Genetic Variant TAF1C:p.Ser812Pro (chr16-84179039-A-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001243156.2(TAF1C):c.2434T>C(p.Ser812Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

TAF1C
NM_001243156.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.09

Variant links:

Genes affected

TAF1C (HGNC:11534): (TATA-box binding protein associated factor, RNA polymerase I subunit C) Initiation of transcription by RNA polymerase I requires the formation of a complex composed of the TATA-binding protein (TBP) and three TBP-associated factors (TAFs) specific for RNA polymerase I. This complex, known as SL1, binds to the core promoter of ribosomal RNA genes to position the polymerase properly and acts as a channel for regulatory signals. This gene encodes the largest SL1-specific TAF. Multiple alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2011]

TAF1C links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.22507533).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TAF1C	NM_001243156.2 link	c.2434T>C	p.Ser812Pro	missense_variant	Exon 15 of 15	ENST00000566732.6	NP_001230085.2	Q15572-6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TAF1C	ENST00000566732.6 link	c.2434T>C	p.Ser812Pro	missense_variant	Exon 15 of 15	2	NM_001243156.2	ENSP00000455933.1		Q15572-6

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1458484

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

725652

African (AFR)

AF:

0.00

AC:

AN:

33474

American (AMR)

AF:

0.00

AC:

AN:

44676

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26100

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86208

European-Finnish (FIN)

AF:

0.00

AC:

AN:

50360

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111868

Other (OTH)

AF:

0.00

AC:

AN:

60336

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Apr 25, 2022

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.2512T>C (p.S838P) alteration is located in exon 14 (coding exon 13) of the TAF1C gene. This alteration results from a T to C substitution at nucleotide position 2512, causing the serine (S) at amino acid position 838 to be replaced by a proline (P). 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

0.093

BayesDel_addAF

Benign

0.0056

BayesDel_noAF

Benign

-0.23

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.0074

.;.;T;.;.

Eigen

Uncertain

0.46

Eigen_PC

Uncertain

0.39

FATHMM_MKL

Benign

0.44

LIST_S2

Benign

0.46

T;T;T;T;.

M_CAP

Benign

0.013

MetaRNN

Benign

0.23

T;T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.0

.;.;M;.;.

PhyloP100

1.1

PrimateAI

Benign

0.30

PROVEAN

Benign

-2.1

.;N;N;N;N

REVEL

Benign

0.12

Sift

Pathogenic

0.0

.;D;D;D;D

Sift4G

Pathogenic

0.0

D;D;D;D;D

Polyphen

1.0, 1.0

.;D;D;D;.

Vest4

0.29

MutPred

0.26

.;.;Loss of glycosylation at S838 (P = 0.0221);.;.;

MVP

0.29

ClinPred

0.93

GERP RS

5.2

Varity_R

0.30

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over