7-21707848-C-G

Position:

• chr7-21707848-C-G

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_Strong BP6 BS1 BS2

The NM_001277115.2(DNAH11):​c.6683+13C>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0022 in 1,556,698 control chromosomes in the GnomAD database, including 60 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

• Frequency:
  • Genomes: 𝑓 0.012 (22 hom., cov: 32)
  • Exomes 𝑓: 0.0011 (38 hom.)
• Consequence: DNAH11 NM_001277115.2 intron
• Clinical Significance: Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1 B:5
• Conservation: PhyloP100: 0.587

Genes affected

DNAH11 (HGNC:2942): (dynein axonemal heavy chain 11) This gene encodes a ciliary outer dynein arm protein and is a member of the dynein heavy chain family. It is a microtubule-dependent motor ATPase and has been reported to be involved in the movement of respiratory cilia. Mutations in this gene have been implicated in causing Kartagener Syndrome (a combination of situs inversus totalis and Primary Ciliary Dyskinesia (PCD), also called Immotile Cilia Syndrome 1 (ICS1)) and male sterility. [provided by RefSeq, Mar 2013]

ACMG classification

Verdict is Benign. Variant got -13 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.64).
• BP6: Variant 7-21707848-C-G is Benign according to our data. Variant chr7-21707848-C-G is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 226588.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=1, Benign=4}.
• BS1: Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0121 (1849/152218) while in subpopulation AFR AF= 0.041 (1701/41526). AF 95% confidence interval is 0.0393. There are 22 homozygotes in gnomad4. There are 907 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
• BS2: High Homozygotes in GnomAd4 at 22 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
DNAH11	NM_001277115.2	c.6683+13C>G		intron_variant		ENST00000409508.8	NP_001264044.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
DNAH11	ENST00000409508.8	c.6683+13C>G		intron_variant		5	NM_001277115.2	ENSP00000475939.1

Frequencies

GnomAD3 genomes AF: 0.0121 AC: 1845 AN: 152100 Hom.: 22 Cov.: 32

Gnomad AFR AF: 0.0410

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00773

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00104

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.000103

Gnomad OTH AF: 0.00860

GnomAD3 exomes AF: 0.00336 AC: 708 AN: 210766 Hom.: 9 AF XY: 0.00275 AC XY: 316 AN XY: 114922

Gnomad AFR exome AF: 0.0419

Gnomad AMR exome AF: 0.00305

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.000386

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.0000393

Gnomad OTH exome AF: 0.00124

GnomAD4 exome AF: 0.00113 AC: 1583 AN: 1404480 Hom.: 38 Cov.: 30 AF XY: 0.000999 AC XY: 693 AN XY: 693746

Gnomad4 AFR exome AF: 0.0407

Gnomad4 AMR exome AF: 0.00319

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.000436

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.0000157

Gnomad4 OTH exome AF: 0.00288

GnomAD4 genome AF: 0.0121 AC: 1849 AN: 152218 Hom.: 22 Cov.: 32 AF XY: 0.0122 AC XY: 907 AN XY: 74444

Gnomad4 AFR AF: 0.0410

Gnomad4 AMR AF: 0.00772

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00104

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000103

Gnomad4 OTH AF: 0.00851

Alfa AF: 0.000737 Hom.: 0

Bravo AF: 0.0139

Asia WGS AF: 0.00346 AC: 12 AN: 3478

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1 Benign:5

Revision: criteria provided, conflicting classifications

Submissions by phenotype

Primary ciliary dyskinesia Uncertain:1 Benign:1

Uncertain significance, criteria provided, single submitter	clinical testing	Illumina Laboratory Services, Illumina	Jun 14, 2016	- -
Benign, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Jan 31, 2024	- -

not specified Benign:2

Benign, criteria provided, single submitter	clinical testing	Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine	Feb 21, 2013	6683+13C>G in intron 40 of DNAH11: This variant is not expected to have clinical significance because it is not located within the conserved splice consensus se quence. It has been identified in 3.6% (132/3686) of African American chromosome s from a broad population by the NHLBI Exome Sequencing Project (http://evs.gs.w ashington.edu/EVS; dbSNP rs17145077). -
Benign, criteria provided, single submitter	clinical testing	PreventionGenetics, part of Exact Sciences	-	- -

Primary ciliary dyskinesia 7 Benign:1

Benign, criteria provided, single submitter

clinical testing

ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories

Aug 07, 2023

- -

not provided Benign:1

Likely benign, criteria provided, single submitter

clinical testing

GeneDx

Apr 06, 2020

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.64
CADD	Benign	13
DANN	Benign	0.68

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

Other links and lift over

dbSNP: rs17145077; hg19: chr7-21747466;