Genetic Variant MED17:p.Thr513Lys (chr11-93807589-C-A) – 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_004268.5(MED17):c.1538C>A(p.Thr513Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,060 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. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. T513I) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

MED17
NM_004268.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.22

Publications

0 publications found

Variant links:

Genes affected

MED17 (HGNC:2375): (mediator complex subunit 17) The activation of gene transcription is a multistep process that is triggered by factors that recognize transcriptional enhancer sites in DNA. These factors work with co-activators to direct transcriptional initiation by the RNA polymerase II apparatus. The protein encoded by this gene is a subunit of the CRSP (cofactor required for SP1 activation) complex, which, along with TFIID, is required for efficient activation by SP1. This protein is also a component of other multisubunit complexes e.g. thyroid hormone receptor-(TR-) associated proteins which interact with TR and facilitate TR function on DNA templates in conjunction with initiation factors and cofactors. [provided by RefSeq, Jul 2008]

MED17 Gene-Disease associations (from GenCC):

infantile cerebral and cerebellar atrophy with postnatal progressive microcephaly
Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: G2P, Labcorp Genetics (formerly Invitae), Orphanet

MED17 links:

ENSG00000284057 (HGNC:):

ENSG00000284057 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=0.17662364).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MED17	NM_004268.5 link	c.1538C>A	p.Thr513Lys	missense_variant	Exon 10 of 12	ENST00000251871.9	NP_004259.3	Q9NVC6-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MED17	ENST00000251871.9 link	c.1538C>A	p.Thr513Lys	missense_variant	Exon 10 of 12	1	NM_004268.5	ENSP00000251871.3		Q9NVC6-1
ENSG00000284057	ENST00000638767.1 link	c.2099C>A	p.Thr700Lys	missense_variant	Exon 17 of 19	5		ENSP00000492220.1		A0A1W2PRB8

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461060

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726912

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33446

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26122

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39648

South Asian (SAS)

AF:

0.00

AC:

AN:

86246

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111348

Other (OTH)

AF:

0.00

AC:

AN:

60352

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

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.25

BayesDel_addAF

Benign

0.00062

BayesDel_noAF

Benign

-0.24

CADD

Benign

(source)

DANN

Benign

0.57

DEOGEN2

Benign

0.065

.;T;.;.;.

Eigen

Benign

-0.40

Eigen_PC

Benign

-0.34

FATHMM_MKL

Uncertain

0.97

LIST_S2

Uncertain

0.91

D;D;D;D;D

M_CAP

Benign

0.015

MetaRNN

Benign

0.18

T;T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.0

.;L;.;.;.

PhyloP100

3.2

PrimateAI

Uncertain

0.72

PROVEAN

Benign

-0.080

.;N;.;.;.

REVEL

Benign

0.15

Sift

Benign

0.69

.;T;.;.;.

Sift4G

Benign

1.0

.;T;.;.;.

Polyphen

0.32

.;B;.;.;.

Vest4

0.63

MutPred

0.40

.;Gain of MoRF binding (P = 0.0241);Gain of MoRF binding (P = 0.0241);.;.;

MVP

0.48

MPC

0.35

ClinPred

0.22

GERP RS

2.8

Varity_R

0.050

gMVP

0.66

Mutation Taster

=82/18

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over