6-89648037-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_014611.3(MDN1):​c.16390G>T​(p.Ala5464Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000824 in 1,456,920 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000082 ( 0 hom. )

Consequence

MDN1
NM_014611.3 missense

Scores

3
2
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.52
Variant links:
Genes affected
MDN1 (HGNC:18302): (midasin AAA ATPase 1) Predicted to enable ATP binding activity. Involved in ribosomal large subunit assembly. Located in cytosol; intermediate filament cytoskeleton; and nuclear lumen. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.3433295).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MDN1NM_014611.3 linkuse as main transcriptc.16390G>T p.Ala5464Ser missense_variant 99/102 ENST00000369393.8 NP_055426.1 Q9NU22
MDN1-AS1NR_111915.1 linkuse as main transcriptn.105+9401C>A intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MDN1ENST00000369393.8 linkuse as main transcriptc.16390G>T p.Ala5464Ser missense_variant 99/1021 NM_014611.3 ENSP00000358400.3 Q9NU22

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000796
AC:
2
AN:
251360
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135832
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:
0.0000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000824
AC:
12
AN:
1456920
Hom.:
0
Cov.:
30
AF XY:
0.00000552
AC XY:
4
AN XY:
725216
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:
0.0000108
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.00000378
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.000109
EpiControl
AF:
0.0000593

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 GeneticsNov 26, 2024The c.16390G>T (p.A5464S) alteration is located in exon 99 (coding exon 99) of the MDN1 gene. This alteration results from a G to T substitution at nucleotide position 16390, causing the alanine (A) at amino acid position 5464 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
Benign
0.13
BayesDel_addAF
Benign
-0.072
T
BayesDel_noAF
Benign
-0.34
CADD
Benign
22
DANN
Benign
0.97
DEOGEN2
Benign
0.013
T;T
Eigen
Pathogenic
0.76
Eigen_PC
Pathogenic
0.80
FATHMM_MKL
Pathogenic
1.0
D
LIST_S2
Uncertain
0.89
D;.
M_CAP
Benign
0.031
D
MetaRNN
Benign
0.34
T;T
MetaSVM
Benign
-1.2
T
MutationAssessor
Benign
2.0
M;M
PrimateAI
Uncertain
0.58
T
PROVEAN
Benign
-1.7
N;.
REVEL
Benign
0.18
Sift
Benign
0.099
T;.
Polyphen
1.0
D;D
Vest4
0.41
MutPred
0.27
Gain of disorder (P = 0.0248);Gain of disorder (P = 0.0248);
MVP
0.31
MPC
0.14
ClinPred
0.72
D
GERP RS
6.2
Varity_R
0.28
gMVP
0.31

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: rs116360466; hg19: chr6-90357756; API