Genetic Variant CBR1:p.Val88Leu (chr21-36070377-G-C) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001757.4(CBR1):c.262G>C(p.Val88Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00000657 in 152,236 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Consequence

CBR1
NM_001757.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.81

Publications

11 publications found

Variant links:

Genes affected

CBR1 (HGNC:1548): (carbonyl reductase 1) The protein encoded by this gene belongs to the short-chain dehydrogenases/reductases (SDR) family, which function as NADPH-dependent oxidoreductases having wide specificity for carbonyl compounds, such as quinones, prostaglandins, and various xenobiotics. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Nov 2013]

CBR1 links:

SETD4 (HGNC:1258): (SET domain containing 4) Enables histone methyltransferase activity (H4-K20 specific). Involved in histone H4-K20 trimethylation. Located in cytosol and nucleus. [provided by Alliance of Genome Resources, Apr 2022]

SETD4 links:

ENSG00000289001 (HGNC:):

ENSG00000289001 links:

CBR1-AS1 (HGNC:55777): (CBR1 antisense RNA 1)

CBR1-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001757.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CBR1	NM_001757.4	MANE Select	c.262G>C	p.Val88Leu	missense	Exon 1 of 3	NP_001748.1	P16152-1
CBR1	NM_001286789.2		c.262G>C	p.Val88Leu	missense	Exon 1 of 3	NP_001273718.1	P16152-2
CBR1-AS1	NR_040084.1		n.486C>G		non_coding_transcript_exon	Exon 4 of 4

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CBR1	ENST00000290349.11	TSL:1 MANE Select	c.262G>C	p.Val88Leu	missense	Exon 1 of 3	ENSP00000290349.6	P16152-1
CBR1	ENST00000439427.2	TSL:1	c.262G>C	p.Val88Leu	missense	Exon 1 of 2	ENSP00000395132.2	E9PQ63
CBR1	ENST00000530908.5	TSL:1	c.262G>C	p.Val88Leu	missense	Exon 1 of 3	ENSP00000434613.1	P16152-2

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152236

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152236

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74382

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41464

American (AMR)

AF:

0.00

AC:

AN:

15292

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68036

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.74

BayesDel_addAF

Benign

-0.056

BayesDel_noAF

Benign

-0.32

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.61

Eigen

Uncertain

0.38

Eigen_PC

Uncertain

0.37

FATHMM_MKL

Uncertain

0.86

LIST_S2

Pathogenic

0.99

M_CAP

Benign

0.023

MetaRNN

Uncertain

0.58

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.5

PhyloP100

3.8

PrimateAI

Uncertain

0.51

PROVEAN

Benign

-2.3

REVEL

Benign

0.18

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.0040

Polyphen

0.33

Vest4

0.57

MutPred

0.40

Gain of catalytic residue at V88 (P = 0.0744)

MVP

0.14

MPC

0.48

ClinPred

0.97

GERP RS

3.9

PromoterAI

-0.063

Neutral

(source)

Varity_R

0.96

gMVP

0.75

Mutation Taster

=70/30

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over