Genetic Variant TBCEL:p.Val206Leu (chr11-121055212-G-C) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001363644.2(TBCEL):c.616G>C(p.Val206Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000659 in 151,698 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. 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. V206I) has been classified as Uncertain significance.

Frequency

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

Consequence

TBCEL
NM_001363644.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.85

Publications

5 publications found

Variant links:

Genes affected

TBCEL (HGNC:28115): (tubulin folding cofactor E like) Predicted to enable alpha-tubulin binding activity. Predicted to be involved in microtubule cytoskeleton organization; post-chaperonin tubulin folding pathway; and tubulin complex assembly. Predicted to be located in cytoskeleton. Predicted to be active in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

TBCEL links:

TBCEL-TECTA (HGNC:54857): (TBCEL-TECTA readthrough) Predicted to enable alpha-tubulin binding activity. Predicted to be involved in microtubule cytoskeleton organization; post-chaperonin tubulin folding pathway; and tubulin complex assembly. Predicted to be active in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

TBCEL-TECTA links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.23938033).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TBCEL	NM_001363644.2 link	c.616G>C	p.Val206Leu	missense_variant	Exon 6 of 9	ENST00000683345.1	NP_001350573.1
TBCEL-TECTA	NM_001378761.1 link	c.616G>C	p.Val206Leu	missense_variant	Exon 5 of 30		NP_001365690.1
TBCEL	NM_001130047.3 link	c.616G>C	p.Val206Leu	missense_variant	Exon 5 of 8		NP_001123519.1	Q5QJ74
TBCEL	NM_152715.5 link	c.616G>C	p.Val206Leu	missense_variant	Exon 5 of 8		NP_689928.3	Q5QJ74

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TBCEL	ENST00000683345.1 link	c.616G>C	p.Val206Leu	missense_variant	Exon 6 of 9		NM_001363644.2	ENSP00000507873.1		Q5QJ74
TBCEL-TECTA	ENST00000645041.1 link	c.568G>C	p.Val190Leu	missense_variant	Exon 4 of 10			ENSP00000496315.1		A0A2R8YFB7

Frequencies

GnomAD3 genomes

AF:

0.00000659

AC:

AN:

151698

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

GnomAD2 exomes

AF:

0.00000399

AC:

AN:

250500

AF XY:

0.00

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000883

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000659

AC:

AN:

151698

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74076

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41312

American (AMR)

AF:

0.00

AC:

AN:

15208

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3464

East Asian (EAS)

AF:

0.00

AC:

AN:

5154

South Asian (SAS)

AF:

0.00

AC:

AN:

4812

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10580

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

67860

Other (OTH)

AF:

0.00

AC:

AN:

2080

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.52

BayesDel_addAF

Benign

-0.074

BayesDel_noAF

Benign

-0.34

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.070

T;T;T;.

Eigen

Benign

-0.18

Eigen_PC

Benign

0.061

FATHMM_MKL

Uncertain

0.97

LIST_S2

Uncertain

0.95

.;D;D;D

M_CAP

Benign

0.0059

MetaRNN

Benign

0.24

T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.71

N;N;.;.

PhyloP100

2.9

PrimateAI

Uncertain

0.61

PROVEAN

Benign

-2.0

N;N;N;.

REVEL

Benign

0.11

Sift

Uncertain

0.011

D;D;D;.

Sift4G

Uncertain

0.026

D;D;D;.

Polyphen

0.072

B;B;.;.

Vest4

0.37

MutPred

0.47

Loss of sheet (P = 0.1398);Loss of sheet (P = 0.1398);Loss of sheet (P = 0.1398);.;

MVP

0.53

MPC

0.85

ClinPred

0.41

GERP RS

5.0

Varity_R

0.19

gMVP

0.46

Mutation Taster

=88/12

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over