rs7000747

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_019098.5(CNGB3):​c.1781+10A>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00898 in 1,553,838 control chromosomes in the GnomAD database, including 1,016 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.047 ( 546 hom., cov: 32)
Exomes 𝑓: 0.0049 ( 470 hom. )

Consequence

CNGB3
NM_019098.5 intron

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 1.73
Variant links:
Genes affected
CNGB3 (HGNC:2153): (cyclic nucleotide gated channel subunit beta 3) This gene encodes the beta subunit of a cyclic nucleotide-gated ion channel. The encoded beta subunit appears to play a role in modulation of channel function in cone photoreceptors. This heterotetrameric channel is necessary for sensory transduction, and mutations in this gene have been associated with achromatopsia 3, progressive cone dystrophy, and juvenile macular degeneration, also known as Stargardt Disease. [provided by RefSeq, Feb 2010]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.74).
BP6
Variant 8-86604083-T-A is Benign according to our data. Variant chr8-86604083-T-A is described in ClinVar as [Benign]. Clinvar id is 261084.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr8-86604083-T-A is described in Lovd as [Benign].
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.158 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CNGB3NM_019098.5 linkc.1781+10A>T intron_variant Intron 15 of 17 ENST00000320005.6 NP_061971.3 Q9NQW8-1
CNGB3XM_011517138.3 linkc.1367+10A>T intron_variant Intron 13 of 15 XP_011515440.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CNGB3ENST00000320005.6 linkc.1781+10A>T intron_variant Intron 15 of 17 1 NM_019098.5 ENSP00000316605.5 Q9NQW8-1
CNGB3ENST00000681546.1 linkn.1601+10A>T intron_variant Intron 10 of 12
CNGB3ENST00000681746.1 linkn.*192+10A>T intron_variant Intron 16 of 18 ENSP00000505959.1 A0A5J6DSN8

Frequencies

GnomAD3 genomes
AF:
0.0465
AC:
7068
AN:
152160
Hom.:
542
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.161
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0185
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000828
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00637
Gnomad NFE
AF:
0.000705
Gnomad OTH
AF:
0.0311
GnomAD3 exomes
AF:
0.0124
AC:
3103
AN:
251010
Hom.:
207
AF XY:
0.00873
AC XY:
1184
AN XY:
135688
show subpopulations
Gnomad AFR exome
AF:
0.164
Gnomad AMR exome
AF:
0.00958
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000229
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000423
Gnomad OTH exome
AF:
0.00802
GnomAD4 exome
AF:
0.00489
AC:
6860
AN:
1401560
Hom.:
470
Cov.:
23
AF XY:
0.00420
AC XY:
2942
AN XY:
701264
show subpopulations
Gnomad4 AFR exome
AF:
0.165
Gnomad4 AMR exome
AF:
0.0115
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000553
Gnomad4 FIN exome
AF:
0.0000188
Gnomad4 NFE exome
AF:
0.000289
Gnomad4 OTH exome
AF:
0.0109
GnomAD4 genome
AF:
0.0466
AC:
7093
AN:
152278
Hom.:
546
Cov.:
32
AF XY:
0.0445
AC XY:
3318
AN XY:
74492
show subpopulations
Gnomad4 AFR
AF:
0.161
Gnomad4 AMR
AF:
0.0184
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000414
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000706
Gnomad4 OTH
AF:
0.0308
Alfa
AF:
0.0244
Hom.:
53
Bravo
AF:
0.0532
Asia WGS
AF:
0.0130
AC:
46
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:7
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:3
Feb 03, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Feb 02, 2019
GeneDx
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

-
Breakthrough Genomics, Breakthrough Genomics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: not provided

- -

not specified Benign:1
-
PreventionGenetics, part of Exact Sciences
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Achromatopsia Benign:1
Sep 14, 2019
Natera, Inc.
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Severe early-childhood-onset retinal dystrophy Benign:1
Jan 12, 2018
Illumina Laboratory Services, Illumina
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Achromatopsia 3 Benign:1
Jan 12, 2018
Illumina Laboratory Services, Illumina
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.74
CADD
Benign
13
DANN
Benign
0.67

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: rs7000747; hg19: chr8-87616311; API