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GeneBe

1-40258392-C-T

Variant summary

Our verdict is Likely pathogenic. Variant got 9 ACMG points: 9P and 0B. PVS1PP5

The NM_005857.5(ZMPSTE24):​c.121C>T​(p.Gln41Ter) variant causes a stop gained, splice region change. The variant allele was found at a frequency of 0.0000118 in 1,613,944 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 2/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Pathogenic (no stars). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000010 ( 0 hom. )

Consequence

ZMPSTE24
NM_005857.5 stop_gained, splice_region

Scores

3
3
1
Splicing: ADA: 0.7792
2

Clinical Significance

Pathogenic no assertion criteria provided P:1O:1

Conservation

PhyloP100: 6.87
Variant links:
Genes affected
ZMPSTE24 (HGNC:12877): (zinc metallopeptidase STE24) This gene encodes a member of the peptidase M48A family. The encoded protein is a zinc metalloproteinase involved in the two step post-translational proteolytic cleavage of carboxy terminal residues of farnesylated prelamin A to form mature lamin A. Mutations in this gene have been associated with mandibuloacral dysplasia and restrictive dermopathy. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 9 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PP5
Variant 1-40258392-C-T is Pathogenic according to our data. Variant chr1-40258392-C-T is described in ClinVar as [Pathogenic]. Clinvar id is 4274.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr1-40258392-C-T is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ZMPSTE24NM_005857.5 linkuse as main transcriptc.121C>T p.Gln41Ter stop_gained, splice_region_variant 1/10 ENST00000372759.4
ZMPSTE24XM_047427590.1 linkuse as main transcriptc.121C>T p.Gln41Ter stop_gained, splice_region_variant 1/7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ZMPSTE24ENST00000372759.4 linkuse as main transcriptc.121C>T p.Gln41Ter stop_gained, splice_region_variant 1/101 NM_005857.5 P1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152198
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:
0.000770
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000803
AC:
2
AN:
249074
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
134842
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000109
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000103
AC:
15
AN:
1461746
Hom.:
0
Cov.:
31
AF XY:
0.00000688
AC XY:
5
AN XY:
727182
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000378
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152198
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74348
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000770
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:1Other:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Mandibuloacral dysplasia with type B lipodystrophy Pathogenic:1
Pathogenic, no assertion criteria providedliterature onlyOMIMJun 01, 2008- -
not provided Other:1
not provided, no classification providedliterature onlyZMPSTE24 homepage - Leiden Muscular Dystrophy pages-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.47
D
BayesDel_noAF
Pathogenic
0.54
CADD
Pathogenic
57
DANN
Uncertain
1.0
Eigen
Pathogenic
0.80
Eigen_PC
Uncertain
0.61
FATHMM_MKL
Uncertain
0.76
D
MutationTaster
Benign
1.0
A
Vest4
0.85
GERP RS
4.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.78
dbscSNV1_RF
Benign
0.51
SpliceAI score (max)
0.98
Details are displayed if max score is > 0.2
DS_DG_spliceai
0.98
Position offset: -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: rs121908094; hg19: chr1-40724064; API