17-78427016-G-C

Variant names:

• chr17-78427016-G-C
• rs2271613
• NM_173628.4:c.12681C>G

Variant summary

Our verdict is Pathogenic. The variant received 10 ACMG points: 10P and 0B. PVS1 PM2

The ENST00000389840.7(DNAH17):​c.12681C>G​(p.Tyr4227*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as (no stars). Synonymous variant affecting the same amino acid position (i.e. Y4227Y) has been classified as Benign. Variant results in nonsense mediated mRNA decay.

• Frequency: Genomes: not found (cov: 32)
• Consequence: DNAH17 ENST00000389840.7 stop_gained
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.423
• Publications: 0 publications found

Genes affected

DNAH17 (HGNC:2946): (dynein axonemal heavy chain 17) Dyneins are microtubule-associated motor protein complexes composed of several heavy, light, and intermediate chains. DNAH17 is a heavy chain associated with axonemal dynein (Milisav and Affara, 1998 [PubMed 9545504]).[supplied by OMIM, Mar 2008]

DNAH17 Gene-Disease associations (from GenCC):

• spermatogenic failure 39

  Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
• non-syndromic male infertility due to sperm motility disorder

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Pathogenic. The variant received 10 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

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000389840.7. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DNAH17	NM_173628.4	MANE Select	c.12681C>G	p.Tyr4227*	stop_gained	Exon 78 of 81	NP_775899.3

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DNAH17	ENST00000389840.7	TSL:5 MANE Select	c.12681C>G	p.Tyr4227*	stop_gained	Exon 78 of 81	ENSP00000374490.6
	DNAH17	ENST00000586052.5	TSL:5	n.5842C>G		non_coding_transcript_exon	Exon 32 of 35
	DNAH17	ENST00000586850.1	TSL:3	n.213C>G		non_coding_transcript_exon	Exon 2 of 3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 59

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.49	D
BayesDel_noAF	Pathogenic	0.47
CADD	Pathogenic	39
DANN	Uncertain	0.98
Eigen	Benign	-0.23
Eigen_PC	Benign	-0.51
FATHMM_MKL	Benign	0.42	N
PhyloP100		-0.42
Vest4		0.29
GERP RS		-4.8

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

Other links and lift over

dbSNP: rs2271613; hg19: chr17-76423097;