15-68208236-C-T

Variant summary

Our verdict is Benign. Variant got -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS1

The NM_017882.3(CLN6):​c.840G>A​(p.Leu280Leu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000333 in 1,614,086 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0018 ( 1 hom., cov: 32)
Exomes 𝑓: 0.00018 ( 1 hom. )

Consequence

CLN6
NM_017882.3 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 0.424
Variant links:
Genes affected
CLN6 (HGNC:2077): (CLN6 transmembrane ER protein) This gene is one of eight which have been associated with neuronal ceroid lipofuscinoses (NCL). Also referred to as Batten disease, NCL comprises a class of autosomal recessive, neurodegenerative disorders affecting children. The genes responsible likely encode proteins involved in the degradation of post-translationally modified proteins in lysosomes. The primary defect in NCL disorders is thought to be associated with lysosomal storage function. [provided by RefSeq, Oct 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -17 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.48).
BP6
Variant 15-68208236-C-T is Benign according to our data. Variant chr15-68208236-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 415533.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=0.424 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00181 (276/152262) while in subpopulation AFR AF= 0.00607 (252/41546). AF 95% confidence interval is 0.00545. There are 1 homozygotes in gnomad4. There are 121 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CLN6NM_017882.3 linkc.840G>A p.Leu280Leu synonymous_variant Exon 7 of 7 ENST00000249806.11 NP_060352.1 Q9NWW5-1A0A024R601
CLN6NM_001411068.1 linkc.936G>A p.Leu312Leu synonymous_variant Exon 7 of 7 NP_001397997.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CLN6ENST00000249806.11 linkc.840G>A p.Leu280Leu synonymous_variant Exon 7 of 7 1 NM_017882.3 ENSP00000249806.5 Q9NWW5-1
ENSG00000260007ENST00000562767.2 linkc.84-10608G>A intron_variant Intron 1 of 2 3 ENSP00000456336.1 H3BRN7

Frequencies

GnomAD3 genomes
AF:
0.00181
AC:
276
AN:
152142
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00608
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00118
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00191
GnomAD3 exomes
AF:
0.000430
AC:
108
AN:
251400
Hom.:
1
AF XY:
0.000272
AC XY:
37
AN XY:
135892
show subpopulations
Gnomad AFR exome
AF:
0.00591
Gnomad AMR exome
AF:
0.000260
Gnomad ASJ exome
AF:
0.0000992
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000880
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000179
AC:
261
AN:
1461824
Hom.:
1
Cov.:
38
AF XY:
0.000150
AC XY:
109
AN XY:
727210
show subpopulations
Gnomad4 AFR exome
AF:
0.00633
Gnomad4 AMR exome
AF:
0.000358
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000989
Gnomad4 OTH exome
AF:
0.000331
GnomAD4 genome
AF:
0.00181
AC:
276
AN:
152262
Hom.:
1
Cov.:
32
AF XY:
0.00163
AC XY:
121
AN XY:
74448
show subpopulations
Gnomad4 AFR
AF:
0.00607
Gnomad4 AMR
AF:
0.00118
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00189
Alfa
AF:
0.000899
Hom.:
0
Bravo
AF:
0.00204
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

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

Submissions by phenotype

not provided Benign:4
Jan 25, 2018
Athena Diagnostics
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

May 15, 2017
Mayo Clinic Laboratories, Mayo Clinic
Significance: Benign
Review Status: no assertion criteria provided
Collection Method: clinical testing

- -

Mar 03, 2015
GeneDx
Significance: Benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Dec 01, 2024
CeGaT Center for Human Genetics Tuebingen
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

CLN6: BP4, BP7 -

not specified Benign:1
Apr 24, 2024
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

- -

Inborn genetic diseases Benign:1
Aug 29, 2016
Ambry Genetics
Significance: Likely benign
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Neuronal ceroid lipofuscinosis Benign:1
Feb 02, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance: 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
-0.48
CADD
Benign
4.4
DANN
Benign
0.88
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: rs148949069; hg19: chr15-68500574; API