1-1437136-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_022834.5(VWA1):​c.283G>A​(p.Glu95Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000175 in 1,606,844 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/23 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00016 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00018 ( 1 hom. )

Consequence

VWA1
NM_022834.5 missense

Scores

3
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.0230
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 Uncertain_significance. Variant got 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
Splicing scoreres supports a deletorius effect: Scorers claiming Pathogenic: max_spliceai. No scorers claiming Uncertain. No scorers claiming Benign.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
VWA1NM_022834.5 linkuse as main transcriptc.283G>A p.Glu95Lys missense_variant 2/3 ENST00000476993.2 NP_073745.2
VWA1NM_199121.3 linkuse as main transcriptc.74-186G>A intron_variant NP_954572.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
VWA1ENST00000476993.2 linkuse as main transcriptc.283G>A p.Glu95Lys missense_variant 2/31 NM_022834.5 ENSP00000417185 P1Q6PCB0-1
VWA1ENST00000495558.1 linkuse as main transcriptc.178G>A p.Glu60Lys missense_variant 2/22 ENSP00000463643
VWA1ENST00000471398.1 linkuse as main transcriptc.403G>A p.Glu135Lys missense_variant 2/23 ENSP00000464343
VWA1ENST00000338660.5 linkuse as main transcriptc.74-186G>A intron_variant 2 ENSP00000423404 Q6PCB0-3

Frequencies

GnomAD3 genomes
AF:
0.000158
AC:
24
AN:
152256
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.000338
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000942
AC:
23
AN:
244258
Hom.:
0
AF XY:
0.0000602
AC XY:
8
AN XY:
132958
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000293
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000474
Gnomad NFE exome
AF:
0.000192
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000177
AC:
258
AN:
1454588
Hom.:
1
Cov.:
31
AF XY:
0.000158
AC XY:
114
AN XY:
722456
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000450
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000386
Gnomad4 NFE exome
AF:
0.000226
Gnomad4 OTH exome
AF:
0.0000666
GnomAD4 genome
AF:
0.000158
AC:
24
AN:
152256
Hom.:
0
Cov.:
33
AF XY:
0.0000807
AC XY:
6
AN XY:
74392
show subpopulations
Gnomad4 AFR
AF:
0.0000241
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:
0.000338
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000185
Hom.:
0
Bravo
AF:
0.000132
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000350
AC:
3
ExAC
AF:
0.000108
AC:
13

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenJun 01, 2024VWA1: PM2 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.064
BayesDel_addAF
Benign
-0.25
T
BayesDel_noAF
Benign
-0.29
CADD
Benign
16
DANN
Benign
0.80
DEOGEN2
Benign
0.32
.;T;.
Eigen
Benign
-1.4
Eigen_PC
Benign
-1.4
FATHMM_MKL
Benign
0.049
N
LIST_S2
Benign
0.55
T;T;T
M_CAP
Uncertain
0.18
D
MetaRNN
Benign
0.095
T;T;T
MetaSVM
Uncertain
0.19
D
MutationAssessor
Benign
0.53
.;N;.
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Uncertain
0.69
T
PROVEAN
Benign
-1.4
.;N;.
REVEL
Benign
0.23
Sift
Benign
0.24
.;T;.
Sift4G
Benign
0.91
T;T;T
Polyphen
0.0030
.;B;.
Vest4
0.13
MVP
0.73
MPC
0.036
ClinPred
0.040
T
GERP RS
-1.8
Varity_R
0.062
gMVP
0.38

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.52
Details are displayed if max score is > 0.2
DS_DG_spliceai
0.52
Position offset: -3

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: rs145827379; hg19: chr1-1372516; COSMIC: COSV58599967; COSMIC: COSV58599967; API