rs151176313

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_023036.6(DNAI2):c.124G>A(p.Val42Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000948 in 1,614,168 control chromosomes in the GnomAD database, including 10 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Synonymous variant affecting the same amino acid position (i.e. V42V) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0036 ( 3 hom., cov: 32)

Exomes 𝑓: 0.00067 ( 7 hom. )

Consequence

DNAI2
NM_023036.6 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:6

Conservation

PhyloP100: 0.553

Publications

4 publications found

Variant links:

Genes affected

DNAI2 (HGNC:18744): (dynein axonemal intermediate chain 2) The protein encoded by this gene belongs to the dynein intermediate chain family, and is part of the dynein complex of respiratory cilia and sperm flagella. Mutations in this gene are associated with primary ciliary dyskinesia type 9. Alternatively spliced transcript variants encoding different isoforms have been noted for this gene. [provided by RefSeq, Mar 2010]

DNAI2 Gene-Disease associations (from GenCC):

primary ciliary dyskinesia 9
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae), ClinGen
primary ciliary dyskinesia
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

DNAI2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0056005716).

BP6

Variant 17-74281941-G-A is Benign according to our data. Variant chr17-74281941-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 241446.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00364 (554/152314) while in subpopulation AFR AF = 0.0113 (471/41572). AF 95% confidence interval is 0.0105. There are 3 homozygotes in GnomAd4. There are 264 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High Homozygotes in GnomAd4 at 3 AR,AD gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DNAI2	NM_023036.6 link	c.124G>A	p.Val42Met	missense_variant	Exon 2 of 14	ENST00000311014.11	NP_075462.3	Q9GZS0-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DNAI2	ENST00000311014.11 link	c.124G>A	p.Val42Met	missense_variant	Exon 2 of 14	1	NM_023036.6	ENSP00000308312.6		Q9GZS0-1

Frequencies

GnomAD3 genomes

AF:

0.00364

AC:

554

AN:

152194

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0114

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00157

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00829

Gnomad SAS

AF:

0.00186

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000588

Gnomad OTH

AF:

0.000955

GnomAD2 exomes

AF:

0.00165

AC:

416

AN:

251368

AF XY:

0.00137

show subpopulations

Gnomad AFR exome

AF:

0.0116

Gnomad AMR exome

AF:

0.000463

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0100

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000440

Gnomad OTH exome

AF:

0.000489

GnomAD4 exome

AF:

0.000668

AC:

977

AN:

1461854

Hom.:

Cov.:

AF XY:

0.000683

AC XY:

497

AN XY:

727228

show subpopulations

African (AFR)

AF:

0.0122

AC:

408

AN:

33480

American (AMR)

AF:

0.000559

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00783

AC:

311

AN:

39700

South Asian (SAS)

AF:

0.000614

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53380

Middle Eastern (MID)

AF:

0.000520

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000576

AC:

AN:

1112012

Other (OTH)

AF:

0.00187

AC:

113

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.487

Heterozygous variant carriers

125

188

250

313

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

110

<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:

0.00364

AC:

554

AN:

152314

Hom.:

Cov.:

AF XY:

0.00354

AC XY:

264

AN XY:

74492

show subpopulations

African (AFR)

AF:

0.0113

AC:

471

AN:

41572

American (AMR)

AF:

0.00157

AC:

AN:

15304

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00850

AC:

AN:

5178

South Asian (SAS)

AF:

0.00186

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10622

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000588

AC:

AN:

68012

Other (OTH)

AF:

0.000945

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

Heterozygous variant carriers

102

128

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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:

0.00190

Hom.:

Bravo

AF:

0.00431

ESP6500AA

AF:

0.0107

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.00202

AC:

245

Asia WGS

AF:

0.0170

AC:

AN:

3478

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:6

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Primary ciliary dyskinesia

Benign:3

Jan 02, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Sep 23, 2014

Ambry Genetics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Sep 16, 2020

Natera, Inc.

Significance:Benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

- -

not specified

Benign:1

PreventionGenetics, part of Exact Sciences

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Primary ciliary dyskinesia 9

Benign:1

Jan 13, 2018

Illumina Laboratory Services, Illumina

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as likely benign is not then subjected to further curation. The score for this variant resulted in a classification of likely benign for this disease. -

not provided

Benign:1

Breakthrough Genomics, Breakthrough Genomics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:not provided

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.084

BayesDel_addAF

Benign

-0.51

BayesDel_noAF

Benign

-0.50

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.024

.;T;T;T

Eigen

Benign

-0.39

Eigen_PC

Benign

-0.34

FATHMM_MKL

Benign

0.091

LIST_S2

Uncertain

0.86

D;.;D;D

MetaRNN

Benign

0.0056

T;T;T;T

MetaSVM

Benign

-0.87

MutationAssessor

Benign

1.6

L;L;L;.

PhyloP100

0.55

PrimateAI

Benign

0.43

PROVEAN

Benign

-1.8

.;N;N;.

REVEL

Benign

0.083

Sift

Benign

0.075

.;T;T;.

Sift4G

Benign

0.079

T;T;T;T

Polyphen

0.13

.;B;B;.

Vest4

0.17

MVP

0.64

MPC

0.25

ClinPred

0.0075

GERP RS

2.1

PromoterAI

-0.011

Neutral

(source)

Varity_R

0.044

gMVP

0.42

Mutation Taster

=98/2

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

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over