rs1555723797

Positions:

• chr19-11430997-C-CA

Variant summary

Our verdict is Pathogenic. Variant got 18 ACMG points: 18P and 0B. PVS1 PM2 PP5_Very_Strong

The NM_145045.5(ODAD3):​c.267_268insT​(p.Glu90Ter) variant causes a frameshift change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,866 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Pathogenic (★★). Variant results in nonsense mediated mRNA decay.

• Frequency:
  • Genomes: not found (cov: 30)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: ODAD3 NM_145045.5 frameshift
• Clinical Significance: Pathogenic criteria provided, multiple submitters, no conflicts P:2
• Conservation: PhyloP100: 0.397

Genes affected

ODAD3 (HGNC:28303): (outer dynein arm docking complex subunit 3) This gene encodes a protein containing coiled-coil domains. The encoded protein functions in outer dynein arm assembly and is required for motile cilia function. Mutations in this gene result in primary ciliary dyskinesia. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Oct 2014]

ACMG classification

Verdict is Pathogenic. Variant got 18 ACMG points.

• PVS1: Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
• PM2: Very rare variant in population databases, with high coverage
• PP5: Variant 19-11430997-C-CA is Pathogenic according to our data. Variant chr19-11430997-C-CA is described in ClinVar as [Pathogenic]. Clinvar id is 477980.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ODAD3	NM_145045.5	c.267_268insT	p.Glu90Ter	frameshift_variant	2/13	ENST00000356392.9
ODAD3	NM_001302453.1	c.105_106insT	p.Glu36Ter	frameshift_variant	2/13
ODAD3	NM_001302454.2	c.267_268insT	p.Glu90Ter	frameshift_variant	2/11
ODAD3	XM_017026241.2	c.267_268insT	p.Glu90Ter	frameshift_variant	2/9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ODAD3	ENST00000356392.9	c.267_268insT	p.Glu90Ter	frameshift_variant	2/13	1	NM_145045.5	P2

Frequencies

GnomAD3 genomes Cov.: 30

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461866 Hom.: 0 Cov.: 35 AF XY: 0.00000138 AC XY: 1 AN XY: 727232

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 8.99e-7

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 30

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:2

Revision: criteria provided, multiple submitters, no conflicts

Submissions by phenotype

Primary ciliary dyskinesia 30 Pathogenic:2

Pathogenic, criteria provided, single submitter	clinical testing	Beijing Key Laboratry for Genetics of Birth Defects, Beijing Children's Hospital	Dec 20, 2020	- -
Pathogenic, criteria provided, single submitter	clinical testing	Invitae	Feb 11, 2022	This sequence change creates a premature translational stop signal (p.Glu90*) in the CCDC151 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in CCDC151 are known to be pathogenic (PMID: 25192045). This variant is not present in population databases (gnomAD no frequency). For these reasons, this variant has been classified as Pathogenic. ClinVar contains an entry for this variant (Variation ID: 477980). This variant has not been reported in the literature in individuals affected with CCDC151-related conditions. -

Computational scores

Source: dbNSFP v4.3

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.23		Details are displayed if max score is > 0.2
DS_AG_spliceai		0.23		Position offset: -3

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Other links and lift over

dbSNP: rs1555723797; hg19: chr19-11541817;