFM1
NM_024996.7 missense

Scores

2
17

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:4

Conservation

PhyloP100: 1.29
Variant links:
Genes affected
GFM1 (HGNC:13780): (G elongation factor mitochondrial 1) Eukaryotes contain two protein translational systems, one in the cytoplasm and one in the mitochondria. Mitochondrial translation is crucial for maintaining mitochondrial function and mutations in this system lead to a breakdown in the respiratory chain-oxidative phosphorylation system and to impaired maintenance of mitochondrial DNA. This gene encodes one of the mitochondrial translation elongation factors. Its role in the regulation of normal mitochondrial function and in different disease states attributed to mitochondrial dysfunction is not known. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -13 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0047922432).
BP6
Variant 3-158644690-C-T is Benign according to our data. Variant chr3-158644690-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 343920.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=1, Benign=1}.
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.0000853 (13/152344) while in subpopulation SAS AF= 0.00269 (13/4828). AF 95% confidence interval is 0.00159. There are 0 homozygotes in gnomad4. There are 12 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High Homozygotes in GnomAdExome4 at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
GFM1NM_024996.7 linkuse as main transcriptc.56C>T p.Ala19Val missense_variant 1/18 ENST00000486715.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
GFM1ENST00000486715.6 linkuse as main transcriptc.56C>T p.Ala19Val missense_variant 1/181 NM_024996.7 P1Q96RP9-1

Frequencies

GnomAD3 genomes
AF:
0.0000854
AC:
13
AN:
152228
Hom.:
0
Cov.:
33
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:
0.00269
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000416
AC:
79
AN:
189912
Hom.:
1
AF XY:
0.000578
AC XY:
59
AN XY:
102158
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 SAS exome
AF:
0.00309
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000405
GnomAD4 exome
AF:
0.000161
AC:
230
AN:
1427522
Hom.:
2
Cov.:
34
AF XY:
0.000241
AC XY:
170
AN XY:
706474
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00275
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.000118
GnomAD4 genome
AF:
0.0000853
AC:
13
AN:
152344
Hom.:
0
Cov.:
33
AF XY:
0.000161
AC XY:
12
AN XY:
74506
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00269
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000508
Hom.:
0
Bravo
AF:
0.0000227
ExAC
AF:
0.000421
AC:
50
Asia WGS
AF:
0.00115
AC:
4
AN:
3478

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:4
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Hepatoencephalopathy due to combined oxidative phosphorylation defect type 1 Uncertain:1Benign:2
Likely benign, criteria provided, single submitterclinical testingRevvity Omics, RevvityNov 01, 2023- -
Uncertain significance, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJan 13, 2018This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -
Likely benign, no assertion criteria providedclinical testingNatera, Inc.Oct 28, 2019- -
GFM1-related disorder Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesJan 04, 2023This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -
not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeJan 28, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.097
BayesDel_addAF
Benign
-0.43
T
BayesDel_noAF
Benign
-0.40
CADD
Benign
11
DANN
Uncertain
0.99
DEOGEN2
Benign
0.023
T;T;.
Eigen
Benign
-0.94
Eigen_PC
Benign
-0.96
FATHMM_MKL
Benign
0.21
N
LIST_S2
Benign
0.71
T;T;T
M_CAP
Benign
0.043
D
MetaRNN
Benign
0.0048
T;T;T
MetaSVM
Benign
-0.95
T
MutationAssessor
Benign
1.8
L;.;L
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Uncertain
0.50
T
PROVEAN
Benign
0.050
N;N;N
REVEL
Benign
0.040
Sift
Benign
0.076
T;T;T
Sift4G
Benign
0.17
T;T;T
Polyphen
0.041
B;B;.
Vest4
0.30
MutPred
0.29
Gain of catalytic residue at A19 (P = 0.0265);Gain of catalytic residue at A19 (P = 0.0265);Gain of catalytic residue at A19 (P = 0.0265);
MVP
0.30
MPC
0.22
ClinPred
0.044
T
GERP RS
2.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
2.2
Varity_R
0.049
gMVP
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: rs567086019; hg19: chr3-158362479; API