Genetic Variant CIBAR1:p.Arg233Leu (chr8-93726434-G-T) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_145269.5(CIBAR1):c.698G>T(p.Arg233Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000291 in 1,613,418 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 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000031 ( 0 hom. )

Consequence

CIBAR1
NM_145269.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.63

Variant links:

Genes affected

CIBAR1 (HGNC:30452): (CBY1 interacting BAR domain containing 1) Enables phospholipid binding activity. Involved in several processes, including inner mitochondrial membrane organization; limb morphogenesis; and membrane tubulation. Located in several cellular components, including centriole; ciliary base; and mitochondrial crista. [provided by Alliance of Genome Resources, Apr 2022]

CIBAR1 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

Splicing scoreres supports a deletorius effect: Scorers claiming Pathogenic: max_spliceai. No scorers claiming Uncertain. No scorers claiming Benign.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CIBAR1	NM_145269.5 link	c.698G>T	p.Arg233Leu	missense_variant	Exon 8 of 9	ENST00000518322.6	NP_660312.2	A1XBS5-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CIBAR1	ENST00000518322.6 link	c.698G>T	p.Arg233Leu	missense_variant	Exon 8 of 9	5	NM_145269.5	ENSP00000429367.1		A1XBS5-1

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152098

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:

0.000414

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000844

AC:

AN:

248960

Hom.:

AF XY:

0.000104

AC XY:

AN XY:

135070

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.000687

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000308

AC:

AN:

1461202

Hom.:

Cov.:

AF XY:

0.0000413

AC XY:

AN XY:

726906

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.000510

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152216

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74416

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000414

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000269

Hom.:

ExAC

AF:

0.0000911

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.86

BayesDel_addAF

Uncertain

0.036

BayesDel_noAF

Pathogenic

0.18

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Benign

0.17

T;.;T;.;.;T

Eigen

Uncertain

0.60

Eigen_PC

Uncertain

0.66

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.95

D;D;D;.;D;D

M_CAP

Benign

0.060

MetaRNN

Uncertain

0.58

D;D;D;D;D;D

MetaSVM

Uncertain

-0.19

PrimateAI

Uncertain

0.60

PROVEAN

Pathogenic

-4.9

D;D;.;D;D;D

REVEL

Uncertain

0.44

Sift

Uncertain

0.0070

D;D;.;D;D;D

Sift4G

Uncertain

0.0070

D;D;D;D;D;T

Polyphen

0.21

B;P;.;.;.;.

Vest4

0.89

MutPred

0.44

Loss of disorder (P = 0.0393);.;.;.;.;.;

MVP

0.69

MPC

0.20

ClinPred

0.35

GERP RS

5.5

Varity_R

0.51

gMVP

0.60

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.51

Details are displayed if max score is > 0.2

DS_AG_spliceai

0.51

Position offset: 6

DS_AL_spliceai

0.42

Position offset: -40

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

Computational scores

Splicing

Publications

LitVar

Other links and lift over