Menu
GeneBe

1-89582767-C-T

Variant summary

Our verdict is Benign. Variant got -15 ACMG points: 0P and 15B. BP4_StrongBP6_ModerateBP7BS1BS2

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

2

Clinical Significance

Benign criteria provided, single submitter B:1

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

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -15 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_single_submitter, 1 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 UniProt
LRRC8BNM_001369817.2 linkuse as main transcriptc.117C>T p.Ala39= synonymous_variant 5/6 ENST00000330947.7
LRRC8BNM_001134476.2 linkuse as main transcriptc.117C>T p.Ala39= synonymous_variant 7/8
LRRC8BNM_001369819.2 linkuse as main transcriptc.117C>T p.Ala39= synonymous_variant 6/7
LRRC8BNM_015350.4 linkuse as main transcriptc.117C>T p.Ala39= synonymous_variant 8/9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
LRRC8BENST00000330947.7 linkuse as main transcriptc.117C>T p.Ala39= synonymous_variant 5/65 NM_001369817.2 P1
LRRC8C-DTENST00000655657.3 linkuse as main transcriptn.1358G>A non_coding_transcript_exon_variant 4/4

Frequencies

GnomAD3 genomes
AF:
0.00857
AC:
1304
AN:
152162
Hom.:
23
Cov.:
32
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.:
8
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.:
17
Cov.:
34
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.:
23
Cov.:
32
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.:
1
Bravo
AF:
0.00939
Asia WGS
AF:
0.000866
AC:
3
AN:
3478
EpiCase
AF:
0.000164
EpiControl
AF:
0.0000593

ClinVar

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

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeAug 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.

Other links and lift over

dbSNP: rs144168873; hg19: chr1-90048326; API