chr6-38875744-C-G

Position:

• chr6-38875744-C-G

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001206927.2(DNAH8):​c.7774C>G​(p.Arg2592Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000744 in 1,613,740 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000075 (0 hom.)
• Consequence: DNAH8 NM_001206927.2 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.793

Genes affected

DNAH8 (HGNC:2952): (dynein axonemal heavy chain 8) The protein encoded by this gene is a heavy chain of an axonemal dynein involved in sperm and respiratory cilia motility. Axonemal dyneins generate force through hydrolysis of ATP and binding to microtubules. [provided by RefSeq, Jan 2012]

DNAH8 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
DNAH8	NM_001206927.2	c.7774C>G	p.Arg2592Gly	missense_variant	53/93	ENST00000327475.11	NP_001193856.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
DNAH8	ENST00000327475.11	c.7774C>G	p.Arg2592Gly	missense_variant	53/93	5	NM_001206927.2	ENSP00000333363.7
DNAH8	ENST00000359357.7	c.7123C>G	p.Arg2375Gly	missense_variant	51/91	2		ENSP00000352312.3
DNAH8	ENST00000449981.6	c.7774C>G	p.Arg2592Gly	missense_variant	52/82	5		ENSP00000415331.2

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 152048 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000147

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 0.00000753 AC: 11 AN: 1461692 Hom.: 0 Cov.: 32 AF XY: 0.00000825 AC XY: 6 AN XY: 727146

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: 0.00000809

Gnomad4 OTH exome AF: 0.0000331

GnomAD4 genome AF: 0.00000658 AC: 1 AN: 152048 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 74278

Gnomad4 AFR AF: 0.00

Gnomad4 AMR AF: 0.00

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.0000147

Gnomad4 OTH AF: 0.00

Bravo AF: 0.00000756

EpiCase AF: 0.0000545

EpiControl AF: 0.0000593

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Uncertain	0.37
BayesDel_addAF	Pathogenic	0.17	D
BayesDel_noAF	Uncertain	0.0
CADD	Benign	13
DANN	Benign	0.95
DEOGEN2	Benign	0.13	T;T;T
Eigen	Benign	-0.22
Eigen_PC	Benign	-0.41
FATHMM_MKL	Benign	0.56	D
LIST_S2	Uncertain	0.87	D;D;D
M_CAP	Benign	0.032	D
MetaRNN	Uncertain	0.74	D;D;D
MetaSVM	Benign	-0.91	T
MutationAssessor	Uncertain	2.5	.;.;M
PrimateAI	Benign	0.39	T
PROVEAN	Pathogenic	-4.4	.;D;D
REVEL	Benign	0.27
Sift	Benign	0.26	.;T;T
Polyphen		0.91	.;.;P
Vest4		0.82
MutPred		0.56		.;.;Loss of solvent accessibility (P = 0.0329);
MVP		0.65
MPC		0.19
ClinPred		0.96	D
GERP RS		0.21
Varity_R		0.38
gMVP		0.72

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: rs113332942; hg19: chr6-38843520;