Genetic Variant IHO1:p.His342Tyr (chr3-49256521-C-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_001135197.2(IHO1):c.1024C>T(p.His342Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000139 in 1,613,992 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 31)

Exomes 𝑓: 0.00014 ( 0 hom. )

Consequence

IHO1
NM_001135197.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.550

Publications

2 publications found

Variant links:

Genes affected

IHO1 (HGNC:27945): (interactor of HORMAD1 1) Predicted to be involved in gamete generation; meiosis I cell cycle process; and regulation of homologous chromosome segregation. Predicted to be active in condensed nuclear chromosome. [provided by Alliance of Genome Resources, Apr 2022]

IHO1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.049786657).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001135197.2. 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
	IHO1	NM_001135197.2	MANE Select	c.1024C>T	p.His342Tyr	missense	Exon 8 of 8	NP_001128669.1	Q8IYA8-1
	IHO1	NM_178173.4		c.1024C>T	p.His342Tyr	missense	Exon 10 of 10	NP_835467.2	Q8IYA8-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
IHO1	ENST00000452691.7	TSL:2 MANE Select	c.1024C>T	p.His342Tyr	missense	Exon 8 of 8	ENSP00000407837.2	Q8IYA8-1
IHO1	ENST00000296449.9	TSL:1	c.1024C>T	p.His342Tyr	missense	Exon 10 of 10	ENSP00000296449.5	Q8IYA8-1
IHO1	ENST00000438782.5	TSL:5	c.1024C>T	p.His342Tyr	missense	Exon 8 of 8	ENSP00000391788.1	Q8IYA8-1

Frequencies

GnomAD3 genomes

AF:

0.000125

AC:

AN:

152100

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.000377

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000220

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000239

AC:

AN:

251432

AF XY:

0.000228

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.000601

Gnomad NFE exome

AF:

0.000404

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.000140

AC:

205

AN:

1461892

Hom.:

Cov.:

AF XY:

0.000122

AC XY:

AN XY:

727246

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:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.000693

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.000142

AC:

158

AN:

1112012

Other (OTH)

AF:

0.000166

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.489

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.000125

AC:

AN:

152100

Hom.:

Cov.:

AF XY:

0.000135

AC XY:

AN XY:

74290

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41398

American (AMR)

AF:

0.00

AC:

AN:

15262

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4820

European-Finnish (FIN)

AF:

0.000377

AC:

AN:

10606

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000220

AC:

AN:

68032

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.514

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000283

Hom.:

Bravo

AF:

0.0000529

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000233

AC:

ExAC

AF:

0.000288

AC:

EpiCase

AF:

0.000273

EpiControl

AF:

0.000237

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.092

BayesDel_addAF

Benign

-0.55

BayesDel_noAF

Benign

-0.69

CADD

Benign

0.73

(source)

DANN

Benign

0.83

DEOGEN2

Benign

0.047

Eigen

Benign

-1.0

Eigen_PC

Benign

-1.1

FATHMM_MKL

Benign

0.010

LIST_S2

Benign

0.39

M_CAP

Benign

0.0059

MetaRNN

Benign

0.050

MetaSVM

Benign

-1.1

PhyloP100

-0.55

PrimateAI

Benign

0.26

PROVEAN

Uncertain

-2.6

REVEL

Benign

0.064

Sift

Benign

0.20

Sift4G

Benign

0.16

Polyphen

0.67

Vest4

0.14

MVP

0.17

MPC

0.54

ClinPred

0.087

GERP RS

-4.8

Varity_R

0.060

gMVP

0.030

Mutation Taster

=99/1

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over