rs76334696

Variant summary

Our verdict is Benign. Variant got -18 ACMG points: 2P and 20B. PM1BP4_StrongBP6_Very_StrongBA1

The NM_012144.4(DNAI1):​c.1604C>A​(p.Thr535Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00654 in 1,614,238 control chromosomes in the GnomAD database, including 278 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. T535A) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0076 ( 29 hom., cov: 32)
Exomes 𝑓: 0.0064 ( 249 hom. )

Consequence

DNAI1
NM_012144.4 missense

Scores

8
10

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:7

Conservation

PhyloP100: 1.67
Variant links:
Genes affected
DNAI1 (HGNC:2954): (dynein axonemal intermediate chain 1) This gene encodes a member of the dynein intermediate chain family. The encoded protein is part of the dynein complex in respiratory cilia. The inner- and outer-arm dyneins, which bridge between the doublet microtubules in axonemes, are the force-generating proteins responsible for the sliding movement in axonemes. The intermediate and light chains, thought to form the base of the dynein arm, help mediate attachment and may also participate in regulating dynein activity. Mutations in this gene result in abnormal ciliary ultrastructure and function associated with primary ciliary dyskinesia and Kartagener syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2013]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -18 ACMG points.

PM1
In a repeat WD 5 (size 39) in uniprot entity DNAI1_HUMAN there are 6 pathogenic changes around while only 1 benign (86%) in NM_012144.4
BP4
Computational evidence support a benign effect (MetaRNN=0.0071043074).
BP6
Variant 9-34514428-C-A is Benign according to our data. Variant chr9-34514428-C-A is described in ClinVar as [Likely_benign]. Clinvar id is 178763.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.0585 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DNAI1NM_012144.4 linkuse as main transcriptc.1604C>A p.Thr535Asn missense_variant 17/20 ENST00000242317.9
DNAI1NM_001281428.2 linkuse as main transcriptc.1616C>A p.Thr539Asn missense_variant 17/20

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DNAI1ENST00000242317.9 linkuse as main transcriptc.1604C>A p.Thr535Asn missense_variant 17/201 NM_012144.4 Q9UI46-1

Frequencies

GnomAD3 genomes
AF:
0.00763
AC:
1162
AN:
152238
Hom.:
29
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000531
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000981
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.0643
Gnomad SAS
AF:
0.0480
Gnomad FIN
AF:
0.0432
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00134
Gnomad OTH
AF:
0.00430
GnomAD3 exomes
AF:
0.0154
AC:
3861
AN:
251334
Hom.:
102
AF XY:
0.0168
AC XY:
2277
AN XY:
135838
show subpopulations
Gnomad AFR exome
AF:
0.000554
Gnomad AMR exome
AF:
0.000318
Gnomad ASJ exome
AF:
0.000199
Gnomad EAS exome
AF:
0.0680
Gnomad SAS exome
AF:
0.0470
Gnomad FIN exome
AF:
0.0428
Gnomad NFE exome
AF:
0.00143
Gnomad OTH exome
AF:
0.0101
GnomAD4 exome
AF:
0.00643
AC:
9395
AN:
1461882
Hom.:
249
Cov.:
32
AF XY:
0.00771
AC XY:
5605
AN XY:
727240
show subpopulations
Gnomad4 AFR exome
AF:
0.000239
Gnomad4 AMR exome
AF:
0.000425
Gnomad4 ASJ exome
AF:
0.000268
Gnomad4 EAS exome
AF:
0.0598
Gnomad4 SAS exome
AF:
0.0453
Gnomad4 FIN exome
AF:
0.0416
Gnomad4 NFE exome
AF:
0.000333
Gnomad4 OTH exome
AF:
0.00782
GnomAD4 genome
AF:
0.00761
AC:
1160
AN:
152356
Hom.:
29
Cov.:
32
AF XY:
0.00985
AC XY:
734
AN XY:
74504
show subpopulations
Gnomad4 AFR
AF:
0.000529
Gnomad4 AMR
AF:
0.000980
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.0642
Gnomad4 SAS
AF:
0.0480
Gnomad4 FIN
AF:
0.0432
Gnomad4 NFE
AF:
0.00134
Gnomad4 OTH
AF:
0.00378
Alfa
AF:
0.00327
Hom.:
21
Bravo
AF:
0.00343
ESP6500AA
AF:
0.000908
AC:
4
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0152
AC:
1845
Asia WGS
AF:
0.0450
AC:
158
AN:
3478
EpiCase
AF:
0.0000545
EpiControl
AF:
0.000237

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:7
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Primary ciliary dyskinesia Benign:4
Benign, no assertion criteria providedclinical testingNatera, Inc.Sep 16, 2020- -
Likely benign, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJun 14, 2016- -
Benign, criteria provided, single submitterclinical testingInvitaeJan 31, 2024- -
Benign, criteria provided, single submitterclinical testingAmbry GeneticsJan 02, 2015This 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. -
not specified Benign:2
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact Sciences-- -
Benign, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineFeb 21, 2013Thr535Asn in exon 17 of DNAI1: This variant is not expected to have clinical sig nificance because it has been identified in 5.9% (11/186) of Finnish chromosomes from a broad population by the 1000 Genomes Project (http://www.ncbi.nlm.nih.go v/projects/SNP; dbSNP rs76334696). -
not provided Benign:1
Benign, criteria provided, single submitterclinical testingGeneDxMay 23, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.40
T
BayesDel_noAF
Benign
-0.29
CADD
Benign
20
DANN
Uncertain
0.99
DEOGEN2
Benign
0.13
T;T
Eigen
Benign
0.079
Eigen_PC
Benign
0.19
FATHMM_MKL
Uncertain
0.83
D
LIST_S2
Uncertain
0.92
D;D
MetaRNN
Benign
0.0071
T;T
MetaSVM
Benign
-0.77
T
MutationAssessor
Uncertain
2.2
.;M
MutationTaster
Benign
0.73
D
PrimateAI
Uncertain
0.50
T
PROVEAN
Uncertain
-4.0
.;D
REVEL
Benign
0.18
Sift
Uncertain
0.0040
.;D
Sift4G
Uncertain
0.0040
D;D
Polyphen
0.0090
.;B
Vest4
0.18
MPC
0.20
ClinPred
0.029
T
GERP RS
4.6
Varity_R
0.46
gMVP
0.48

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs76334696; hg19: chr9-34514426; COSMIC: COSV54286344; API