Genetic Variant TCEANC:p.Phe23Ser (chrX-13662576-T-C) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 0P and 5B. BP4BS2

The NM_001297563.2(TCEANC):c.68T>C(p.Phe23Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000174 in 1,210,087 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 5 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000080 ( 0 hom., 3 hem., cov: 23)

Exomes 𝑓: 0.000011 ( 0 hom. 2 hem. )

Consequence

TCEANC
NM_001297563.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.86

Variant links:

Genes affected

TCEANC (HGNC:28277): (transcription elongation factor A N-terminal and central domain containing) Predicted to be involved in transcription, DNA-templated. Predicted to be located in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

TCEANC links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.32562694).

BS2

High Hemizygotes in GnomAd4 at 3 gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TCEANC	NM_001297563.2 link	c.68T>C	p.Phe23Ser	missense_variant	Exon 5 of 5	ENST00000696128.1	NP_001284492.1	Q8N8B7-1A8K5F6
TCEANC	NM_152634.4 link	c.158T>C	p.Phe53Ser	missense_variant	Exon 4 of 4		NP_689847.2	B4DG85
TCEANC	NM_001297564.2 link	c.68T>C	p.Phe23Ser	missense_variant	Exon 3 of 3		NP_001284493.1	Q8N8B7-1
TCEANC	XM_017029316.2 link	c.158T>C	p.Phe53Ser	missense_variant	Exon 4 of 4		XP_016884805.1	Q8N8B7-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TCEANC	ENST00000696128.1 link	c.68T>C	p.Phe23Ser	missense_variant	Exon 5 of 5		NM_001297563.2	ENSP00000512421.1		Q8N8B7-1

Frequencies

GnomAD3 genomes

AF:

0.0000803

AC:

AN:

112052

Hom.:

Cov.:

AF XY:

0.0000877

AC XY:

AN XY:

34218

show subpopulations

Gnomad AFR

AF:

0.000292

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000386

AC:

AN:

181262

Hom.:

AF XY:

0.00

AC XY:

AN XY:

67248

show subpopulations

Gnomad AFR exome

AF:

0.000565

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000109

AC:

AN:

1098035

Hom.:

Cov.:

AF XY:

0.00000550

AC XY:

AN XY:

363463

show subpopulations

Gnomad4 AFR exome

AF:

0.000455

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000803

AC:

AN:

112052

Hom.:

Cov.:

AF XY:

0.0000877

AC XY:

AN XY:

34218

show subpopulations

Gnomad4 AFR

AF:

0.000292

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.000181

ExAC

AF:

0.0000248

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Nov 09, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.158T>C (p.F53S) alteration is located in exon 4 (coding exon 2) of the TCEANC gene. This alteration results from a T to C substitution at nucleotide position 158, causing the phenylalanine (F) at amino acid position 53 to be replaced by a serine (S). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.23

BayesDel_addAF

Benign

-0.33

BayesDel_noAF

Benign

-0.38

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.014

T;.

FATHMM_MKL

Uncertain

0.81

LIST_S2

Benign

0.67

T;T

M_CAP

Benign

0.074

MetaRNN

Benign

0.33

T;T

MetaSVM

Benign

-0.83

MutationAssessor

Uncertain

2.5

M;.

PrimateAI

Benign

0.42

PROVEAN

Uncertain

-2.9

D;.

REVEL

Benign

0.19

Sift

Benign

0.14

T;.

Sift4G

Uncertain

0.0040

D;D

Polyphen

1.0

D;D

Vest4

0.48

MutPred

0.48

Gain of disorder (P = 0.0039);.;

MVP

0.74

ClinPred

0.32

GERP RS

5.1

Varity_R

0.42

gMVP

0.27

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

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

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over