chr16-28477620-G-C

Variant summary

Our verdict is Likely pathogenic. Variant got 8 ACMG points: 8P and 0B. PM2PM5PP3_Strong

The NM_001042432.2(CLN3):ā€‹c.1213C>Gā€‹(p.Arg405Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,714 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R405W) has been classified as Pathogenic.

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 6.8e-7 ( 0 hom. )

Consequence

CLN3
NM_001042432.2 missense

Scores

9
9
1

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.48
Variant links:
Genes affected
CLN3 (HGNC:2074): (CLN3 lysosomal/endosomal transmembrane protein, battenin) This gene encodes a protein that is involved in lysosomal function. Mutations in this, as well as other neuronal ceroid-lipofuscinosis (CLN) genes, cause neurodegenerative diseases commonly known as Batten disease or collectively known as neuronal ceroid lipofuscinoses (NCLs). Many alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 8 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr16-28477620-G-A is described in Lovd as [Pathogenic].
PP3
MetaRNN computational evidence supports a deleterious effect, 0.961

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CLN3NM_001042432.2 linkuse as main transcriptc.1213C>G p.Arg405Gly missense_variant 16/16 ENST00000636147.2 NP_001035897.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CLN3ENST00000636147.2 linkuse as main transcriptc.1213C>G p.Arg405Gly missense_variant 16/161 NM_001042432.2 ENSP00000490105 P1Q13286-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000399
AC:
1
AN:
250418
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135432
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461714
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
727148
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000824
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.64
BayesDel_addAF
Pathogenic
0.39
D
BayesDel_noAF
Pathogenic
0.50
CADD
Pathogenic
32
DANN
Uncertain
1.0
DEOGEN2
Pathogenic
0.99
D;D;.;.;D;.;.;D;D;D;.;D;.;.
Eigen
Uncertain
0.68
Eigen_PC
Uncertain
0.58
FATHMM_MKL
Uncertain
0.90
D
LIST_S2
Uncertain
0.94
.;.;D;.;.;D;D;D;.;D;D;D;.;D
M_CAP
Pathogenic
0.54
D
MetaRNN
Pathogenic
0.96
D;D;D;D;D;D;D;D;D;D;D;D;D;D
MetaSVM
Uncertain
-0.13
T
MutationAssessor
Pathogenic
3.9
H;H;.;.;.;.;.;.;H;.;.;.;.;.
MutationTaster
Benign
1.0
D;D;D;D;D;D;D;D;D;D;D;N
PrimateAI
Uncertain
0.49
T
PROVEAN
Pathogenic
-5.6
.;D;.;.;D;D;D;.;D;.;D;.;.;D
REVEL
Pathogenic
0.71
Sift
Uncertain
0.0020
.;D;.;.;D;D;D;.;D;.;D;.;.;D
Sift4G
Uncertain
0.0090
.;.;D;.;D;D;D;.;D;.;D;.;.;.
Polyphen
1.0
D;D;.;.;D;.;.;.;D;D;D;D;.;D
Vest4
0.69, 0.78, 0.76, 0.77, 0.79, 0.83
MutPred
0.73
Loss of sheet (P = 0.0817);Loss of sheet (P = 0.0817);.;.;.;.;.;.;Loss of sheet (P = 0.0817);.;.;.;.;.;
MVP
0.96
MPC
0.68
ClinPred
0.99
D
GERP RS
4.1
Varity_R
0.92
gMVP
0.91

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: rs139842473; hg19: chr16-28488941; API