rs17122769

Variant names:

Variant summary

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

The NM_005188.4(CBL):c.2710G>A(p.Val904Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000823 in 1,614,104 control chromosomes in the GnomAD database, including 7 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0042 ( 5 hom., cov: 32)

Exomes 𝑓: 0.00047 ( 2 hom. )

Consequence

CBL
NM_005188.4 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:15O:1

Conservation

PhyloP100: 2.71

Variant links:

Genes affected

CBL (HGNC:1541): (Cbl proto-oncogene) This gene is a proto-oncogene that encodes a RING finger E3 ubiquitin ligase. The encoded protein is one of the enzymes required for targeting substrates for degradation by the proteasome. This protein mediates the transfer of ubiquitin from ubiquitin conjugating enzymes (E2) to specific substrates. This protein also contains an N-terminal phosphotyrosine binding domain that allows it to interact with numerous tyrosine-phosphorylated substrates and target them for proteasome degradation. As such it functions as a negative regulator of many signal transduction pathways. This gene has been found to be mutated or translocated in many cancers including acute myeloid leukaemia, and expansion of CGG repeats in the 5' UTR has been associated with Jacobsen syndrome. Mutations in this gene are also the cause of Noonan syndrome-like disorder. [provided by RefSeq, Jul 2016]

CBL links:

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 (MetaRNN=0.0060166717).

BP6

Variant 11-119299770-G-A is Benign according to our data. Variant chr11-119299770-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 133813.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr11-119299770-G-A is described in Lovd as [Benign].

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00422 (642/152292) while in subpopulation AFR AF= 0.0147 (609/41558). AF 95% confidence interval is 0.0137. There are 5 homozygotes in gnomad4. There are 283 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High AC in GnomAd4 at 642 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CBL	NM_005188.4 link	c.2710G>A	p.Val904Ile	missense_variant	Exon 16 of 16	ENST00000264033.6	NP_005179.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CBL	ENST00000264033.6 link	c.2710G>A	p.Val904Ile	missense_variant	Exon 16 of 16	1	NM_005188.4	ENSP00000264033.3		P22681

Frequencies

GnomAD3 genomes

AF:

0.00423

AC:

643

AN:

152174

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0147

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00144

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000118

Gnomad OTH

AF:

0.00143

GnomAD3 exomes

AF:

0.00119

AC:

300

AN:

251306

Hom.:

AF XY:

0.000861

AC XY:

117

AN XY:

135826

show subpopulations

Gnomad AFR exome

AF:

0.0153

Gnomad AMR exome

AF:

0.00107

Gnomad ASJ exome

AF:

0.0000992

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000980

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000704

Gnomad OTH exome

AF:

0.000326

GnomAD4 exome

AF:

0.000470

AC:

687

AN:

1461812

Hom.:

Cov.:

AF XY:

0.000419

AC XY:

305

AN XY:

727210

show subpopulations

Gnomad4 AFR exome

AF:

0.0140

Gnomad4 AMR exome

AF:

0.00116

Gnomad4 ASJ exome

AF:

0.0000383

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000232

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000102

Gnomad4 OTH exome

AF:

0.000762

GnomAD4 genome

AF:

0.00422

AC:

642

AN:

152292

Hom.:

Cov.:

AF XY:

0.00380

AC XY:

283

AN XY:

74452

show subpopulations

Gnomad4 AFR

AF:

0.0147

Gnomad4 AMR

AF:

0.00144

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000118

Gnomad4 OTH

AF:

0.00142

Alfa

AF:

0.00104

Hom.:

Bravo

AF:

0.00488

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000259

AC:

ESP6500AA

AF:

0.0148

AC:

ESP6500EA

AF:

0.000233

AC:

ExAC

AF:

0.00141

AC:

171

Asia WGS

AF:

0.00144

AC:

AN:

3478

EpiCase

AF:

0.000109

EpiControl

AF:

0.000237

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:15Other:1

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:5Other:1

Feb 03, 2020

Women's Health and Genetics/Laboratory Corporation of America, LabCorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

Variant summary: CBL c.2710G>A (p.Val904Ile) results in a conservative amino acid change in the encoded protein sequence. Four of five in-silico tools predict a benign effect of the variant on protein function. The variant allele was found at a frequency of 0.0015 in 282710 control chromosomes, predominantly at a frequency of 0.014 within the African or African-American subpopulation in the gnomAD database, including 1 homozygotes. The observed variant frequency within African or African-American control individuals in the gnomAD database is approximately 5600 fold of the estimated maximal expected allele frequency for a pathogenic variant in CBL causing Noonan Syndrome and Related Conditions phenotype (2.5e-06), strongly suggesting that the variant is a benign polymorphism found primarily in populations of African or African-American origin. To our knowledge, no experimental evidence demonstrating its impact on protein function have been reported. Four clinical ClinVar submitters (evaluation after 2014) cite the variant as likely benign (2x) and benign (2x). Based on the evidence outlined above, the variant was classified as benign. -

Sep 19, 2013

ITMI

Significance: not provided

Review Status: no classification provided

Collection Method: reference population

- -

Apr 02, 2012

GeneDx

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

Mar 19, 2012

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

p.Val904Ile in Exon 16 of CBL: This variant is not expected to have clinical sig nificance because it has been identified in 1.5% (57/3738) of African American c hromosomes from a broad population by the NHLBI Exome Sequencing Project (http:/ /evs.gs.washington.edu/EVS; dbSNP rs17122769). -

Nov 01, 2017

Genetic Services Laboratory, University of Chicago

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

PreventionGenetics, part of Exact Sciences

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

not provided

Benign:4

Breakthrough Genomics, Breakthrough Genomics

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: not provided

- -

Mar 21, 2022

ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Jan 01, 2024

CeGaT Center for Human Genetics Tuebingen

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

CBL: BP4, BS1, BS2 -

Jul 19, 2017

Center for Pediatric Genomic Medicine, Children's Mercy Hospital and Clinics

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

CBL-related disorder

Benign:1

Jan 13, 2018

Illumina Laboratory Services, Illumina

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Juvenile myelomonocytic leukemia

Benign:1

Jul 07, 2023

KCCC/NGS Laboratory, Kuwait Cancer Control Center

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Hereditary cancer-predisposing syndrome

Benign:1

Dec 11, 2024

Molecular Diagnostics Laboratory, Catalan Institute of Oncology

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

BA1, BP4 c.2710G>A, located in exon 16 of the CBL gene, is predicted to result in the substitution of valine by isoleucine at codon 904, p.(Val904Ile). The variant allele was found in 387/268190 alleles, with a filtering allele frequency of 1,2% at 99% confidence, within the African population in the gnomAD v2.1.1 database (non-cancer data set) (BA1). The SpliceAI algorithm predicts no significant impact on splicing. The REVEL meta-predictor score for this variant (0.227) suggests that it does not affect the protein function according to Pejaver et al, 2022 thresholds (PMID: 36413997) (BP4). To our knowledge, no well-established functional studies have been reported for this variant. This variant has been reported in the ClinVar database (11x benign, 3x likely benign) and in LOVD (1x benign). Based on currently available information, the variant c.2710G>A should be considered a benign variant, according to ACMG/AMP classification guidelines. -

Cardiovascular phenotype

Benign:1

Oct 31, 2019

Ambry Genetics

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This alteration is classified as 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. -

Noonan syndrome and Noonan-related syndrome

Benign:1

Dec 12, 2016

Genome Diagnostics Laboratory, The Hospital for Sick Children

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

RASopathy

Benign:1

Feb 03, 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

AlphaMissense

Benign

0.073

BayesDel_addAF

Benign

-0.39

BayesDel_noAF

Benign

-0.31

CADD

Benign

DANN

Benign

0.83

DEOGEN2

Benign

0.31

T;T

Eigen

Benign

-0.47

Eigen_PC

Benign

-0.28

FATHMM_MKL

Uncertain

0.93

LIST_S2

Benign

0.77

T;T

MetaRNN

Benign

0.0060

T;T

MetaSVM

Benign

-0.88

MutationAssessor

Benign

0.51

N;.

PrimateAI

Uncertain

0.50

PROVEAN

Benign

0.040

N;.

REVEL

Benign

0.23

Sift

Benign

0.36

T;.

Sift4G

Benign

0.67

T;T

Polyphen

0.0050

B;.

Vest4

0.14

MVP

0.78

MPC

0.17

ClinPred

0.0092

GERP RS

4.9

Varity_R

0.055

gMVP

0.12

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over