20-62956806-C-T

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 1P and 4B. PP3BS2

The NM_022082.4(SLC17A9):​c.101C>T​(p.Thr34Ile) variant causes a missense change. The variant allele was found at a frequency of 0.0000143 in 1,612,706 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 0.000066 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000089 ( 0 hom. )

Consequence

SLC17A9
NM_022082.4 missense

Scores

3
12
4

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.15

Publications

0 publications found
Variant links:
Genes affected
SLC17A9 (HGNC:16192): (solute carrier family 17 member 9) This gene encodes a member of a family of transmembrane proteins that are involved in the transport of small molecules. The encoded protein participates in the vesicular uptake, storage, and secretion of adenoside triphosphate (ATP) and other nucleotides. A mutation in this gene was found in individuals with autosomal dominant disseminated superficial actinic porokeratosis-8. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2014]
SLC17A9 Gene-Disease associations (from GenCC):
  • disseminated superficial actinic porokeratosis
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • porokeratosis 8, disseminated superficial actinic type
    Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.788
BS2
High AC in GnomAd4 at 10 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SLC17A9NM_022082.4 linkc.101C>T p.Thr34Ile missense_variant Exon 2 of 13 ENST00000370351.9 NP_071365.4 Q9BYT1-1
SLC17A9NM_001302643.2 linkc.83C>T p.Thr28Ile missense_variant Exon 3 of 14 NP_001289572.2 Q9BYT1-2H0UI90
SLC17A9XR_936601.4 linkn.223C>T non_coding_transcript_exon_variant Exon 2 of 10
SLC17A9XM_011528978.3 linkc.-234C>T upstream_gene_variant XP_011527280.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SLC17A9ENST00000370351.9 linkc.101C>T p.Thr34Ile missense_variant Exon 2 of 13 1 NM_022082.4 ENSP00000359376.4 Q9BYT1-1
SLC17A9ENST00000370349.7 linkc.83C>T p.Thr28Ile missense_variant Exon 3 of 14 1 ENSP00000359374.3 Q9BYT1-2
SLC17A9ENST00000411611.1 linkc.161C>T p.Thr54Ile missense_variant Exon 2 of 3 2 ENSP00000388215.1 Q5W197
SLC17A9ENST00000488738.5 linkn.221C>T non_coding_transcript_exon_variant Exon 2 of 11 2

Frequencies

GnomAD3 genomes
AF:
0.0000657
AC:
10
AN:
152210
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000217
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000203
AC:
5
AN:
246402
AF XY:
0.0000223
show subpopulations
Gnomad AFR exome
AF:
0.000197
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000472
Gnomad NFE exome
AF:
0.00000900
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000890
AC:
13
AN:
1460496
Hom.:
0
Cov.:
30
AF XY:
0.0000124
AC XY:
9
AN XY:
726556
show subpopulations
African (AFR)
AF:
0.000209
AC:
7
AN:
33464
American (AMR)
AF:
0.00
AC:
0
AN:
44684
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26120
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39690
South Asian (SAS)
AF:
0.0000116
AC:
1
AN:
86186
European-Finnish (FIN)
AF:
0.0000191
AC:
1
AN:
52362
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5762
European-Non Finnish (NFE)
AF:
0.00000360
AC:
4
AN:
1111866
Other (OTH)
AF:
0.00
AC:
0
AN:
60362
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.483
Heterozygous variant carriers
0
1
2
4
5
6
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.0000657
AC:
10
AN:
152210
Hom.:
0
Cov.:
33
AF XY:
0.0000538
AC XY:
4
AN XY:
74348
show subpopulations
African (AFR)
AF:
0.000217
AC:
9
AN:
41450
American (AMR)
AF:
0.00
AC:
0
AN:
15290
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.000193
AC:
1
AN:
5178
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10624
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68042
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.450
Heterozygous variant carriers
0
1
3
4
6
7
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:
0.0000642
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Jan 24, 2025
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.101C>T (p.T34I) alteration is located in exon 2 (coding exon 2) of the SLC17A9 gene. This alteration results from a C to T substitution at nucleotide position 101, causing the threonine (T) at amino acid position 34 to be replaced by an isoleucine (I). 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
0.78
BayesDel_addAF
Benign
-0.15
T
BayesDel_noAF
Benign
-0.18
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.49
T;.;.
Eigen
Uncertain
0.55
Eigen_PC
Uncertain
0.52
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Uncertain
0.94
D;D;D
M_CAP
Uncertain
0.13
D
MetaRNN
Pathogenic
0.79
D;D;D
MetaSVM
Benign
-0.47
T
MutationAssessor
Uncertain
2.2
M;.;.
PhyloP100
7.2
PrimateAI
Uncertain
0.69
T
PROVEAN
Pathogenic
-4.8
D;D;D
REVEL
Uncertain
0.34
Sift
Uncertain
0.0010
D;D;D
Sift4G
Uncertain
0.055
T;T;T
Polyphen
0.99
D;P;.
Vest4
0.88
MutPred
0.75
Loss of catalytic residue at T34 (P = 0.0414);.;.;
MVP
0.49
MPC
1.3
ClinPred
0.89
D
GERP RS
4.9
Varity_R
0.72
gMVP
0.59
Mutation Taster
=20/80
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: rs749919608; hg19: chr20-61588158; API