NM_138413.4:c.106G>T

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 7P and 4B. PM1PM2PM5PP2BP4_Strong

The NM_138413.4(HOGA1):c.106G>T(p.Ala36Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,461,778 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign 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. A36V) has been classified as Likely pathogenic.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

HOGA1
NM_138413.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -1.54

Variant links:

Genes affected

HOGA1 (HGNC:25155): (4-hydroxy-2-oxoglutarate aldolase 1) The authors of PMID:20797690 cloned this gene while searching for genes in a region of chromosome 10 linked to primary hyperoxalurea type III. They noted that even though the encoded protein has been described as a mitochondrial dihydrodipicolinate synthase-like enzyme, it shares little homology with E. coli dihydrodipicolinate synthase (Dhdps), particularly in the putative substrate-binding region. Moreover, neither lysine biosynthesis nor sialic acid metabolism, for which Dhdps is responsible, occurs in vertebrate mitochondria. They propose that this gene encodes mitochondrial 4-hydroxyl-2-oxoglutarate aldolase (EC 4.1.3.16), which catalyzes the final step in the metabolic pathway of hydroxyproline, releasing glyoxylate and pyruvate. This gene is predominantly expressed in the liver and kidney, and mutations in this gene are found in patients with primary hyperoxalurea type III. Alternatively spliced transcript variants encoding different isoforms have been noted for this gene. [provided by RefSeq, Nov 2010]

HOGA1 links:

ENSG00000249967 (HGNC:):

ENSG00000249967 links:

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ACMG classification

Classification was made for transcript

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

PM1

In a hotspot region, there are 2 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 5 uncertain in NM_138413.4

PM2

Very rare variant in population databases, with high coverage;

PM5

Other missense variant is known to change same aminoacid residue: Variant chr10-97584810-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 204265.We mark this variant Likely_pathogenic, oryginal submissions are: {Likely_pathogenic=4, Pathogenic=2, Uncertain_significance=1}.

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 45 curated pathogenic missense variants (we use a threshold of 10). The gene has 5 curated benign missense variants. Gene score misZ: -0.2785 (below the threshold of 3.09). Trascript score misZ: 0.68417 (below the threshold of 3.09). GenCC associations: The gene is linked to primary hyperoxaluria type 3.

BP4

Computational evidence support a benign effect (MetaRNN=0.03818342).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
HOGA1	NM_138413.4 link	c.106G>T	p.Ala36Ser	missense_variant	Exon 1 of 7	ENST00000370646.9	NP_612422.2	Q86XE5-1
HOGA1	NM_001134670.2 link	c.106G>T	p.Ala36Ser	missense_variant	Exon 1 of 3		NP_001128142.1	Q86XE5-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
HOGA1	ENST00000370646.9 link	c.106G>T	p.Ala36Ser	missense_variant	Exon 1 of 7	1	NM_138413.4	ENSP00000359680.4	Q86XE5-1
ENSG00000249967	ENST00000370649.3 link	c.106G>T	p.Ala36Ser	missense_variant	Exon 1 of 10	2		ENSP00000359683.3	E9PAM4
HOGA1	ENST00000370647.8 link	c.106G>T	p.Ala36Ser	missense_variant	Exon 1 of 3	1		ENSP00000359681.4	Q86XE5-3
HOGA1	ENST00000465608.1 link	n.487G>T		non_coding_transcript_exon_variant	Exon 1 of 3	2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000800

AC:

AN:

250062

AF XY:

0.0000148

show subpopulations

Gnomad AFR exome

AF:

0.0000615

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000342

AC:

AN:

1461778

Hom.:

Cov.:

AF XY:

0.00000688

AC XY:

AN XY:

727194

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000464

AC:

AN:

86238

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53410

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111938

Other (OTH)

AF:

0.00

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.485

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.082

BayesDel_addAF

Benign

-0.27

BayesDel_noAF

Benign

-0.45

CADD

Benign

0.010

(source)

DANN

Benign

0.59

DEOGEN2

Benign

0.30

.;T;.

Eigen

Benign

-2.2

Eigen_PC

Benign

-2.2

FATHMM_MKL

Benign

0.056

LIST_S2

Benign

0.57

T;T;T

M_CAP

Uncertain

0.22

MetaRNN

Benign

0.038

T;T;T

MetaSVM

Benign

-0.43

MutationAssessor

Benign

-0.77

N;N;.

PhyloP100

-1.5

PROVEAN

Benign

0.16

N;N;N

REVEL

Benign

0.17

Sift

Benign

0.80

T;T;T

Sift4G

Benign

0.33

T;T;T

Polyphen

0.0

B;B;.

Vest4

0.051

MutPred

0.36

Gain of glycosylation at A36 (P = 0.0103);Gain of glycosylation at A36 (P = 0.0103);Gain of glycosylation at A36 (P = 0.0103);

MVP

0.27

MPC

0.063

ClinPred

0.035

GERP RS

-7.0

PromoterAI

0.015

Neutral

(source)

Varity_R

0.11

gMVP

0.44

Mutation Taster

=92/8

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.040

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_138413.4:c.106G>T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over