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GeneBe

7-7573316-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_019005.4(MIOS):c.841G>A(p.Gly281Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000372 in 1,613,912 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

MIOS
NM_019005.4 missense

Scores

4
7
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.30
Variant links:
Genes affected
MIOS (HGNC:21905): (meiosis regulator for oocyte development) Involved in cellular response to amino acid starvation; positive regulation of TOR signaling; and protein-containing complex localization. Located in several cellular components, including cytosol; lysosomal membrane; and nucleoplasm. Part of GATOR2 complex. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MIOSNM_019005.4 linkuse as main transcriptc.841G>A p.Gly281Ser missense_variant 4/13 ENST00000340080.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MIOSENST00000340080.9 linkuse as main transcriptc.841G>A p.Gly281Ser missense_variant 4/131 NM_019005.4 P1Q9NXC5-1
MIOSENST00000405785.5 linkuse as main transcriptc.841G>A p.Gly281Ser missense_variant 3/125 P1Q9NXC5-1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152128
Hom.:
0
Cov.:
32
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:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000402
AC:
1
AN:
249064
Hom.:
0
AF XY:
0.00000740
AC XY:
1
AN XY:
135118
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:
0.00000886
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000342
AC:
5
AN:
1461784
Hom.:
0
Cov.:
31
AF XY:
0.00000275
AC XY:
2
AN XY:
727184
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152128
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74328
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:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378

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 GeneticsAug 04, 2023The c.841G>A (p.G281S) alteration is located in exon 4 (coding exon 1) of the MIOS gene. This alteration results from a G to A substitution at nucleotide position 841, causing the glycine (G) at amino acid position 281 to be replaced by a serine (S). 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
AlphaMissense
Pathogenic
0.58
BayesDel_addAF
Pathogenic
0.17
D
BayesDel_noAF
Uncertain
0.010
Cadd
Uncertain
23
Dann
Uncertain
0.98
DEOGEN2
Benign
0.082
T;T
Eigen
Benign
0.18
Eigen_PC
Uncertain
0.36
FATHMM_MKL
Pathogenic
0.99
D
M_CAP
Benign
0.028
D
MetaRNN
Uncertain
0.63
D;D
MetaSVM
Benign
-0.88
T
MutationAssessor
Benign
0.87
L;L
MutationTaster
Benign
1.0
D;D
PrimateAI
Pathogenic
0.91
D
PROVEAN
Uncertain
-2.4
N;N
REVEL
Uncertain
0.29
Sift
Benign
0.63
T;T
Sift4G
Uncertain
0.059
T;T
Polyphen
0.17
B;B
Vest4
0.88
MutPred
0.46
Gain of glycosylation at G281 (P = 0.0753);Gain of glycosylation at G281 (P = 0.0753);
MVP
0.71
MPC
0.51
ClinPred
0.70
D
GERP RS
5.2
Varity_R
0.37
gMVP
0.57

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: rs1384415475; hg19: chr7-7612947; API