13-76992016-G-T

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The ENST00000636183.2(CLN5):​c.-83G>T variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000884 in 1,606,402 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000098 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000087 ( 0 hom. )

Consequence

CLN5
ENST00000636183.2 5_prime_UTR

Scores

2
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:2

Conservation

PhyloP100: -0.487

Publications

0 publications found
Variant links:
Genes affected
CLN5 (HGNC:2076): (CLN5 intracellular trafficking 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]
CLN5 Gene-Disease associations (from GenCC):
  • neuronal ceroid lipofuscinosis
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • neuronal ceroid lipofuscinosis 5
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae), Orphanet, Myriad Women’s Health

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.08204678).

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000636183.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CLN5
NM_006493.4
MANE Select
c.-83G>T
upstream_gene
N/ANP_006484.2
CLN5
NM_001366624.2
c.-83G>T
upstream_gene
N/ANP_001353553.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CLN5
ENST00000636183.2
TSL:1
c.-83G>T
5_prime_UTR
Exon 1 of 4ENSP00000490181.2
CLN5
ENST00000377453.9
TSL:1 MANE Select
c.-83G>T
upstream_gene
N/AENSP00000366673.5
ENSG00000283208
ENST00000638147.2
TSL:5
c.-83G>T
upstream_gene
N/AENSP00000490953.2

Frequencies

GnomAD3 genomes
AF:
0.0000986
AC:
15
AN:
152204
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000724
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:
0.000188
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000147
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000496
AC:
11
AN:
221896
AF XY:
0.0000487
show subpopulations
Gnomad AFR exome
AF:
0.0000791
Gnomad AMR exome
AF:
0.0000298
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000326
Gnomad NFE exome
AF:
0.0000313
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000873
AC:
127
AN:
1454082
Hom.:
0
Cov.:
34
AF XY:
0.0000816
AC XY:
59
AN XY:
723134
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33342
American (AMR)
AF:
0.0000452
AC:
2
AN:
44278
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25938
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39524
South Asian (SAS)
AF:
0.00
AC:
0
AN:
85528
European-Finnish (FIN)
AF:
0.000160
AC:
8
AN:
49904
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5506
European-Non Finnish (NFE)
AF:
0.000104
AC:
115
AN:
1110042
Other (OTH)
AF:
0.0000333
AC:
2
AN:
60020
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
9
18
28
37
46
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<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:
0.0000985
AC:
15
AN:
152320
Hom.:
0
Cov.:
32
AF XY:
0.0000671
AC XY:
5
AN XY:
74488
show subpopulations
African (AFR)
AF:
0.0000722
AC:
3
AN:
41572
American (AMR)
AF:
0.00
AC:
0
AN:
15302
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5180
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.000188
AC:
2
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
292
European-Non Finnish (NFE)
AF:
0.000147
AC:
10
AN:
68024
Other (OTH)
AF:
0.00
AC:
0
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.532
Heterozygous variant carriers
0
1
3
4
6
7
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
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:
0.0000854
Hom.:
0
Bravo
AF:
0.0000491
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ExAC
AF:
0.0000426
AC:
5

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:2
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Neuronal ceroid lipofuscinosis 5 Uncertain:1
Apr 16, 2020
Natera, Inc.
Significance:Uncertain significance
Review Status:no assertion criteria provided
Collection Method:clinical testing

Neuronal ceroid lipofuscinosis Uncertain:1
Nov 05, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change replaces arginine, which is basic and polar, with leucine, which is neutral and non-polar, at codon 22 of the CLN5 protein (p.Arg22Leu). This variant is present in population databases (rs576642281, gnomAD 0.03%). This missense change has been observed in individual(s) with clinical features of spastic ataxia (PMID: 29482223). ClinVar contains an entry for this variant (Variation ID: 409276). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.33
T
BayesDel_noAF
Benign
-0.52
CADD
Benign
2.5
DANN
Uncertain
0.98
DEOGEN2
Benign
0.069
T
Eigen
Benign
-0.82
Eigen_PC
Benign
-1.1
FATHMM_MKL
Benign
0.025
N
LIST_S2
Benign
0.32
T
M_CAP
Benign
0.0010
T
MetaRNN
Benign
0.082
T
MetaSVM
Benign
-1.0
T
PhyloP100
-0.49
PrimateAI
Uncertain
0.59
T
MutPred
0.38
Gain of catalytic residue at R22 (P = 0.0086)
ClinPred
0.51
D
GERP RS
-4.2
PromoterAI
0.093
Neutral

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

Other links and lift over

dbSNP: rs576642281; hg19: chr13-77566151; API