Genetic Variant NM_153809.2:c.5455G>A (chr9-32630125-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_153809.2(TAF1L):c.5455G>A(p.Glu1819Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000657 in 1,461,868 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000066 ( 0 hom. )

Consequence

TAF1L
NM_153809.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.721

Publications

0 publications found

Variant links:

Genes affected

TAF1L (HGNC:18056): (TATA-box binding protein associated factor 1 like) This locus is intronless, and apparently arose in the primate lineage from retrotransposition of the transcript from the multi-exon TAF1 locus on the X chromosome. The gene is expressed in male germ cells, and the product has been shown to function interchangeably with the TAF1 product. [provided by RefSeq, Aug 2015]

TAF1L links:

ENSG00000295509 (HGNC:):

ENSG00000295509 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.065106004).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TAF1L	NM_153809.2 link	c.5455G>A	p.Glu1819Lys	missense_variant	Exon 1 of 1	ENST00000242310.4	NP_722516.1	Q8IZX4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
TAF1L	ENST00000242310.4 link	c.5455G>A	p.Glu1819Lys	missense_variant	Exon 1 of 1	6	NM_153809.2	ENSP00000418379.1	Q8IZX4
ENSG00000295509	ENST00000730514.1 link	n.252-21120G>A		intron_variant	Intron 2 of 3
ENSG00000295509	ENST00000730515.1 link	n.319-21120G>A		intron_variant	Intron 3 of 4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000796

AC:

AN:

251336

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:

0.0000176

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000657

AC:

AN:

1461868

Hom.:

Cov.:

AF XY:

0.0000688

AC XY:

AN XY:

727230

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.000173

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000791

AC:

AN:

1112002

Other (OTH)

AF:

0.000116

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.468

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000564

Hom.:

Bravo

AF:

0.0000227

EpiCase

AF:

0.0000545

EpiControl

AF:

0.0000593

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Feb 23, 2023

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.5455G>A (p.E1819K) alteration is located in exon 1 (coding exon 1) of the TAF1L gene. This alteration results from a G to A substitution at nucleotide position 5455, causing the glutamic acid (E) at amino acid position 1819 to be replaced by a lysine (K). 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

0.078

BayesDel_addAF

Benign

-0.27

BayesDel_noAF

Benign

-0.61

CADD

Benign

(source)

DANN

Benign

0.84

DEOGEN2

Benign

0.0074

Eigen

Benign

-0.90

Eigen_PC

Benign

-0.84

FATHMM_MKL

Benign

0.52

LIST_S2

Benign

0.47

M_CAP

Benign

0.00085

MetaRNN

Benign

0.065

MetaSVM

Benign

-0.95

MutationAssessor

Benign

0.0

PhyloP100

0.72

PrimateAI

Benign

0.44

PROVEAN

Benign

0.17

REVEL

Benign

0.16

Sift

Pathogenic

0.0

Sift4G

Benign

0.075

Polyphen

0.0

Vest4

0.11

MutPred

0.22

Gain of MoRF binding (P = 0.0045);

MVP

0.20

MPC

0.15

ClinPred

0.14

GERP RS

0.48

Varity_R

0.23

gMVP

0.33

Mutation Taster

=93/7

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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NM_153809.2:c.5455G>A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over