Genetic Variant TBCE:c.661-1115C>T (chr1-235433089-C-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6BP7

The NM_001287801.2(TBCE):c.804C>T(p.Asn268Asn) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000011 in 1,543,690 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 31)

Exomes 𝑓: 0.0000093 ( 0 hom. )

Consequence

TBCE
NM_001287801.2 synonymous

Scores

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: -1.27

Publications

0 publications found

Variant links:

Genes affected

TBCE (HGNC:11582): (tubulin folding cofactor E) Cofactor E is one of four proteins (cofactors A, D, E, and C) involved in the pathway leading to correctly folded beta-tubulin from folding intermediates. Cofactors A and D are believed to play a role in capturing and stabilizing beta-tubulin intermediates in a quasi-native confirmation. Cofactor E binds to the cofactor D/beta-tubulin complex; interaction with cofactor C then causes the release of beta-tubulin polypeptides that are committed to the native state. Two transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Jul 2008]

TBCE links:

ENSG00000285053 (HGNC:):

ENSG00000285053 links:

RPS21P1 (HGNC:36401): (ribosomal protein S21 pseudogene 1)

RPS21P1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.96).

BP6

Variant 1-235433089-C-T is Benign according to our data. Variant chr1-235433089-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 3036875.Status of the report is no_assertion_criteria_provided, 0 stars.

BP7

Synonymous conserved (PhyloP=-1.27 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001287801.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TBCE	NM_003193.5	MANE Select	c.661-1115C>T		intron	N/A	NP_003184.1	Q15813-1
TBCE	NM_001287801.2		c.804C>T	p.Asn268Asn	synonymous	Exon 8 of 18	NP_001274730.1	Q15813-2
TBCE	NM_001079515.3		c.661-1115C>T		intron	N/A	NP_001072983.1	Q15813-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
TBCE	ENST00000642610.2	MANE Select	c.661-1115C>T	intron	N/A	ENSP00000494796.1	Q15813-1
ENSG00000285053	ENST00000647186.1		c.661-1115C>T	intron	N/A	ENSP00000494775.1
TBCE	ENST00000366601.8	TSL:1	c.472-1115C>T	intron	N/A	ENSP00000355560.4	A0A2U3TZJ6

Frequencies

GnomAD3 genomes

AF:

0.0000263

AC:

AN:

152074

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000655

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

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:

0.0000128

AC:

AN:

156314

AF XY:

0.0000116

show subpopulations

Gnomad AFR exome

AF:

0.000116

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:

0.0000145

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000934

AC:

AN:

1391498

Hom.:

Cov.:

AF XY:

0.00000581

AC XY:

AN XY:

688734

show subpopulations

African (AFR)

AF:

0.0000317

AC:

AN:

31516

American (AMR)

AF:

0.00

AC:

AN:

36458

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25290

East Asian (EAS)

AF:

0.00

AC:

AN:

36330

South Asian (SAS)

AF:

0.0000256

AC:

AN:

77996

European-Finnish (FIN)

AF:

0.00

AC:

AN:

35082

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5410

European-Non Finnish (NFE)

AF:

0.00000922

AC:

AN:

1085158

Other (OTH)

AF:

0.00

AC:

AN:

58258

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.440

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000263

AC:

AN:

152192

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74386

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41540

American (AMR)

AF:

0.0000655

AC:

AN:

15276

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.000193

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10574

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68008

Other (OTH)

AF:

0.00

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.413

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.0000540

Hom.:

Bravo

AF:

0.0000151

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Likely benign

Revision:no assertion criteria provided

View on ClinVar

Pathogenic

VUS

Benign

Condition

TBCE-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.96

CADD

Benign

1.5

(source)

DANN

Benign

0.46

PhyloP100

-1.3

Mutation Taster

=100/0

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over