chr15-78149427-T-C

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_005530.3(IDH3A):ā€‹c.24T>Cā€‹(p.Ser8=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.503 in 1,547,230 control chromosomes in the GnomAD database, including 198,719 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (ā˜…ā˜…).

Frequency

Genomes: š‘“ 0.55 ( 23555 hom., cov: 33)
Exomes š‘“: 0.50 ( 175164 hom. )

Consequence

IDH3A
NM_005530.3 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 0.108
Variant links:
Genes affected
IDH3A (HGNC:5384): (isocitrate dehydrogenase (NAD(+)) 3 catalytic subunit alpha) Isocitrate dehydrogenases catalyze the oxidative decarboxylation of isocitrate to 2-oxoglutarate. These enzymes belong to two distinct subclasses, one of which utilizes NAD(+) as the electron acceptor and the other NADP(+). Five isocitrate dehydrogenases have been reported: three NAD(+)-dependent isocitrate dehydrogenases, which localize to the mitochondrial matrix, and two NADP(+)-dependent isocitrate dehydrogenases, one of which is mitochondrial and the other predominantly cytosolic. NAD(+)-dependent isocitrate dehydrogenases catalyze the allosterically regulated rate-limiting step of the tricarboxylic acid cycle. Each isozyme is a heterotetramer that is composed of two alpha subunits, one beta subunit, and one gamma subunit. The protein encoded by this gene is the alpha subunit of one isozyme of NAD(+)-dependent isocitrate dehydrogenase. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.56).
BP6
Variant 15-78149427-T-C is Benign according to our data. Variant chr15-78149427-T-C is described in ClinVar as [Benign]. Clinvar id is 1169182.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=0.108 with no splicing effect.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.675 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
IDH3ANM_005530.3 linkuse as main transcriptc.24T>C p.Ser8= synonymous_variant 1/11 ENST00000299518.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
IDH3AENST00000299518.7 linkuse as main transcriptc.24T>C p.Ser8= synonymous_variant 1/111 NM_005530.3 P1P50213-1

Frequencies

GnomAD3 genomes
AF:
0.547
AC:
83048
AN:
151924
Hom.:
23546
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.682
Gnomad AMI
AF:
0.565
Gnomad AMR
AF:
0.450
Gnomad ASJ
AF:
0.538
Gnomad EAS
AF:
0.324
Gnomad SAS
AF:
0.588
Gnomad FIN
AF:
0.526
Gnomad MID
AF:
0.631
Gnomad NFE
AF:
0.503
Gnomad OTH
AF:
0.519
GnomAD3 exomes
AF:
0.484
AC:
77655
AN:
160334
Hom.:
19291
AF XY:
0.497
AC XY:
44457
AN XY:
89534
show subpopulations
Gnomad AFR exome
AF:
0.661
Gnomad AMR exome
AF:
0.390
Gnomad ASJ exome
AF:
0.537
Gnomad EAS exome
AF:
0.308
Gnomad SAS exome
AF:
0.585
Gnomad FIN exome
AF:
0.506
Gnomad NFE exome
AF:
0.492
Gnomad OTH exome
AF:
0.483
GnomAD4 exome
AF:
0.498
AC:
695329
AN:
1395198
Hom.:
175164
Cov.:
40
AF XY:
0.501
AC XY:
346717
AN XY:
691764
show subpopulations
Gnomad4 AFR exome
AF:
0.688
Gnomad4 AMR exome
AF:
0.404
Gnomad4 ASJ exome
AF:
0.538
Gnomad4 EAS exome
AF:
0.315
Gnomad4 SAS exome
AF:
0.590
Gnomad4 FIN exome
AF:
0.518
Gnomad4 NFE exome
AF:
0.494
Gnomad4 OTH exome
AF:
0.503
GnomAD4 genome
AF:
0.547
AC:
83092
AN:
152032
Hom.:
23555
Cov.:
33
AF XY:
0.544
AC XY:
40443
AN XY:
74344
show subpopulations
Gnomad4 AFR
AF:
0.682
Gnomad4 AMR
AF:
0.449
Gnomad4 ASJ
AF:
0.538
Gnomad4 EAS
AF:
0.324
Gnomad4 SAS
AF:
0.588
Gnomad4 FIN
AF:
0.526
Gnomad4 NFE
AF:
0.503
Gnomad4 OTH
AF:
0.517
Alfa
AF:
0.502
Hom.:
7078
Bravo
AF:
0.544
Asia WGS
AF:
0.479
AC:
1666
AN:
3474

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:3
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpFeb 01, 2024- -
Benign, criteria provided, single submitterclinical testingGeneDxMay 04, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.56
CADD
Benign
15
DANN
Benign
0.83
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

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.

Other links and lift over

dbSNP: rs11555541; hg19: chr15-78441769; COSMIC: COSV55111912; API