1-235380161-TTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTGTG-TTGTGTGTGTGTGTGTG

Variant names:

Variant summary

Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP6_ModerateBS1BS2

The NM_003193.5(TBCE):c.100+40_100+65delGTGTGTGTGTGTGTGTGTGTGTGTGT variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000986 in 1,138,598 control chromosomes in the GnomAD database, including 3 homozygotes. It is difficult to determine the true allele frequency of this variant because it is of type DEL_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.0025 ( 0 hom., cov: 0)

Exomes 𝑓: 0.00077 ( 3 hom. )

Consequence

TBCE
NM_003193.5 intron

Scores

Not classified

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.667

Publications

1 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 Gene-Disease associations (from GenCC):

hypoparathyroidism-retardation-dysmorphism syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), G2P, Orphanet
early-onset progressive diffuse brain atrophy-microcephaly-muscle weakness-optic atrophy syndrome
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
encephalopathy, progressive, with amyotrophy and optic atrophy
Inheritance: AR Classification: STRONG, LIMITED Submitted by: Ambry Genetics, G2P
autosomal recessive Kenny-Caffey syndrome
Inheritance: AR Classification: MODERATE, SUPPORTIVE Submitted by: Orphanet, Ambry Genetics

TBCE links:

ENSG00000285053 (HGNC:):

ENSG00000285053 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -10 ACMG points.

BP6

Variant 1-235380161-TTGTGTGTGTGTGTGTGTGTGTGTGTG-T is Benign according to our data. Variant chr1-235380161-TTGTGTGTGTGTGTGTGTGTGTGTGTG-T is described in ClinVar as Likely_benign. ClinVar VariationId is 1608290.Status of the report is criteria_provided_single_submitter, 1 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00253 (354/139962) while in subpopulation AFR AF = 0.00779 (299/38364). AF 95% confidence interval is 0.00707. There are 0 homozygotes in GnomAd4. There are 167 alleles in the male GnomAd4 subpopulation. Median coverage is 0. This position passed quality control check.

BS2

High Homozygotes in GnomAdExome4 at 3 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
TBCE	NM_003193.5 link	c.100+40_100+65delGTGTGTGTGTGTGTGTGTGTGTGTGT	intron_variant	Intron 2 of 16	ENST00000642610.2	NP_003184.1	Q15813-1
TBCE	NM_001287801.2 link	c.100+40_100+65delGTGTGTGTGTGTGTGTGTGTGTGTGT	intron_variant	Intron 2 of 17		NP_001274730.1	Q15813-2
TBCE	NM_001079515.3 link	c.100+40_100+65delGTGTGTGTGTGTGTGTGTGTGTGTGT	intron_variant	Intron 2 of 16		NP_001072983.1
TBCE	NM_001287802.2 link	c.-211+40_-211+65delGTGTGTGTGTGTGTGTGTGTGTGTGT	intron_variant	Intron 2 of 15		NP_001274731.1	Q15813A0A2R8Y6Q1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TBCE	ENST00000642610.2 link	c.100+13_100+38delTGTGTGTGTGTGTGTGTGTGTGTGTG		intron_variant	Intron 2 of 16		NM_003193.5	ENSP00000494796.1		Q15813-1
ENSG00000285053	ENST00000647186.1 link	c.100+13_100+38delTGTGTGTGTGTGTGTGTGTGTGTGTG		intron_variant	Intron 4 of 18			ENSP00000494775.1		Q15813-1

Frequencies

GnomAD3 genomes

AF:

0.00250

AC:

349

AN:

139840

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00769

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000888

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000244

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000589

Gnomad OTH

AF:

0.00213

GnomAD4 exome

AF:

0.000770

AC:

769

AN:

998636

Hom.:

AF XY:

0.000647

AC XY:

331

AN XY:

511944

show subpopulations

African (AFR)

AF:

0.00832

AC:

209

AN:

25122

American (AMR)

AF:

0.000529

AC:

AN:

41592

Ashkenazi Jewish (ASJ)

AF:

0.000142

AC:

AN:

21142

East Asian (EAS)

AF:

0.0000881

AC:

AN:

34034

South Asian (SAS)

AF:

0.000468

AC:

AN:

74818

European-Finnish (FIN)

AF:

0.0000860

AC:

AN:

46506

Middle Eastern (MID)

AF:

0.000222

AC:

AN:

4514

European-Non Finnish (NFE)

AF:

0.000615

AC:

435

AN:

707554

Other (OTH)

AF:

0.00131

AC:

AN:

43354

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.481

Heterozygous variant carriers

106

132

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

100

<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:

0.00253

AC:

354

AN:

139962

Hom.:

Cov.:

AF XY:

0.00249

AC XY:

167

AN XY:

67136

show subpopulations

African (AFR)

AF:

0.00779

AC:

299

AN:

38364

American (AMR)

AF:

0.000887

AC:

AN:

13528

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3314

East Asian (EAS)

AF:

0.00

AC:

AN:

4748

South Asian (SAS)

AF:

0.000245

AC:

AN:

4088

European-Finnish (FIN)

AF:

0.00

AC:

AN:

8350

Middle Eastern (MID)

AF:

0.00

AC:

AN:

278

European-Non Finnish (NFE)

AF:

0.000589

AC:

AN:

64508

Other (OTH)

AF:

0.00210

AC:

AN:

1906

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.549

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:

0.00

Hom.:

546

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Jun 13, 2023

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.67

Mutation Taster

=99/1

polymorphism

(source)

Splicing

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

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over