6-110392887-C-G

Variant summary

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

The NM_001372108.2(DDO):ā€‹c.914G>Cā€‹(p.Gly305Ala) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000225 in 1,614,168 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.00035 ( 0 hom., cov: 33)
Exomes š‘“: 0.00021 ( 0 hom. )

Consequence

DDO
NM_001372108.2 missense

Scores

9
6
1

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.33
Variant links:
Genes affected
DDO (HGNC:2727): (D-aspartate oxidase) The protein encoded by this gene is a peroxisomal flavoprotein that catalyzes the oxidative deamination of D-aspartate and N-methyl D-aspartate. Flavin adenine dinucleotide or 6-hydroxyflavin adenine dinucleotide can serve as the cofactor in this reaction. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jan 2019]

Genome browser will be placed here

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 Protein UniProt
DDONM_001372108.2 linkuse as main transcriptc.914G>C p.Gly305Ala missense_variant 5/5 ENST00000368924.9 NP_001359037.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
DDOENST00000368924.9 linkuse as main transcriptc.914G>C p.Gly305Ala missense_variant 5/51 NM_001372108.2 ENSP00000357920.4 Q99489-1
DDOENST00000368923.8 linkuse as main transcriptc.737G>C p.Gly246Ala missense_variant 4/42 ENSP00000357919.4 Q99489-2
DDOENST00000479373.1 linkuse as main transcriptn.*556G>C non_coding_transcript_exon_variant 4/45 ENSP00000436642.1 F2Z2E0
DDOENST00000479373.1 linkuse as main transcriptn.*556G>C 3_prime_UTR_variant 4/45 ENSP00000436642.1 F2Z2E0

Frequencies

GnomAD3 genomes
AF:
0.000355
AC:
54
AN:
152196
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00164
Gnomad ASJ
AF:
0.00403
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.000283
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.000118
Gnomad OTH
AF:
0.000955
GnomAD3 exomes
AF:
0.000315
AC:
79
AN:
250828
Hom.:
0
AF XY:
0.000317
AC XY:
43
AN XY:
135642
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000405
Gnomad ASJ exome
AF:
0.00377
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000653
Gnomad FIN exome
AF:
0.000416
Gnomad NFE exome
AF:
0.000115
Gnomad OTH exome
AF:
0.000490
GnomAD4 exome
AF:
0.000211
AC:
309
AN:
1461856
Hom.:
0
Cov.:
32
AF XY:
0.000210
AC XY:
153
AN XY:
727228
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000335
Gnomad4 ASJ exome
AF:
0.00337
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.000599
Gnomad4 NFE exome
AF:
0.000118
Gnomad4 OTH exome
AF:
0.000364
GnomAD4 genome
AF:
0.000355
AC:
54
AN:
152312
Hom.:
0
Cov.:
33
AF XY:
0.000537
AC XY:
40
AN XY:
74486
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00163
Gnomad4 ASJ
AF:
0.00403
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.000283
Gnomad4 NFE
AF:
0.000118
Gnomad4 OTH
AF:
0.000945
Alfa
AF:
0.000372
Hom.:
0
Bravo
AF:
0.000310
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000581
AC:
5
ExAC
AF:
0.000264
AC:
32
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000545
EpiControl
AF:
0.000178

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 17, 2022The c.998G>C (p.G333A) alteration is located in exon 5 (coding exon 5) of the DDO gene. This alteration results from a G to C substitution at nucleotide position 998, causing the glycine (G) at amino acid position 333 to be replaced by an alanine (A). 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
BayesDel_addAF
Pathogenic
0.25
D
BayesDel_noAF
Pathogenic
0.44
CADD
Pathogenic
27
DANN
Uncertain
1.0
Eigen
Pathogenic
1.0
Eigen_PC
Pathogenic
0.93
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Uncertain
0.97
D;D
M_CAP
Uncertain
0.22
D
MetaRNN
Uncertain
0.57
D;D
MetaSVM
Pathogenic
0.94
D
PrimateAI
Uncertain
0.67
T
PROVEAN
Pathogenic
-5.4
D;D
REVEL
Pathogenic
0.86
Sift
Pathogenic
0.0
D;D
Sift4G
Pathogenic
0.0
D;D
Polyphen
1.0
D;D
Vest4
0.96
MVP
0.88
MPC
0.29
ClinPred
0.86
D
GERP RS
6.0
gMVP
0.80

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: rs144506389; hg19: chr6-110714090; API