17-39408757-G-A

Position:

chr17-39408757-G-A

Variant summary

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

The NM_004774.4(MED1):c.3464C>T(p.Ser1155Phe) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000198 in 1,614,052 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000021 ( 0 hom. )

Consequence

MED1
NM_004774.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.85

Variant links:

Genes affected

MED1 (HGNC:9234): (mediator complex subunit 1) 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. It also regulates p53-dependent apoptosis and it is essential for adipogenesis. This protein is known to have the ability to self-oligomerize. [provided by RefSeq, Jul 2008]

MED1 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=0.29014784).

BS2

High AC in GnomAdExome4 at 30 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
MED1	NM_004774.4 linkuse as main transcript	c.3464C>T	p.Ser1155Phe	missense_variant	17/17	ENST00000300651.11	NP_004765.2	Q15648-1
MED1	XM_047436314.1 linkuse as main transcript	c.2948C>T	p.Ser983Phe	missense_variant	13/13		XP_047292270.1
MED1	XM_047436315.1 linkuse as main transcript	c.2807C>T	p.Ser936Phe	missense_variant	9/9		XP_047292271.1
MED1	XM_006721957.3 linkuse as main transcript	c.1640+1824C>T		intron_variant			XP_006722020.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	UniProt
MED1	ENST00000300651.11 linkuse as main transcript	c.3464C>T	p.Ser1155Phe	missense_variant	17/17	1	NM_004774.4	ENSP00000300651.6	Q15648-1
MED1	ENST00000394287.7 linkuse as main transcript	c.1640+1824C>T		intron_variant		1		ENSP00000377828.3	Q15648-3
MED1	ENST00000577831.5 linkuse as main transcript	n.*3037C>T		non_coding_transcript_exon_variant	16/16	2		ENSP00000463307.1	J3QKZ7
MED1	ENST00000577831.5 linkuse as main transcript	n.*3037C>T		3_prime_UTR_variant	16/16	2		ENSP00000463307.1	J3QKZ7

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152210

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:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000205

AC:

AN:

1461842

Hom.:

Cov.:

AF XY:

0.0000165

AC XY:

AN XY:

727218

show subpopulations

Gnomad4 AFR exome

AF:

0.00

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:

0.0000270

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152210

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74368

show subpopulations

Gnomad4 AFR

AF:

0.00

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:

0.0000294

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000151

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Nov 21, 2024

The c.3464C>T (p.S1155F) alteration is located in exon 17 (coding exon 17) of the MED1 gene. This alteration results from a C to T substitution at nucleotide position 3464, causing the serine (S) at amino acid position 1155 to be replaced by a phenylalanine (F). 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

Uncertain

0.50

BayesDel_addAF

Uncertain

0.049

BayesDel_noAF

Benign

-0.17

CADD

Uncertain

DANN

Uncertain

0.99

DEOGEN2

Benign

0.27

Eigen

Uncertain

0.34

Eigen_PC

Uncertain

0.49

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.90

M_CAP

Benign

0.015

MetaRNN

Benign

0.29

MetaSVM

Benign

-0.94

MutationAssessor

Benign

0.81

PrimateAI

Uncertain

0.62

PROVEAN

Benign

-1.7

REVEL

Benign

0.29

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0010

Polyphen

0.47

Vest4

0.48

MutPred

0.43

Loss of phosphorylation at S1155 (P = 0.0031);

MVP

0.47

MPC

0.39

ClinPred

0.69

GERP RS

5.3

Varity_R

0.34

gMVP

0.48

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