rs372374523

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PP3_ModerateBP6BS2

The NM_153252.5(BRWD3):​c.3324A>G​(p.Gly1108Gly) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000183 in 1,202,852 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 9 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 2/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0000089 ( 0 hom., 1 hem., cov: 22)
Exomes 𝑓: 0.000019 ( 0 hom. 8 hem. )

Consequence

BRWD3
NM_153252.5 splice_region, synonymous

Scores

2
Splicing: ADA: 0.9998
2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: 2.45

Publications

0 publications found
Variant links:
Genes affected
BRWD3 (HGNC:17342): (bromodomain and WD repeat domain containing 3) The protein encoded by this gene contains a bromodomain and several WD repeats. It is thought to have a chromatin-modifying function, and may thus play a role in transcription. Mutations in this gene are associated with a spectrum of cognitive disabilities and X-linked macrocephaly. This gene is also associated with translocations in patients with B-cell chronic lymphocytic leukemia. [provided by RefSeq, Jul 2017]
BRWD3 Gene-Disease associations (from GenCC):
  • intellectual disability, X-linked 93
    Inheritance: XL, AD Classification: DEFINITIVE, STRONG, MODERATE Submitted by: G2P, Labcorp Genetics (formerly Invitae), Ambry Genetics
  • X-linked syndromic intellectual disability
    Inheritance: XL Classification: DEFINITIVE Submitted by: ClinGen
  • infantile spasms
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
  • self-limited epilepsy with centrotemporal spikes
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PP3
Splicing predictors support a deleterious effect. Scorers claiming Pathogenic: dbscSNV1_ADA, dbscSNV1_RF. No scorers claiming Uncertain. Scorers claiming Benign: max_spliceai.
BP6
Variant X-80692090-T-C is Benign according to our data. Variant chrX-80692090-T-C is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 210539.
BS2
High AC in GnomAdExome4 at 21 XL,AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
BRWD3NM_153252.5 linkc.3324A>G p.Gly1108Gly splice_region_variant, synonymous_variant Exon 29 of 41 ENST00000373275.5 NP_694984.5
BRWD3NM_001441339.1 linkc.3174A>G p.Gly1058Gly splice_region_variant, synonymous_variant Exon 28 of 40 NP_001428268.1
BRWD3XM_017029384.2 linkc.2112A>G p.Gly704Gly splice_region_variant, synonymous_variant Exon 18 of 30 XP_016884873.1
BRWD3XM_047441957.1 linkc.3324A>G p.Gly1108Gly splice_region_variant, synonymous_variant Exon 29 of 38 XP_047297913.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
BRWD3ENST00000373275.5 linkc.3324A>G p.Gly1108Gly splice_region_variant, synonymous_variant Exon 29 of 41 1 NM_153252.5 ENSP00000362372.4
BRWD3ENST00000473691.1 linkn.1460A>G splice_region_variant, non_coding_transcript_exon_variant Exon 13 of 25 2

Frequencies

GnomAD3 genomes
AF:
0.00000893
AC:
1
AN:
111929
Hom.:
0
Cov.:
22
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:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000188
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000219
AC:
4
AN:
182392
AF XY:
0.0000297
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 FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000492
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000192
AC:
21
AN:
1090923
Hom.:
0
Cov.:
30
AF XY:
0.0000224
AC XY:
8
AN XY:
357543
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
26245
American (AMR)
AF:
0.00
AC:
0
AN:
35179
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
19328
East Asian (EAS)
AF:
0.00
AC:
0
AN:
30152
South Asian (SAS)
AF:
0.00
AC:
0
AN:
53664
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
40484
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
3583
European-Non Finnish (NFE)
AF:
0.0000251
AC:
21
AN:
836485
Other (OTH)
AF:
0.00
AC:
0
AN:
45803
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.479
Heterozygous variant carriers
0
1
2
3
4
5
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00000893
AC:
1
AN:
111929
Hom.:
0
Cov.:
22
AF XY:
0.0000293
AC XY:
1
AN XY:
34083
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
30848
American (AMR)
AF:
0.00
AC:
0
AN:
10491
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
2652
East Asian (EAS)
AF:
0.00
AC:
0
AN:
3609
South Asian (SAS)
AF:
0.00
AC:
0
AN:
2683
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
6054
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
238
European-Non Finnish (NFE)
AF:
0.0000188
AC:
1
AN:
53166
Other (OTH)
AF:
0.00
AC:
0
AN:
1502

Age Distribution

Genome Hom
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000227

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not specified Uncertain:1
May 29, 2015
Genetic Services Laboratory, University of Chicago
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not provided Benign:1
Oct 16, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.47
CADD
Benign
18
DANN
Benign
0.84
PhyloP100
2.4
Mutation Taster
=16/84
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
1.0
dbscSNV1_RF
Pathogenic
0.97
SpliceAI score (max)
0.18
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs372374523; hg19: chrX-79947589; API