Variant 1-89582767-C-T details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_001369817.2(LRRC8B):c.117C>T(p.Ala39=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00158 in 1,614,166 control chromosomes in the GnomAD database, including 40 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0086 ( 23 hom., cov: 32)

Exomes 𝑓: 0.00085 ( 17 hom. )

Consequence

LRRC8B
NM_001369817.2 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -4.26

Variant links:

Genes affected

LRRC8B (HGNC:30692): (leucine rich repeat containing 8 VRAC subunit B) Contributes to volume-sensitive anion channel activity. Involved in anion transmembrane transport. Located in cytoplasm and plasma membrane. Is integral component of plasma membrane. Part of ion channel complex. [provided by Alliance of Genome Resources, Apr 2022]

LRRC8B links:

LRRC8C-DT (HGNC:53731): (LRRC8C divergent transcript)

LRRC8C-DT links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.5).

BP6

Variant 1-89582767-C-T is Benign according to our data. Variant chr1-89582767-C-T is described in ClinVar as [Benign]. Clinvar id is 784444.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-4.26 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00858 (1306/152280) while in subpopulation AFR AF= 0.0293 (1219/41548). AF 95% confidence interval is 0.028. There are 23 homozygotes in gnomad4. There are 627 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High AC in GnomAd4 at 1306 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
LRRC8B	NM_001369817.2 linkuse as main transcript	c.117C>T	p.Ala39=	synonymous_variant	5/6	ENST00000330947.7
LRRC8B	NM_001134476.2 linkuse as main transcript	c.117C>T	p.Ala39=	synonymous_variant	7/8
LRRC8B	NM_001369819.2 linkuse as main transcript	c.117C>T	p.Ala39=	synonymous_variant	6/7
LRRC8B	NM_015350.4 linkuse as main transcript	c.117C>T	p.Ala39=	synonymous_variant	8/9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
LRRC8B	ENST00000330947.7 linkuse as main transcript	c.117C>T	p.Ala39=	synonymous_variant	5/6	5	NM_001369817.2	P1
LRRC8C-DT	ENST00000655657.3 linkuse as main transcript	n.1358G>A		non_coding_transcript_exon_variant	4/4

Frequencies

GnomAD3 genomes

AF:

0.00857

AC:

1304

AN:

152162

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0294

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00334

Gnomad ASJ

AF:

0.000576

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000621

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.0127

Gnomad NFE

AF:

0.0000882

Gnomad OTH

AF:

0.00909

GnomAD3 exomes

AF:

0.00214

AC:

537

AN:

251084

Hom.:

AF XY:

0.00176

AC XY:

239

AN XY:

135676

show subpopulations

Gnomad AFR exome

AF:

0.0275

Gnomad AMR exome

AF:

0.00188

Gnomad ASJ exome

AF:

0.000398

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000131

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000970

Gnomad OTH exome

AF:

0.000979

GnomAD4 exome

AF:

0.000852

AC:

1246

AN:

1461886

Hom.:

Cov.:

AF XY:

0.000754

AC XY:

548

AN XY:

727244

show subpopulations

Gnomad4 AFR exome

AF:

0.0281

Gnomad4 AMR exome

AF:

0.00206

Gnomad4 ASJ exome

AF:

0.000230

Gnomad4 EAS exome

AF:

0.0000504

Gnomad4 SAS exome

AF:

0.0000927

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000585

Gnomad4 OTH exome

AF:

0.00205

GnomAD4 genome

AF:

0.00858

AC:

1306

AN:

152280

Hom.:

Cov.:

AF XY:

0.00842

AC XY:

627

AN XY:

74456

show subpopulations

Gnomad4 AFR

AF:

0.0293

Gnomad4 AMR

AF:

0.00353

Gnomad4 ASJ

AF:

0.000576

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000414

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000882

Gnomad4 OTH

AF:

0.00900

Alfa

AF:

0.000757

Hom.:

Bravo

AF:

0.00939

Asia WGS

AF:

0.000866

AC:

AN:

3478

EpiCase

AF:

0.000164

EpiControl

AF:

0.0000593

ClinVar

Significance: Benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Benign, criteria provided, single submitter	not provided	Breakthrough Genomics, Breakthrough Genomics	-	- -
Benign, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Aug 20, 2018	- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.50

CADD

Benign

5.4

DANN

Benign

0.86

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over