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GeneBe

2-195738000-G-A

Variant summary

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

The NM_018897.3(DNAH7):​c.11996C>T​(p.Ala3999Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,794 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

DNAH7
NM_018897.3 missense

Scores

4
6
7

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 9.94
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]

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ACMG classification

Classification made for transcript

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 UniProt
DNAH7NM_018897.3 linkuse as main transcriptc.11996C>T p.Ala3999Val missense_variant 65/65 ENST00000312428.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DNAH7ENST00000312428.11 linkuse as main transcriptc.11996C>T p.Ala3999Val missense_variant 65/651 NM_018897.3 P1Q8WXX0-1
DNAH7ENST00000409063.5 linkuse as main transcriptc.1445C>T p.Ala482Val missense_variant 10/101 Q8WXX0-2
DNAH7ENST00000438565.1 linkuse as main transcriptc.*127C>T 3_prime_UTR_variant 3/33
DNAH7ENST00000484183.1 linkuse as main transcriptn.494C>T non_coding_transcript_exon_variant 2/22

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461794
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
727202
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.56
BayesDel_addAF
Uncertain
0.064
T
BayesDel_noAF
Benign
-0.15
CADD
Uncertain
25
DANN
Uncertain
0.98
Eigen
Pathogenic
0.74
Eigen_PC
Pathogenic
0.70
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.97
D;D
M_CAP
Benign
0.015
T
MetaRNN
Uncertain
0.71
D;D
MetaSVM
Benign
-0.63
T
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.65
T
PROVEAN
Uncertain
-2.9
D;D
REVEL
Benign
0.24
Sift
Benign
0.47
T;T
Sift4G
Benign
0.38
T;.
Polyphen
0.93
.;P
Vest4
0.65
MutPred
0.54
.;Gain of sheet (P = 0.1208);
MVP
0.50
MPC
0.20
ClinPred
0.99
D
GERP RS
4.5
Varity_R
0.37
gMVP
0.64

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

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

Other links and lift over

dbSNP: rs1692744405; hg19: chr2-196602724; COSMIC: COSV100414094; COSMIC: COSV100414094; API