chr22-31765014-G-C

Position:

chr22-31765014-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 3P and 3B. PM2PP2BP4_ModerateBP6

The NM_001242896.3(DEPDC5):c.233G>C(p.Arg78Pro) variant causes a missense change. The variant allele was found at a frequency of 0.000131 in 1,613,972 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00014 ( 0 hom. )

Consequence

DEPDC5
NM_001242896.3 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:1

Conservation

PhyloP100: 7.17

Variant links:

Genes affected

DEPDC5 (HGNC:18423): (DEP domain containing 5, GATOR1 subcomplex subunit) This gene encodes a member of the IML1 family of proteins involved in G-protein signaling pathways. The mechanistic target of rapamycin complex 1 (mTORC1) pathway regulates cell growth by sensing the availability of nutrients. The protein encoded by this gene is a component of the GATOR1 (GAP activity toward Rags) complex which inhibits the amino acid-sensing branch of the mTORC1 pathway. Mutations in this gene are associated with autosomal dominant familial focal epilepsy with variable foci. A single nucleotide polymorphism in an intron of this gene has been associated with an increased risk of hepatocellular carcinoma in individuals with chronic hepatitis C virus infection. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Mar 2014]

DEPDC5 links:

ENSG00000285404 (HGNC:):

ENSG00000285404 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant in gene, where missense usually causes diseases (based on misZ statistic), DEPDC5. . Gene score misZ 2.6501 (greater than the threshold 3.09). Trascript score misZ 3.7275 (greater than threshold 3.09). GenCC has associacion of gene with focal epilepsy, Brugada syndrome, epilepsy, familial focal, with variable foci 1, familial focal epilepsy with variable foci, autosomal dominant epilepsy with auditory features, autosomal dominant nocturnal frontal lobe epilepsy.

BP4

Computational evidence support a benign effect (MetaRNN=0.26043153).

BP6

Variant 22-31765014-G-C is Benign according to our data. Variant chr22-31765014-G-C is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 534797.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=2}.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
DEPDC5	NM_001242896.3 linkuse as main transcript	c.233G>C	p.Arg78Pro	missense_variant	5/43	ENST00000651528.2	NP_001229825.1	O75140-10

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
DEPDC5	ENST00000651528.2 linkuse as main transcript	c.233G>C	p.Arg78Pro	missense_variant	5/43		NM_001242896.3	ENSP00000498382.1		O75140-10
ENSG00000285404	ENST00000646701.1 linkuse as main transcript	c.233G>C	p.Arg78Pro	missense_variant	4/21			ENSP00000496158.1		A0A2R8YF50

Frequencies

GnomAD3 genomes

AF:

0.0000723

AC:

AN:

152162

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:

0.000162

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000761

AC:

AN:

249530

Hom.:

AF XY:

0.0000886

AC XY:

AN XY:

135380

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000290

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000980

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000132

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000138

AC:

201

AN:

1461810

Hom.:

Cov.:

AF XY:

0.000128

AC XY:

AN XY:

727212

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000224

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000464

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000169

Gnomad4 OTH exome

AF:

0.000132

GnomAD4 genome

AF:

0.0000723

AC:

AN:

152162

Hom.:

Cov.:

AF XY:

0.0000673

AC XY:

AN XY:

74338

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:

0.000162

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000718

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.00

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000242

AC:

ExAC

AF:

0.0000910

AC:

EpiCase

AF:

0.000218

EpiControl

AF:

0.000178

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Familial focal epilepsy with variable foci

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jan 03, 2024

This sequence change replaces arginine, which is basic and polar, with proline, which is neutral and non-polar, at codon 78 of the DEPDC5 protein (p.Arg78Pro). This variant is present in population databases (rs373578854, gnomAD 0.01%). This variant has not been reported in the literature in individuals affected with DEPDC5-related conditions. ClinVar contains an entry for this variant (Variation ID: 534797). Experimental studies and prediction algorithms are not available or were not evaluated, and the functional significance of this variant is currently unknown. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

not provided

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

GeneDx

Jan 29, 2024

Reported as a germline variant in a resected brain sample from at least one patient with focal cortical dysplasia and epilepsy in published literature (PMID: 36226386); Reported in a patient with language impairment who also harbored variants in several other genes (PMID: 28440294); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 36226386, 28440294) -

Inborn genetic diseases

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Ambry Genetics

Feb 21, 2019

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.96

BayesDel_addAF

Benign

-0.17

BayesDel_noAF

Benign

-0.24

CADD

Uncertain

DANN

Uncertain

0.99

DEOGEN2

Benign

0.21

.;.;.;.;.;.;.;.;.;T;.;.;.;.;.;.;.;T;.;.;.;.;.;.;.

Eigen

Benign

0.070

Eigen_PC

Benign

0.18

FATHMM_MKL

Uncertain

0.89

LIST_S2

Uncertain

0.96

D;D;D;D;D;D;D;D;D;D;D;.;.;D;D;.;.;.;D;D;.;D;D;D;D

M_CAP

Benign

0.019

MetaRNN

Benign

0.26

T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.0

N;.;.;N;N;.;.;.;N;N;.;N;.;N;.;N;.;N;.;.;N;N;.;.;.

PrimateAI

Uncertain

0.68

PROVEAN

Uncertain

-2.8

D;.;.;.;.;.;.;.;.;D;.;D;.;.;.;D;.;D;.;.;D;D;.;.;.

REVEL

Benign

0.21

Sift

Benign

0.033

D;.;.;.;.;.;.;.;.;D;.;D;.;.;.;T;.;D;.;.;D;D;.;.;.

Sift4G

Benign

0.074

T;.;.;.;.;.;.;.;.;D;.;D;.;.;.;T;.;D;.;.;D;D;.;.;.

Polyphen

0.29, 0.81

.;.;.;.;.;.;.;.;B;P;.;.;.;.;.;B;.;P;.;.;.;.;.;.;.

Vest4

0.70

MVP

0.21

MPC

0.93

ClinPred

0.33

GERP RS

4.1

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.44

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