chr17-61946608-G-C

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_005121.3(MED13):​c.6393-8C>G variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0006 in 1,608,062 control chromosomes in the GnomAD database, including 6 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0032 ( 2 hom., cov: 32)
Exomes 𝑓: 0.00033 ( 4 hom. )

Consequence

MED13
NM_005121.3 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.0004340
2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 1.49
Variant links:
Genes affected
MED13 (HGNC:22474): (mediator complex subunit 13) This gene encodes a component of the mediator complex (also known as TRAP, SMCC, DRIP, or ARC), a transcriptional coactivator complex thought to be required for the expression of almost all genes. The mediator complex is recruited by transcriptional activators or nuclear receptors to induce gene expression, possibly by interacting with RNA polymerase II and promoting the formation of a transcriptional pre-initiation complex. The product of this gene is proposed to form a sub-complex with MED12, cyclin C, and CDK8 that can negatively regulate transactivation by mediator. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.85).
BP6
Variant 17-61946608-G-C is Benign according to our data. Variant chr17-61946608-G-C is described in ClinVar as [Benign]. Clinvar id is 779026.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00321 (488/152208) while in subpopulation AFR AF= 0.0112 (465/41536). AF 95% confidence interval is 0.0104. There are 2 homozygotes in gnomad4. There are 213 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAd4 at 488 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MED13NM_005121.3 linkuse as main transcriptc.6393-8C>G splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000397786.7
MED13XM_011525551.3 linkuse as main transcriptc.6234-8C>G splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant
MED13XM_011525553.4 linkuse as main transcriptc.5724-8C>G splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MED13ENST00000397786.7 linkuse as main transcriptc.6393-8C>G splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 NM_005121.3 P1

Frequencies

GnomAD3 genomes
AF:
0.00322
AC:
490
AN:
152090
Hom.:
2
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0113
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00111
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:
0.00
Gnomad OTH
AF:
0.00287
GnomAD3 exomes
AF:
0.000814
AC:
196
AN:
240860
Hom.:
2
AF XY:
0.000604
AC XY:
79
AN XY:
130862
show subpopulations
Gnomad AFR exome
AF:
0.0111
Gnomad AMR exome
AF:
0.000846
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000328
AC:
477
AN:
1455854
Hom.:
4
Cov.:
31
AF XY:
0.000298
AC XY:
216
AN XY:
724106
show subpopulations
Gnomad4 AFR exome
AF:
0.0114
Gnomad4 AMR exome
AF:
0.000968
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:
0.00000900
Gnomad4 OTH exome
AF:
0.000747
GnomAD4 genome
AF:
0.00321
AC:
488
AN:
152208
Hom.:
2
Cov.:
32
AF XY:
0.00286
AC XY:
213
AN XY:
74406
show subpopulations
Gnomad4 AFR
AF:
0.0112
Gnomad4 AMR
AF:
0.00111
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00284
Alfa
AF:
0.000268
Hom.:
0
Bravo
AF:
0.00391
Asia WGS
AF:
0.000577
AC:
2
AN:
3478

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenJan 01, 2024MED13: BP4, BS1, BS2 -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJun 01, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.85
CADD
Benign
9.7
DANN
Benign
0.53

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00043
dbscSNV1_RF
Benign
0.070
SpliceAI score (max)
0.070
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.

Other links and lift over

dbSNP: rs146397095; hg19: chr17-60023969; API