chr1-197144049-G-A

Variant summary

Our verdict is Pathogenic. Variant got 11 ACMG points: 11P and 0B. PVS1PM2PP5

The NM_018136.5(ASPM):​c.349C>T​(p.Arg117Ter) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000617 in 1,458,168 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

ASPM
NM_018136.5 stop_gained

Scores

2
4
1

Clinical Significance

Pathogenic no assertion criteria provided P:1O:1

Conservation

PhyloP100: 3.07
Variant links:
Genes affected
ASPM (HGNC:19048): (assembly factor for spindle microtubules) This gene is the human ortholog of the Drosophila melanogaster 'abnormal spindle' gene (asp), which is essential for normal mitotic spindle function in embryonic neuroblasts. Studies in mouse also suggest a role of this gene in mitotic spindle regulation, with a preferential role in regulating neurogenesis. Mutations in this gene are associated with microcephaly primary type 5. Multiple transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, May 2011]

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ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 11 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 1-197144049-G-A is Pathogenic according to our data. Variant chr1-197144049-G-A is described in ClinVar as [Pathogenic]. Clinvar id is 4962.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr1-197144049-G-A is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ASPMNM_018136.5 linkuse as main transcriptc.349C>T p.Arg117Ter stop_gained 2/28 ENST00000367409.9 NP_060606.3
ASPMNM_001206846.2 linkuse as main transcriptc.349C>T p.Arg117Ter stop_gained 2/27 NP_001193775.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ASPMENST00000367409.9 linkuse as main transcriptc.349C>T p.Arg117Ter stop_gained 2/281 NM_018136.5 ENSP00000356379 P1Q8IZT6-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.0000199
AC:
5
AN:
251190
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135794
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:
0.0000327
Gnomad FIN exome
AF:
0.0000925
Gnomad NFE exome
AF:
0.0000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000617
AC:
9
AN:
1458168
Hom.:
0
Cov.:
30
AF XY:
0.00000276
AC XY:
2
AN XY:
725588
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:
0.0000116
Gnomad4 FIN exome
AF:
0.0000749
Gnomad4 NFE exome
AF:
0.00000361
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.00000999
Hom.:
0
Bravo
AF:
0.00000378
ExAC
AF:
0.0000247
AC:
3
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

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

Submissions by phenotype

Microcephaly 5, primary, autosomal recessive Pathogenic:1Other:1
not provided, no classification providedliterature onlyGeneReviews-- -
Pathogenic, no assertion criteria providedliterature onlyOMIMOct 01, 2004- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.49
D
BayesDel_noAF
Pathogenic
0.56
CADD
Pathogenic
37
DANN
Uncertain
1.0
Eigen
Uncertain
0.43
Eigen_PC
Uncertain
0.27
FATHMM_MKL
Uncertain
0.92
D
MutationTaster
Benign
1.0
A;A
Vest4
0.85
GERP RS
1.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

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: rs137852996; hg19: chr1-197113179; COSMIC: COSV54128651; COSMIC: COSV54128651; API