Genetic Variant NM_014641.3:c.5795G>C (chr6-30703174-C-G) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_014641.3(MDC1):c.5795G>C(p.Arg1932Pro) variant causes a missense change. The variant allele was found at a frequency of 0.00000137 in 1,460,788 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic 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. R1932H) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

MDC1
NM_014641.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.10

Publications

0 publications found

Variant links:

Genes affected

MDC1 (HGNC:21163): (mediator of DNA damage checkpoint 1) The protein encoded by this gene contains an N-terminal forkhead domain, two BRCA1 C-terminal (BRCT) motifs and a central domain with 13 repetitions of an approximately 41-amino acid sequence. The encoded protein is required to activate the intra-S phase and G2/M phase cell cycle checkpoints in response to DNA damage. This nuclear protein interacts with phosphorylated histone H2AX near sites of DNA double-strand breaks through its BRCT motifs, and facilitates recruitment of the ATM kinase and meiotic recombination 11 protein complex to DNA damage foci. [provided by RefSeq, Jul 2008]

MDC1 links:

MDC1-AS1 (HGNC:39764): (MDC1 antisense RNA 1)

MDC1-AS1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.753

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MDC1	NM_014641.3 link	c.5795G>C	p.Arg1932Pro	missense_variant	Exon 12 of 15	ENST00000376406.8	NP_055456.2	Q14676-1A0A1U9XBC1A1Z5I9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
MDC1	ENST00000376406.8 link	c.5795G>C	p.Arg1932Pro	missense_variant	Exon 12 of 15	5	NM_014641.3	ENSP00000365588.3	Q14676-1
MDC1-AS1	ENST00000442150.1 link	n.108C>G		non_coding_transcript_exon_variant	Exon 1 of 3	3
MDC1	ENST00000489540.1 link	n.777G>C		non_coding_transcript_exon_variant	Exon 2 of 5	2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000406

AC:

AN:

246404

AF XY:

0.00000744

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:

0.00000905

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1460788

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

726710

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52330

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000180

AC:

AN:

1112006

Other (OTH)

AF:

0.00

AC:

AN:

60386

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000845

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.97

BayesDel_addAF

Pathogenic

0.26

BayesDel_noAF

Pathogenic

0.14

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.36

Eigen

Pathogenic

0.71

Eigen_PC

Pathogenic

0.68

FATHMM_MKL

Uncertain

0.93

M_CAP

Benign

0.075

MetaRNN

Pathogenic

0.75

MetaSVM

Uncertain

0.58

MutationAssessor

Uncertain

2.4

PhyloP100

5.1

PrimateAI

Benign

0.42

PROVEAN

Pathogenic

-6.4

REVEL

Pathogenic

0.65

Sift

Uncertain

0.0040

Sift4G

Uncertain

0.0050

Polyphen

1.0

Vest4

0.67

MutPred

0.56

Loss of MoRF binding (P = 6e-04);

MVP

0.96

MPC

0.73

ClinPred

0.97

GERP RS

5.3

Varity_R

0.87

gMVP

0.87

Mutation Taster

=41/59

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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_014641.3:c.5795G>C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over