rs12433038

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_024884.3(L2HGDH):​c.703+12T>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.551 in 1,609,744 control chromosomes in the GnomAD database, including 246,774 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.51 ( 20202 hom., cov: 31)
Exomes 𝑓: 0.56 ( 226572 hom. )

Consequence

L2HGDH
NM_024884.3 intron

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: 0.0670
Variant links:
Genes affected
L2HGDH (HGNC:20499): (L-2-hydroxyglutarate dehydrogenase) This gene encodes L-2-hydroxyglutarate dehydrogenase, a FAD-dependent enzyme that oxidizes L-2-hydroxyglutarate to alpha-ketoglutarate in a variety of mammalian tissues. Mutations in this gene cause L-2-hydroxyglutaric aciduria, a rare autosomal recessive neurometabolic disorder resulting in moderate to severe cognitive disability. [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=-0.88).
BP6
Variant 14-50283859-A-G is Benign according to our data. Variant chr14-50283859-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 158801.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr14-50283859-A-G is described in Lovd as [Benign].
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.633 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
L2HGDHNM_024884.3 linkuse as main transcriptc.703+12T>C intron_variant ENST00000267436.9 NP_079160.1 Q9H9P8-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
L2HGDHENST00000267436.9 linkuse as main transcriptc.703+12T>C intron_variant 1 NM_024884.3 ENSP00000267436.4 Q9H9P8-1

Frequencies

GnomAD3 genomes
AF:
0.509
AC:
77264
AN:
151846
Hom.:
20171
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.397
Gnomad AMI
AF:
0.509
Gnomad AMR
AF:
0.447
Gnomad ASJ
AF:
0.507
Gnomad EAS
AF:
0.651
Gnomad SAS
AF:
0.531
Gnomad FIN
AF:
0.584
Gnomad MID
AF:
0.510
Gnomad NFE
AF:
0.567
Gnomad OTH
AF:
0.511
GnomAD3 exomes
AF:
0.538
AC:
135080
AN:
251222
Hom.:
36973
AF XY:
0.543
AC XY:
73799
AN XY:
135810
show subpopulations
Gnomad AFR exome
AF:
0.394
Gnomad AMR exome
AF:
0.441
Gnomad ASJ exome
AF:
0.496
Gnomad EAS exome
AF:
0.653
Gnomad SAS exome
AF:
0.540
Gnomad FIN exome
AF:
0.582
Gnomad NFE exome
AF:
0.564
Gnomad OTH exome
AF:
0.531
GnomAD4 exome
AF:
0.555
AC:
809721
AN:
1457778
Hom.:
226572
Cov.:
32
AF XY:
0.555
AC XY:
402762
AN XY:
725462
show subpopulations
Gnomad4 AFR exome
AF:
0.390
Gnomad4 AMR exome
AF:
0.444
Gnomad4 ASJ exome
AF:
0.495
Gnomad4 EAS exome
AF:
0.636
Gnomad4 SAS exome
AF:
0.542
Gnomad4 FIN exome
AF:
0.583
Gnomad4 NFE exome
AF:
0.564
Gnomad4 OTH exome
AF:
0.546
GnomAD4 genome
AF:
0.509
AC:
77351
AN:
151966
Hom.:
20202
Cov.:
31
AF XY:
0.508
AC XY:
37763
AN XY:
74276
show subpopulations
Gnomad4 AFR
AF:
0.397
Gnomad4 AMR
AF:
0.448
Gnomad4 ASJ
AF:
0.507
Gnomad4 EAS
AF:
0.652
Gnomad4 SAS
AF:
0.532
Gnomad4 FIN
AF:
0.584
Gnomad4 NFE
AF:
0.567
Gnomad4 OTH
AF:
0.511
Alfa
AF:
0.537
Hom.:
6273
Bravo
AF:
0.493
Asia WGS
AF:
0.524
AC:
1820
AN:
3478

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

L-2-hydroxyglutaric aciduria Benign:2
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 31, 2024- -
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabAug 19, 2021- -
not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingGenetic Services Laboratory, University of ChicagoOct 31, 2013- -
not provided Benign:1
Likely benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.88
CADD
Benign
2.3
DANN
Benign
0.42

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: rs12433038; hg19: chr14-50750577; API