Genetic Variant NM_000670.5:c.438C>A (chr4-99136610-G-T) – 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_000670.5(ADH4):c.438C>A(p.Phe146Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,830 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 nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ADH4
NM_000670.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.316

Publications

0 publications found

Variant links:

Genes affected

ADH4 (HGNC:252): (alcohol dehydrogenase 4 (class II), pi polypeptide) This gene encodes class II alcohol dehydrogenase 4 pi subunit, which is a member of the alcohol dehydrogenase family. Members of this enzyme family metabolize a wide variety of substrates, including ethanol, retinol, other aliphatic alcohols, hydroxysteroids, and lipid peroxidation products. Class II alcohol dehydrogenase is a homodimer composed of 2 pi subunits. It exhibits a high activity for oxidation of long-chain aliphatic alcohols and aromatic alcohols and is less sensitive to pyrazole. This gene is localized to chromosome 4 in the cluster of alcohol dehydrogenase genes. [provided by RefSeq, Jul 2008]

ADH4 links:

ENSG00000246090 (HGNC:):

ENSG00000246090 links:

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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, 0.811

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ADH4	NM_000670.5 link	c.438C>A	p.Phe146Leu	missense_variant	Exon 5 of 9	ENST00000265512.12	NP_000661.2	P08319-1V9HVX7
ADH4	NM_001306171.2 link	c.495C>A	p.Phe165Leu	missense_variant	Exon 6 of 10		NP_001293100.1	P08319-2V9HVX7
ADH4	NM_001306172.2 link	c.495C>A	p.Phe165Leu	missense_variant	Exon 6 of 10		NP_001293101.1	P08319-2V9HVX7
LOC100507053	NR_037884.1 link	n.679+2805G>T		intron_variant	Intron 2 of 9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ADH4	ENST00000265512.12 link	c.438C>A	p.Phe146Leu	missense_variant	Exon 5 of 9	1	NM_000670.5	ENSP00000265512.7		P08319-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461830

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727214

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:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39684

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111978

Other (OTH)

AF:

0.00

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.91

BayesDel_addAF

Benign

-0.20

BayesDel_noAF

Benign

-0.52

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.077

.;T;T;.;.;T

Eigen

Benign

-0.39

Eigen_PC

Benign

-0.50

FATHMM_MKL

Benign

0.21

LIST_S2

Benign

0.81

.;T;T;T;D;D

M_CAP

Benign

0.010

MetaRNN

Pathogenic

0.81

D;D;D;D;D;D

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.1

.;.;L;.;.;.

PhyloP100

-0.32

PrimateAI

Uncertain

0.51

PROVEAN

Pathogenic

-5.3

D;.;D;D;D;D

REVEL

Benign

0.16

Sift

Uncertain

0.020

D;.;D;D;D;D

Sift4G

Uncertain

0.034

D;D;D;D;.;.

Polyphen

0.60

P;.;B;P;.;.

Vest4

0.58

MutPred

0.82

.;Loss of ubiquitination at K141 (P = 0.1454);Loss of ubiquitination at K141 (P = 0.1454);.;.;.;

MVP

0.28

MPC

0.24

ClinPred

0.96

GERP RS

1.9

Varity_R

0.69

gMVP

0.68

Mutation Taster

=73/27

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over