dbSNP rs575743173: CIB3:p.Arg163Leu (chr19-16164772-C-A) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM1PM2

The NM_054113.4(CIB3):c.488G>T(p.Arg163Leu) 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 1,461,864 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. R163Q) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

CIB3
NM_054113.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.97

Publications

0 publications found

Variant links:

Genes affected

CIB3 (HGNC:24580): (calcium and integrin binding family member 3) This gene product shares a high degree of sequence similarity with DNA-dependent protein kinase catalytic subunit-interacting protein 2 in human and mouse, and like them may bind the catalytic subunit of DNA-dependent protein kinases. The exact function of this gene is not known. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2014]

CIB3 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM1

In a binding_site (size 0) in uniprot entity CIB3_HUMAN

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CIB3	NM_054113.4 link	c.488G>T	p.Arg163Leu	missense_variant	Exon 5 of 6	ENST00000269878.8	NP_473454.1	Q96Q77-1
CIB3	NM_001300922.2 link	c.341G>T	p.Arg114Leu	missense_variant	Exon 3 of 4		NP_001287851.1	Q96Q77-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CIB3	ENST00000269878.8 link	c.488G>T	p.Arg163Leu	missense_variant	Exon 5 of 6	1	NM_054113.4	ENSP00000269878.3		Q96Q77-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461864

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727232

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111986

Other (OTH)

AF:

0.00

AC:

AN:

60396

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.325

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.21

BayesDel_addAF

Uncertain

0.024

BayesDel_noAF

Benign

-0.20

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.39

T;.

Eigen

Benign

-0.14

Eigen_PC

Benign

-0.065

FATHMM_MKL

Uncertain

0.87

LIST_S2

Uncertain

0.92

D;D

M_CAP

Benign

0.072

MetaRNN

Uncertain

0.43

T;T

MetaSVM

Benign

-0.70

MutationAssessor

Benign

1.4

L;.

PhyloP100

2.0

PrimateAI

Uncertain

0.48

PROVEAN

Uncertain

-3.5

D;D

REVEL

Benign

0.28

Sift

Benign

0.15

T;T

Sift4G

Benign

0.12

T;T

Polyphen

0.31

B;.

Vest4

0.55

MutPred

0.40

Loss of disorder (P = 0.0543);.;

MVP

0.69

MPC

0.11

ClinPred

0.89

GERP RS

3.5

Varity_R

0.35

gMVP

0.86

Mutation Taster

=62/38

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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rs575743173

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over