chr3-105685454-C-T

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP6_Very_StrongBS1BS2

The NM_170662.5(CBLB):​c.2067G>A​(p.Pro689=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00677 in 1,612,824 control chromosomes in the GnomAD database, including 62 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0052 ( 4 hom., cov: 33)
Exomes 𝑓: 0.0069 ( 58 hom. )

Consequence

CBLB
NM_170662.5 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: -0.119
Variant links:
Genes affected
CBLB (HGNC:1542): (Cbl proto-oncogene B) This gene encodes an E3 ubiquitin-protein ligase which promotes proteosome-mediated protein degradation by transferring ubiquitin from an E2 ubiquitin-conjugating enzyme to a substrate. The encoded protein is involved in the regulation of immune response by limiting T-cell receptor, B-cell receptor, and high affinity immunoglobulin epsilon receptor activation. Studies in mouse suggest that this gene is involved in antifungal host defense and that its inhibition leads to increased fungal killing. Manipulation of this gene may be beneficial in implementing immunotherapies for a variety of conditions, including cancer, autoimmune diseases, allergies, and infections. [provided by RefSeq, Sep 2017]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP6
Variant 3-105685454-C-T is Benign according to our data. Variant chr3-105685454-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 774844.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population mid. gnomad4_exome allele frequency = 0.00694 (10133/1460616) while in subpopulation MID AF= 0.0184 (106/5764). AF 95% confidence interval is 0.0156. There are 58 homozygotes in gnomad4_exome. There are 4933 alleles in male gnomad4_exome subpopulation. Median coverage is 30. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 4 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CBLBNM_170662.5 linkuse as main transcriptc.2067G>A p.Pro689= synonymous_variant 14/19 ENST00000394030.8 NP_733762.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CBLBENST00000394030.8 linkuse as main transcriptc.2067G>A p.Pro689= synonymous_variant 14/191 NM_170662.5 ENSP00000377598 P1Q13191-1

Frequencies

GnomAD3 genomes
AF:
0.00515
AC:
784
AN:
152090
Hom.:
4
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00193
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00504
Gnomad ASJ
AF:
0.0124
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00457
Gnomad FIN
AF:
0.000471
Gnomad MID
AF:
0.0158
Gnomad NFE
AF:
0.00785
Gnomad OTH
AF:
0.00861
GnomAD3 exomes
AF:
0.00508
AC:
1274
AN:
250732
Hom.:
12
AF XY:
0.00526
AC XY:
713
AN XY:
135492
show subpopulations
Gnomad AFR exome
AF:
0.00129
Gnomad AMR exome
AF:
0.00602
Gnomad ASJ exome
AF:
0.0109
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00226
Gnomad FIN exome
AF:
0.000462
Gnomad NFE exome
AF:
0.00719
Gnomad OTH exome
AF:
0.00670
GnomAD4 exome
AF:
0.00694
AC:
10133
AN:
1460616
Hom.:
58
Cov.:
30
AF XY:
0.00679
AC XY:
4933
AN XY:
726658
show subpopulations
Gnomad4 AFR exome
AF:
0.000897
Gnomad4 AMR exome
AF:
0.00597
Gnomad4 ASJ exome
AF:
0.0113
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00227
Gnomad4 FIN exome
AF:
0.000618
Gnomad4 NFE exome
AF:
0.00792
Gnomad4 OTH exome
AF:
0.00674
GnomAD4 genome
AF:
0.00515
AC:
784
AN:
152208
Hom.:
4
Cov.:
33
AF XY:
0.00481
AC XY:
358
AN XY:
74432
show subpopulations
Gnomad4 AFR
AF:
0.00193
Gnomad4 AMR
AF:
0.00504
Gnomad4 ASJ
AF:
0.0124
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00457
Gnomad4 FIN
AF:
0.000471
Gnomad4 NFE
AF:
0.00785
Gnomad4 OTH
AF:
0.00852
Alfa
AF:
0.00708
Hom.:
4
Bravo
AF:
0.00554
Asia WGS
AF:
0.00115
AC:
4
AN:
3478
EpiCase
AF:
0.0107
EpiControl
AF:
0.0105

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:3
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenMar 01, 2023CBLB: BS2 -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJun 13, 2018- -
CBLB-related disorder Benign:1
Benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesMar 01, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.33
CADD
Benign
13
DANN
Benign
0.57

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.29
Details are displayed if max score is > 0.2
DS_AG_spliceai
0.29
Position offset: -20

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: rs34801525; hg19: chr3-105404298; API