chr8-124488694-T-C

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_032026.4(TATDN1):​c.794A>G​(p.Gln265Arg) variant causes a missense, splice region change. The variant allele was found at a frequency of 0.00000378 in 1,587,898 control chromosomes in the GnomAD database, with no homozygous occurrence. 1/1 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000035 ( 0 hom. )

Consequence

TATDN1
NM_032026.4 missense, splice_region

Scores

4
9
6

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.95

Publications

1 publications found
Variant links:
Genes affected
TATDN1 (HGNC:24220): (TatD DNase domain containing 1) Predicted to enable 3'-5'-exodeoxyribonuclease activity. Predicted to be involved in DNA metabolic process and nucleic acid phosphodiester bond hydrolysis. Located in nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]
RNF139 (HGNC:17023): (ring finger protein 139) The protein encoded by this gene is a multi-membrane spanning protein containing a RING-H2 finger. This protein is located in the endoplasmic reticulum, and has been shown to possess ubiquitin ligase activity. This gene was found to be interrupted by a t(3:8) translocation in a family with hereditary renal and non-medulary thyroid cancer. Studies of the Drosophila counterpart suggested that this protein may interact with tumor suppressor protein VHL, as well as with COPS5/JAB1, a protein responsible for the degradation of tumor suppressor CDKN1B/P27KIP. [provided by RefSeq, Jul 2008]
RNF139 Gene-Disease associations (from GenCC):
  • nonpapillary renal cell carcinoma
    Inheritance: Unknown Classification: NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TATDN1NM_032026.4 linkc.794A>G p.Gln265Arg missense_variant, splice_region_variant Exon 12 of 12 ENST00000276692.11 NP_114415.1 Q6P1N9-1
RNF139NM_007218.4 linkc.*1050T>C downstream_gene_variant ENST00000303545.4 NP_009149.2 Q8WU17

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TATDN1ENST00000276692.11 linkc.794A>G p.Gln265Arg missense_variant, splice_region_variant Exon 12 of 12 1 NM_032026.4 ENSP00000276692.6 Q6P1N9-1
RNF139ENST00000303545.4 linkc.*1050T>C downstream_gene_variant 1 NM_007218.4 ENSP00000304051.4 Q8WU17

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152200
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000348
AC:
5
AN:
1435698
Hom.:
0
Cov.:
24
AF XY:
0.00000279
AC XY:
2
AN XY:
715682
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
32840
American (AMR)
AF:
0.00
AC:
0
AN:
44204
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25922
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39422
South Asian (SAS)
AF:
0.00
AC:
0
AN:
84822
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53396
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5718
European-Non Finnish (NFE)
AF:
0.00000367
AC:
4
AN:
1089956
Other (OTH)
AF:
0.0000168
AC:
1
AN:
59418
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152200
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
74354
show subpopulations
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.
African (AFR)
AF:
0.00
AC:
0
AN:
41458
American (AMR)
AF:
0.00
AC:
0
AN:
15290
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5204
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10606
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68018
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.325
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.00
Hom.:
0
Bravo
AF:
0.0000113

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
May 16, 2024
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.794A>G (p.Q265R) alteration is located in exon 12 (coding exon 12) of the TATDN1 gene. This alteration results from a A to G substitution at nucleotide position 794, causing the glutamine (Q) at amino acid position 265 to be replaced by an arginine (R). 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
Pathogenic
0.69
BayesDel_addAF
Pathogenic
0.39
D
BayesDel_noAF
Pathogenic
0.33
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.063
T;T;.;.
Eigen
Uncertain
0.46
Eigen_PC
Uncertain
0.52
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.96
D;D;T;D
M_CAP
Benign
0.0065
T
MetaRNN
Uncertain
0.74
D;D;D;D
MetaSVM
Benign
-0.57
T
MutationAssessor
Uncertain
2.1
.;M;.;.
PhyloP100
6.9
PrimateAI
Uncertain
0.61
T
PROVEAN
Uncertain
-3.6
.;D;D;D
REVEL
Uncertain
0.47
Sift
Benign
0.17
.;T;T;T
Sift4G
Benign
0.12
T;T;T;T
Polyphen
0.64, 0.83
.;P;.;P
Vest4
0.77
MutPred
0.61
.;.;.;Gain of helix (P = 0.1736);
MVP
0.49
MPC
0.073
ClinPred
0.98
D
GERP RS
5.5
Varity_R
0.85
gMVP
0.65
Mutation Taster
=32/68
disease causing

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

Other links and lift over

dbSNP: rs1008114651; hg19: chr8-125500935; API