Genetic Variant TCEAL2:p.Leu4Pro (chrX-102126841-T-C) – ACMG Classification: Benign (-8 pts)

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_080390.4(TCEAL2):c.11T>C(p.Leu4Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000113 in 1,203,473 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 44 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. L4H) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000027 ( 0 hom., 2 hem., cov: 24)

Exomes 𝑓: 0.00012 ( 0 hom. 42 hem. )

Consequence

TCEAL2
NM_080390.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.00500

Publications

0 publications found

Variant links:

Genes affected

TCEAL2 (HGNC:29818): (transcription elongation factor A like 2) This gene encodes a member of the transcription elongation factor A (SII)-like (TCEAL) gene family. Members of this family contain TFA domains and may function as nuclear phosphoproteins that modulate transcription in a promoter context-dependent manner. Multiple family members are located on the X chromosome. [provided by RefSeq, Jul 2008]

TCEAL2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.053761095).

BS2

High Hemizygotes in GnomAd4 at 2 gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_080390.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TCEAL2	NM_080390.4	MANE Select	c.11T>C	p.Leu4Pro	missense	Exon 3 of 3	NP_525129.1	Q9H3H9

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TCEAL2	ENST00000372780.6	TSL:1 MANE Select	c.11T>C	p.Leu4Pro	missense	Exon 3 of 3	ENSP00000361866.1	Q9H3H9
TCEAL2	ENST00000476749.1	TSL:1	n.796T>C		non_coding_transcript_exon	Exon 2 of 2
TCEAL2	ENST00000329035.2	TSL:5	c.11T>C	p.Leu4Pro	missense	Exon 3 of 3	ENSP00000332359.2	Q9H3H9

Frequencies

GnomAD3 genomes

AF:

0.0000267

AC:

AN:

112159

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:

0.0000564

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000342

AC:

AN:

175405

AF XY:

0.0000323

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:

0.0000756

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000122

AC:

133

AN:

1091314

Hom.:

Cov.:

AF XY:

0.000117

AC XY:

AN XY:

359340

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

25752

American (AMR)

AF:

0.00

AC:

AN:

33756

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19028

East Asian (EAS)

AF:

0.00

AC:

AN:

30160

South Asian (SAS)

AF:

0.00

AC:

AN:

52662

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40415

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4080

European-Non Finnish (NFE)

AF:

0.000155

AC:

130

AN:

839779

Other (OTH)

AF:

0.0000657

AC:

AN:

45682

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.484

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

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:

0.0000267

AC:

AN:

112159

Hom.:

Cov.:

AF XY:

0.0000582

AC XY:

AN XY:

34385

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

30821

American (AMR)

AF:

0.00

AC:

AN:

10654

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2644

East Asian (EAS)

AF:

0.00

AC:

AN:

3570

South Asian (SAS)

AF:

0.00

AC:

AN:

2700

European-Finnish (FIN)

AF:

0.00

AC:

AN:

6159

Middle Eastern (MID)

AF:

0.00

AC:

AN:

240

European-Non Finnish (NFE)

AF:

0.0000564

AC:

AN:

53164

Other (OTH)

AF:

0.00

AC:

AN:

1519

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Hom

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:

0.0000435

Hom.:

Bravo

AF:

0.0000604

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.00

AC:

ExAC

AF:

0.0000494

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.085

BayesDel_addAF

Benign

-0.47

BayesDel_noAF

Benign

-0.72

CADD

Benign

7.0

(source)

DANN

Benign

0.81

DEOGEN2

Benign

0.018

FATHMM_MKL

Benign

0.014

LIST_S2

Benign

0.53

M_CAP

Benign

0.0029

MetaRNN

Benign

0.054

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.7

PhyloP100

-0.0050

PrimateAI

Benign

0.45

PROVEAN

Uncertain

-2.7

REVEL

Benign

0.018

Sift

Benign

0.13

Sift4G

Uncertain

0.050

Polyphen

0.0010

Vest4

0.16

MutPred

0.43

Loss of stability (P = 0.0024)

MVP

0.043

MPC

0.16

ClinPred

0.035

GERP RS

-0.44

Varity_R

0.48

gMVP

0.089

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

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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