chr6-38845636-G-T

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_001206927.2(DNAH8):​c.4908G>T​(p.Glu1636Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00663 in 1,613,928 control chromosomes in the GnomAD database, including 75 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0050 ( 4 hom., cov: 32)
Exomes 𝑓: 0.0068 ( 71 hom. )

Consequence

DNAH8
NM_001206927.2 missense

Scores

1
16

Clinical Significance

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

Conservation

PhyloP100: -1.27

Publications

6 publications found
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]
DNAH8 Gene-Disease associations (from GenCC):
  • spermatogenic failure 46
    Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), ClinGen
  • spermatogenic failure 5
    Inheritance: AR Classification: MODERATE Submitted by: Franklin by Genoox
  • primary ciliary dyskinesia
    Inheritance: AR Classification: NO_KNOWN Submitted by: ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.004161775).
BP6
Variant 6-38845636-G-T is Benign according to our data. Variant chr6-38845636-G-T is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 238649.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population sas. GnomAd4 allele frequency = 0.00497 (757/152254) while in subpopulation SAS AF = 0.0191 (92/4816). AF 95% confidence interval is 0.0159. There are 4 homozygotes in GnomAd4. There are 366 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.
BS2
High Homozygotes in GnomAd4 at 4 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
DNAH8NM_001206927.2 linkc.4908G>T p.Glu1636Asp missense_variant Exon 36 of 93 ENST00000327475.11 NP_001193856.1 Q96JB1Q8IU65A0A075B6F3

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
DNAH8ENST00000327475.11 linkc.4908G>T p.Glu1636Asp missense_variant Exon 36 of 93 5 NM_001206927.2 ENSP00000333363.7 A0A075B6F3
DNAH8ENST00000359357.7 linkc.4257G>T p.Glu1419Asp missense_variant Exon 34 of 91 2 ENSP00000352312.3 Q96JB1-1
DNAH8ENST00000449981.6 linkc.4908G>T p.Glu1636Asp missense_variant Exon 35 of 82 5 ENSP00000415331.2 H0Y7V4

Frequencies

GnomAD3 genomes
AF:
0.00499
AC:
759
AN:
152136
Hom.:
4
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000893
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00563
Gnomad ASJ
AF:
0.00173
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.0191
Gnomad FIN
AF:
0.00113
Gnomad MID
AF:
0.0285
Gnomad NFE
AF:
0.00735
Gnomad OTH
AF:
0.00766
GnomAD2 exomes
AF:
0.00706
AC:
1770
AN:
250884
AF XY:
0.00825
show subpopulations
Gnomad AFR exome
AF:
0.000738
Gnomad AMR exome
AF:
0.00370
Gnomad ASJ exome
AF:
0.00368
Gnomad EAS exome
AF:
0.000272
Gnomad FIN exome
AF:
0.00102
Gnomad NFE exome
AF:
0.00743
Gnomad OTH exome
AF:
0.00654
GnomAD4 exome
AF:
0.00680
AC:
9939
AN:
1461674
Hom.:
71
Cov.:
31
AF XY:
0.00737
AC XY:
5357
AN XY:
727154
show subpopulations
African (AFR)
AF:
0.00102
AC:
34
AN:
33466
American (AMR)
AF:
0.00362
AC:
162
AN:
44714
Ashkenazi Jewish (ASJ)
AF:
0.00379
AC:
99
AN:
26128
East Asian (EAS)
AF:
0.000151
AC:
6
AN:
39672
South Asian (SAS)
AF:
0.0226
AC:
1947
AN:
86252
European-Finnish (FIN)
AF:
0.00124
AC:
66
AN:
53416
Middle Eastern (MID)
AF:
0.0187
AC:
108
AN:
5768
European-Non Finnish (NFE)
AF:
0.00640
AC:
7112
AN:
1111868
Other (OTH)
AF:
0.00671
AC:
405
AN:
60390
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.477
Heterozygous variant carriers
0
559
1118
1678
2237
2796
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
256
512
768
1024
1280
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00497
AC:
757
AN:
152254
Hom.:
4
Cov.:
32
AF XY:
0.00492
AC XY:
366
AN XY:
74448
show subpopulations
African (AFR)
AF:
0.000890
AC:
37
AN:
41550
American (AMR)
AF:
0.00556
AC:
85
AN:
15290
Ashkenazi Jewish (ASJ)
AF:
0.00173
AC:
6
AN:
3472
East Asian (EAS)
AF:
0.000193
AC:
1
AN:
5182
South Asian (SAS)
AF:
0.0191
AC:
92
AN:
4816
European-Finnish (FIN)
AF:
0.00113
AC:
12
AN:
10608
Middle Eastern (MID)
AF:
0.0272
AC:
8
AN:
294
European-Non Finnish (NFE)
AF:
0.00735
AC:
500
AN:
68018
Other (OTH)
AF:
0.00758
AC:
16
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.503
Heterozygous variant carriers
0
38
76
113
151
189
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
20
40
60
80
100
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00678
Hom.:
9
Bravo
AF:
0.00486
TwinsUK
AF:
0.00674
AC:
25
ALSPAC
AF:
0.00727
AC:
28
ESP6500AA
AF:
0.000681
AC:
3
ESP6500EA
AF:
0.00767
AC:
66
ExAC
AF:
0.00748
AC:
908
Asia WGS
AF:
0.00837
AC:
29
AN:
3478
EpiCase
AF:
0.00976
EpiControl
AF:
0.00854

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
Jan 28, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Spermatogenic failure 46 Benign:1
Dec 02, 2021
Fulgent Genetics, Fulgent Genetics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.068
BayesDel_addAF
Benign
-0.56
T
BayesDel_noAF
Benign
-0.56
CADD
Benign
13
DANN
Uncertain
0.99
DEOGEN2
Benign
0.0098
T;T;T
Eigen
Benign
-0.74
Eigen_PC
Benign
-0.71
FATHMM_MKL
Benign
0.054
N
LIST_S2
Benign
0.60
T;T;T
MetaRNN
Benign
0.0042
T;T;T
MetaSVM
Benign
-0.96
T
MutationAssessor
Benign
1.0
.;.;L
PhyloP100
-1.3
PrimateAI
Benign
0.43
T
PROVEAN
Benign
-0.51
.;N;N
REVEL
Benign
0.062
Sift
Benign
0.44
.;T;T
Polyphen
0.30
.;.;B
Vest4
0.18
MutPred
0.44
.;.;Loss of helix (P = 0.2271);
MVP
0.54
MPC
0.11
ClinPred
0.0067
T
GERP RS
-2.4
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.045
gMVP
0.35
Mutation Taster
=95/5
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.090
Details are displayed if max score is > 0.2

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

Publications

Other links and lift over

dbSNP: rs61757219; hg19: chr6-38813412; API