17-18261140-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_148886.2(MIEF2):​c.5G>A​(p.Gly2Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000116 in 1,551,540 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/18 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00013 ( 0 hom. )

Consequence

MIEF2
NM_148886.2 missense

Scores

1
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.0540
Variant links:
Genes affected
MIEF2 (HGNC:17920): (mitochondrial elongation factor 2) This gene encodes an outer mitochondrial membrane protein that functions in the regulation of mitochondrial morphology. It can directly recruit the fission mediator dynamin-related protein 1 (Drp1) to the mitochondrial surface. The gene is located within the Smith-Magenis syndrome region on chromosome 17. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Jun 2011]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.17019853).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MIEF2NM_139162.4 linkuse as main transcriptc.-8+403G>A intron_variant ENST00000323019.9 NP_631901.2 Q96C03-1
MIEF2NM_148886.2 linkuse as main transcriptc.5G>A p.Gly2Glu missense_variant 1/4 NP_683684.2 Q96C03-3
MIEF2XM_017024190.2 linkuse as main transcriptc.-574G>A 5_prime_UTR_variant 1/4 XP_016879679.1
MIEF2NM_001144900.3 linkuse as main transcriptc.-8+403G>A intron_variant NP_001138372.1 Q96C03-2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MIEF2ENST00000323019.9 linkuse as main transcriptc.-8+403G>A intron_variant 2 NM_139162.4 ENSP00000323591.4 Q96C03-1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152246
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000383
AC:
6
AN:
156532
Hom.:
0
AF XY:
0.0000362
AC XY:
3
AN XY:
82964
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:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000826
Gnomad OTH exome
AF:
0.000227
GnomAD4 exome
AF:
0.000127
AC:
178
AN:
1399294
Hom.:
0
Cov.:
32
AF XY:
0.000106
AC XY:
73
AN XY:
690146
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000162
Gnomad4 OTH exome
AF:
0.0000517
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152246
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74380
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000658
Hom.:
0
Bravo
AF:
0.0000151

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsSep 07, 2022The c.5G>A (p.G2E) alteration is located in exon 1 (coding exon 1) of the MIEF2 gene. This alteration results from a G to A substitution at nucleotide position 5, causing the glycine (G) at amino acid position 2 to be replaced by a glutamic acid (E). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Benign
-0.41
T
BayesDel_noAF
Benign
-0.63
CADD
Benign
2.5
DANN
Benign
0.84
Eigen
Benign
-0.58
Eigen_PC
Benign
-0.77
FATHMM_MKL
Benign
0.018
N
M_CAP
Benign
0.0032
T
MetaRNN
Benign
0.17
T
MetaSVM
Benign
-1.0
T
PrimateAI
Benign
0.42
T
PROVEAN
Benign
0.37
N
REVEL
Benign
0.024
Sift
Pathogenic
0.0
D
Vest4
0.077
MVP
0.20
MPC
1.2
ClinPred
0.18
T
GERP RS
0.13
gMVP
0.31

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.10
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: rs948245842; hg19: chr17-18164454; API