Genetic Variant MIOX:p.Val91Leu (chr22-50487979-G-T) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_017584.6(MIOX):c.271G>T(p.Val91Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000131 in 152,358 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts 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. V91I) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

MIOX
NM_017584.6 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.92

Publications

2 publications found

Variant links:

Genes affected

MIOX (HGNC:14522): (myo-inositol oxygenase) Enables ferric iron binding activity and inositol oxygenase activity. Involved in inositol catabolic process. Predicted to be located in cytoplasm and inclusion body. [provided by Alliance of Genome Resources, Apr 2022]

MIOX links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.3290519).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_017584.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MIOX	NM_017584.6	MANE Select	c.271G>T	p.Val91Leu	missense	Exon 4 of 10	NP_060054.4

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
MIOX	ENST00000216075.11	TSL:1 MANE Select	c.271G>T	p.Val91Leu	missense	Exon 4 of 10	ENSP00000216075.6	Q9UGB7-1
MIOX	ENST00000395732.7	TSL:1	c.271G>T	p.Val91Leu	missense	Exon 4 of 10	ENSP00000379081.3	A6PVH2
MIOX	ENST00000395733.7	TSL:1	c.271G>T	p.Val91Leu	missense	Exon 4 of 8	ENSP00000379082.3	Q9UGB7-2

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152240

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000482

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251012

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.0000616

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

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1461686

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727140

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44710

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53330

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111926

Other (OTH)

AF:

0.00

AC:

AN:

60384

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152358

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74506

show subpopulations

African (AFR)

AF:

0.0000481

AC:

AN:

41592

American (AMR)

AF:

0.00

AC:

AN:

15306

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68022

Other (OTH)

AF:

0.00

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.74

BayesDel_addAF

Uncertain

0.041

BayesDel_noAF

Uncertain

0.0

CADD

Benign

(source)

DANN

Benign

0.90

DEOGEN2

Benign

0.079

Eigen

Benign

0.038

Eigen_PC

Benign

0.11

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.96

M_CAP

Benign

0.0071

MetaRNN

Benign

0.33

MetaSVM

Benign

-0.93

MutationAssessor

Benign

1.1

PhyloP100

7.9

PrimateAI

Uncertain

0.66

PROVEAN

Benign

-1.8

REVEL

Uncertain

0.45

Sift

Benign

0.27

Sift4G

Benign

0.12

Polyphen

0.99

Vest4

0.57

MutPred

0.48

Gain of disorder (P = 0.2149)

MVP

0.19

MPC

0.31

ClinPred

0.44

GERP RS

4.4

Varity_R

0.19

gMVP

0.65

Mutation Taster

=38/62

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.090

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over