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GeneBe

2-195738125-C-T

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_018897.3(DNAH7):​c.11871G>A​(p.Met3957Ile) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000216 in 1,613,528 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. 1/1 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00096 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00014 ( 0 hom. )

Consequence

DNAH7
NM_018897.3 missense, splice_region

Scores

3
14

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.90
Variant links:
Genes affected
DNAH7 (HGNC:18661): (dynein axonemal heavy chain 7) DNAH7 is a component of the inner dynein arm of ciliary axonemes (Zhang et al., 2002 [PubMed 11877439]).[supplied by OMIM, Mar 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.013422877).
BP6
Variant 2-195738125-C-T is Benign according to our data. Variant chr2-195738125-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3049162.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DNAH7NM_018897.3 linkuse as main transcriptc.11871G>A p.Met3957Ile missense_variant, splice_region_variant 65/65 ENST00000312428.11
LOC107985972XR_001739837.2 linkuse as main transcriptn.4C>T non_coding_transcript_exon_variant 1/3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DNAH7ENST00000312428.11 linkuse as main transcriptc.11871G>A p.Met3957Ile missense_variant, splice_region_variant 65/651 NM_018897.3 P1Q8WXX0-1
DNAH7ENST00000409063.5 linkuse as main transcriptc.1320G>A p.Met440Ile missense_variant, splice_region_variant 10/101 Q8WXX0-2
DNAH7ENST00000438565.1 linkuse as main transcriptc.*2G>A splice_region_variant, 3_prime_UTR_variant 3/33
DNAH7ENST00000484183.1 linkuse as main transcriptn.369G>A splice_region_variant, non_coding_transcript_exon_variant 2/22

Frequencies

GnomAD3 genomes
AF:
0.000959
AC:
146
AN:
152216
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00314
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000654
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:
0.0000441
Gnomad OTH
AF:
0.00143
GnomAD3 exomes
AF:
0.000253
AC:
63
AN:
248530
Hom.:
0
AF XY:
0.000193
AC XY:
26
AN XY:
134818
show subpopulations
Gnomad AFR exome
AF:
0.00271
Gnomad AMR exome
AF:
0.000319
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000800
Gnomad OTH exome
AF:
0.000166
GnomAD4 exome
AF:
0.000139
AC:
203
AN:
1461194
Hom.:
0
Cov.:
31
AF XY:
0.000127
AC XY:
92
AN XY:
726914
show subpopulations
Gnomad4 AFR exome
AF:
0.00379
Gnomad4 AMR exome
AF:
0.000336
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000306
Gnomad4 OTH exome
AF:
0.000249
GnomAD4 genome
AF:
0.000958
AC:
146
AN:
152334
Hom.:
0
Cov.:
33
AF XY:
0.000926
AC XY:
69
AN XY:
74498
show subpopulations
Gnomad4 AFR
AF:
0.00313
Gnomad4 AMR
AF:
0.000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000441
Gnomad4 OTH
AF:
0.00142
Alfa
AF:
0.000269
Hom.:
1
Bravo
AF:
0.00109
ESP6500AA
AF:
0.00238
AC:
9
ESP6500EA
AF:
0.000122
AC:
1
ExAC
AF:
0.000331
AC:
40
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000164
EpiControl
AF:
0.000119

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

DNAH7-related disorder Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesNov 11, 2022This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.18
BayesDel_addAF
Benign
-0.37
T
BayesDel_noAF
Benign
-0.31
CADD
Benign
19
DANN
Benign
0.71
Eigen
Benign
-0.64
Eigen_PC
Benign
-0.35
FATHMM_MKL
Uncertain
0.77
D
LIST_S2
Uncertain
0.87
D;T
M_CAP
Benign
0.0042
T
MetaRNN
Benign
0.013
T;T
MetaSVM
Benign
-0.94
T
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.57
T
PROVEAN
Benign
0.19
N;N
REVEL
Benign
0.20
Sift
Benign
1.0
T;T
Sift4G
Benign
1.0
T;.
Polyphen
0.0010
.;B
Vest4
0.28
MutPred
0.58
.;Loss of MoRF binding (P = 0.1141);
MVP
0.12
MPC
0.032
ClinPred
0.017
T
GERP RS
4.5
Varity_R
0.20
gMVP
0.48

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs116269254; hg19: chr2-196602849; API