6-73406463-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_018665.3(DDX43):​c.907C>A​(p.His303Asn) variant causes a missense change. The variant allele was found at a frequency of 0.000211 in 1,610,138 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00022 ( 0 hom. )

Consequence

DDX43
NM_018665.3 missense

Scores

4
8
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.02
Variant links:
Genes affected
DDX43 (HGNC:18677): (DEAD-box helicase 43) The protein encoded by this gene is an ATP-dependent RNA helicase in the DEAD-box family and displays tumor-specific expression. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.876

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
DDX43NM_018665.3 linkuse as main transcriptc.907C>A p.His303Asn missense_variant 7/17 ENST00000370336.5 NP_061135.2 Q9NXZ2-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
DDX43ENST00000370336.5 linkuse as main transcriptc.907C>A p.His303Asn missense_variant 7/171 NM_018665.3 ENSP00000359361.4 Q9NXZ2-1

Frequencies

GnomAD3 genomes
AF:
0.000112
AC:
17
AN:
152230
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.0000941
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000220
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000757
AC:
19
AN:
250926
Hom.:
0
AF XY:
0.0000737
AC XY:
10
AN XY:
135642
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
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:
0.000150
Gnomad OTH exome
AF:
0.000327
GnomAD4 exome
AF:
0.000221
AC:
322
AN:
1457908
Hom.:
0
Cov.:
28
AF XY:
0.000223
AC XY:
162
AN XY:
725486
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000281
Gnomad4 OTH exome
AF:
0.000166
GnomAD4 genome
AF:
0.000112
AC:
17
AN:
152230
Hom.:
0
Cov.:
32
AF XY:
0.000134
AC XY:
10
AN XY:
74376
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.0000941
Gnomad4 NFE
AF:
0.000220
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000147
Hom.:
0
Bravo
AF:
0.000125
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.0000988
AC:
12
EpiCase
AF:
0.000219
EpiControl
AF:
0.000415

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsFeb 15, 2023The c.907C>A (p.H303N) alteration is located in exon 7 (coding exon 7) of the DDX43 gene. This alteration results from a C to A substitution at nucleotide position 907, causing the histidine (H) at amino acid position 303 to be replaced by an asparagine (N). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.49
BayesDel_addAF
Benign
-0.25
T
BayesDel_noAF
Benign
-0.33
CADD
Pathogenic
27
DANN
Uncertain
0.99
DEOGEN2
Benign
0.040
T
Eigen
Uncertain
0.62
Eigen_PC
Uncertain
0.61
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Uncertain
0.91
D
M_CAP
Benign
0.028
D
MetaRNN
Pathogenic
0.88
D
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.1
L
PrimateAI
Uncertain
0.60
T
PROVEAN
Pathogenic
-6.8
D
REVEL
Uncertain
0.41
Sift
Pathogenic
0.0
D
Sift4G
Uncertain
0.0060
D
Polyphen
1.0
D
Vest4
0.89
MVP
0.48
MPC
1.1
ClinPred
0.64
D
GERP RS
5.1
Varity_R
0.87
gMVP
0.65

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
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: rs138818742; hg19: chr6-74116186; API