18-72542461-G-T

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_182511.4(CBLN2):​c.-166-135C>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.008 in 184,812 control chromosomes in the GnomAD database, including 15 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0083 ( 14 hom., cov: 31)
Exomes 𝑓: 0.0065 ( 1 hom. )

Consequence

CBLN2
NM_182511.4 intron

Scores

2

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.671
Variant links:
Genes affected
CBLN2 (HGNC:1544): (cerebellin 2 precursor) Predicted to be involved in maintenance of synapse structure and spontaneous synaptic transmission. Predicted to act upstream of or within positive regulation of synapse assembly. Predicted to be located in extracellular space. Predicted to be active in glutamatergic synapse. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.87).
BP6
Variant 18-72542461-G-T is Benign according to our data. Variant chr18-72542461-G-T is described in ClinVar as [Likely_benign]. Clinvar id is 1316642.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.00832 (1265/151966) while in subpopulation SAS AF= 0.0394 (189/4800). AF 95% confidence interval is 0.0348. There are 14 homozygotes in gnomad4. There are 647 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 14 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CBLN2NM_182511.4 linkuse as main transcriptc.-166-135C>A intron_variant ENST00000269503.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CBLN2ENST00000269503.9 linkuse as main transcriptc.-166-135C>A intron_variant 1 NM_182511.4 P1

Frequencies

GnomAD3 genomes
AF:
0.00832
AC:
1264
AN:
151848
Hom.:
13
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00247
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00917
Gnomad ASJ
AF:
0.00519
Gnomad EAS
AF:
0.0228
Gnomad SAS
AF:
0.0391
Gnomad FIN
AF:
0.00151
Gnomad MID
AF:
0.00949
Gnomad NFE
AF:
0.00977
Gnomad OTH
AF:
0.00814
GnomAD4 exome
AF:
0.00652
AC:
214
AN:
32846
Hom.:
1
AF XY:
0.00616
AC XY:
107
AN XY:
17358
show subpopulations
Gnomad4 AFR exome
AF:
0.00391
Gnomad4 AMR exome
AF:
0.00629
Gnomad4 ASJ exome
AF:
0.00523
Gnomad4 EAS exome
AF:
0.0172
Gnomad4 SAS exome
AF:
0.0317
Gnomad4 FIN exome
AF:
0.000303
Gnomad4 NFE exome
AF:
0.00693
Gnomad4 OTH exome
AF:
0.00486
GnomAD4 genome
AF:
0.00832
AC:
1265
AN:
151966
Hom.:
14
Cov.:
31
AF XY:
0.00871
AC XY:
647
AN XY:
74282
show subpopulations
Gnomad4 AFR
AF:
0.00246
Gnomad4 AMR
AF:
0.00916
Gnomad4 ASJ
AF:
0.00519
Gnomad4 EAS
AF:
0.0233
Gnomad4 SAS
AF:
0.0394
Gnomad4 FIN
AF:
0.00151
Gnomad4 NFE
AF:
0.00977
Gnomad4 OTH
AF:
0.00758
Alfa
AF:
0.00907
Hom.:
1
Bravo
AF:
0.00745
Asia WGS
AF:
0.0310
AC:
107
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Likely benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Likely benign, criteria provided, single submitterclinical testingGeneDxJul 30, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.87
CADD
Benign
4.1
DANN
Benign
0.83

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: rs76871698; hg19: chr18-70209696; API