rs61748602

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_001206927.2(DNAH8):​c.4084-4G>T variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00624 in 1,575,248 control chromosomes in the GnomAD database, including 51 homozygotes. In-silico tool predicts a benign outcome for this variant. 2/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0053 ( 2 hom., cov: 31)
Exomes 𝑓: 0.0063 ( 49 hom. )

Consequence

DNAH8
NM_001206927.2 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.0002234
2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.436
Variant links:
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.82).
BP6
Variant 6-38828180-G-T is Benign according to our data. Variant chr6-38828180-G-T is described in ClinVar as [Likely_benign]. Clinvar id is 238645.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.00526 (801/152190) while in subpopulation NFE AF= 0.00697 (474/67972). AF 95% confidence interval is 0.00645. There are 2 homozygotes in gnomad4. There are 403 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DNAH8NM_001206927.2 linkuse as main transcriptc.4084-4G>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000327475.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DNAH8ENST00000327475.11 linkuse as main transcriptc.4084-4G>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 5 NM_001206927.2 P2
DNAH8ENST00000359357.7 linkuse as main transcriptc.3433-4G>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 2 A2Q96JB1-1
DNAH8ENST00000449981.6 linkuse as main transcriptc.4084-4G>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 5

Frequencies

GnomAD3 genomes
AF:
0.00527
AC:
801
AN:
152072
Hom.:
2
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00101
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00426
Gnomad ASJ
AF:
0.0210
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00145
Gnomad FIN
AF:
0.0123
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00697
Gnomad OTH
AF:
0.00479
GnomAD3 exomes
AF:
0.00611
AC:
1403
AN:
229690
Hom.:
9
AF XY:
0.00621
AC XY:
771
AN XY:
124168
show subpopulations
Gnomad AFR exome
AF:
0.000791
Gnomad AMR exome
AF:
0.00314
Gnomad ASJ exome
AF:
0.0196
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00179
Gnomad FIN exome
AF:
0.0144
Gnomad NFE exome
AF:
0.00665
Gnomad OTH exome
AF:
0.00797
GnomAD4 exome
AF:
0.00634
AC:
9026
AN:
1423058
Hom.:
49
Cov.:
27
AF XY:
0.00634
AC XY:
4485
AN XY:
707444
show subpopulations
Gnomad4 AFR exome
AF:
0.000345
Gnomad4 AMR exome
AF:
0.00330
Gnomad4 ASJ exome
AF:
0.0180
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00189
Gnomad4 FIN exome
AF:
0.0155
Gnomad4 NFE exome
AF:
0.00642
Gnomad4 OTH exome
AF:
0.00753
GnomAD4 genome
AF:
0.00526
AC:
801
AN:
152190
Hom.:
2
Cov.:
31
AF XY:
0.00542
AC XY:
403
AN XY:
74394
show subpopulations
Gnomad4 AFR
AF:
0.00101
Gnomad4 AMR
AF:
0.00425
Gnomad4 ASJ
AF:
0.0210
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00145
Gnomad4 FIN
AF:
0.0123
Gnomad4 NFE
AF:
0.00697
Gnomad4 OTH
AF:
0.00474
Alfa
AF:
0.00656
Hom.:
3
Bravo
AF:
0.00478
Asia WGS
AF:
0.000289
AC:
1
AN:
3474

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Primary ciliary dyskinesia Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeJan 25, 2024- -
not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenDec 01, 2023DNAH8: BS2 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.82
CADD
Benign
7.2
DANN
Benign
0.47

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00022
dbscSNV1_RF
Benign
0.0080
SpliceAI score (max)
0.34
Details are displayed if max score is > 0.2
DS_AG_spliceai
0.34
Position offset: 27

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: rs61748602; hg19: chr6-38795956; API