chr1-1435798-TGGCGCGGAGC-T

Variant summary

Our verdict is Likely pathogenic. Variant got 7 ACMG points: 7P and 0B. PVS1_StrongPM2PP5

The NM_022834.5(VWA1):​c.62_71delGCGCGGAGCG​(p.Gly21fs) variant causes a frameshift, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000424 in 1,202,298 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely pathogenic (no stars).

Frequency

Genomes: 𝑓 0.000047 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000042 ( 0 hom. )

Consequence

VWA1
NM_022834.5 frameshift, splice_region

Scores

Not classified

Clinical Significance

Pathogenic/Likely pathogenic no assertion criteria provided P:2

Conservation

PhyloP100: 1.14
Variant links:
Genes affected
VWA1 (HGNC:30910): (von Willebrand factor A domain containing 1) VWA1 belongs to the von Willebrand factor (VWF; MIM 613160) A (VWFA) domain superfamily of extracellular matrix proteins and appears to play a role in cartilage structure and function (Fitzgerald et al., 2002 [PubMed 12062410]).[supplied by OMIM, Nov 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 7 ACMG points.

PVS1
Loss of function variant, product does not undergo nonsense mediated mRNA decay. Variant located near the start codon (<100nt), not predicted to undergo nonsense mediated mRNA decay. There are 11 pathogenic variants in the truncated region.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 1-1435798-TGGCGCGGAGC-T is Pathogenic according to our data. Variant chr1-1435798-TGGCGCGGAGC-T is described in ClinVar as [Likely_pathogenic]. Clinvar id is 830324.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr1-1435798-TGGCGCGGAGC-T is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
VWA1NM_022834.5 linkuse as main transcriptc.62_71delGCGCGGAGCG p.Gly21fs frameshift_variant, splice_region_variant 1/3 ENST00000476993.2 NP_073745.2 Q6PCB0-1
VWA1NM_199121.3 linkuse as main transcriptc.62_71delGCGCGGAGCG p.Gly21fs frameshift_variant, splice_region_variant 1/3 NP_954572.2 Q6PCB0-3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
VWA1ENST00000476993.2 linkuse as main transcriptc.62_71delGCGCGGAGCG p.Gly21fs frameshift_variant, splice_region_variant 1/31 NM_022834.5 ENSP00000417185.1 Q6PCB0-1
VWA1ENST00000471398.1 linkuse as main transcriptc.62_71delGCGCGGAGCG p.Gly21fs frameshift_variant, splice_region_variant 1/23 ENSP00000464343.1 J3QRR0
VWA1ENST00000338660.5 linkuse as main transcriptc.62_71delGCGCGGAGCG p.Gly21fs frameshift_variant, splice_region_variant 1/32 ENSP00000423404.1 Q6PCB0-3
VWA1ENST00000495558.1 linkuse as main transcriptc.-33+664_-33+673delGCGCGGAGCG intron_variant 2 ENSP00000463643.1 J3QLP3

Frequencies

GnomAD3 genomes
AF:
0.0000468
AC:
7
AN:
149504
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000243
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00117
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000299
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.0000418
AC:
44
AN:
1052794
Hom.:
0
AF XY:
0.0000489
AC XY:
25
AN XY:
511400
show subpopulations
Gnomad4 AFR exome
AF:
0.0000499
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.000168
Gnomad4 EAS exome
AF:
0.0000715
Gnomad4 SAS exome
AF:
0.000258
Gnomad4 FIN exome
AF:
0.0000549
Gnomad4 NFE exome
AF:
0.0000311
Gnomad4 OTH exome
AF:
0.0000257
GnomAD4 genome
AF:
0.0000468
AC:
7
AN:
149504
Hom.:
0
Cov.:
32
AF XY:
0.0000137
AC XY:
1
AN XY:
72886
show subpopulations
Gnomad4 AFR
AF:
0.0000243
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00117
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000299
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000340

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:2
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Neuromuscular disease Pathogenic:1
Likely pathogenic, no assertion criteria providedresearchSection for Clinical Neurogenetics, University of TübingenJan 01, 2020- -
Neuronopathy, distal hereditary motor, autosomal recessive 7 Pathogenic:1
Pathogenic, no assertion criteria providedliterature onlyOMIMOct 17, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

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: rs749383814; hg19: chr1-1371178; API