20-4912913-C-T

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_005116.6(SLC23A2):​c.174G>A​(p.Ala58=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00231 in 1,607,208 control chromosomes in the GnomAD database, including 68 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.012 ( 37 hom., cov: 30)
Exomes 𝑓: 0.0014 ( 31 hom. )

Consequence

SLC23A2
NM_005116.6 synonymous

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -2.74
Variant links:
Genes affected
SLC23A2 (HGNC:10973): (solute carrier family 23 member 2) The absorption of vitamin C into the body and its distribution to organs requires two sodium-dependent vitamin C transporters. This gene encodes one of the two required transporters and the encoded protein accounts for tissue-specific uptake of vitamin C. Previously, this gene had an official symbol of SLC23A1. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.58).
BP6
Variant 20-4912913-C-T is Benign according to our data. Variant chr20-4912913-C-T is described in ClinVar as [Benign]. Clinvar id is 791483.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-2.74 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0117 (1738/148230) while in subpopulation AFR AF= 0.0405 (1632/40316). AF 95% confidence interval is 0.0388. There are 37 homozygotes in gnomad4. There are 828 alleles in male gnomad4 subpopulation. Median coverage is 30. This position pass quality control queck.
BS2
High AC in GnomAd4 at 1738 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC23A2NM_005116.6 linkuse as main transcriptc.174G>A p.Ala58= synonymous_variant 4/17 ENST00000338244.6
SLC23A2NM_203327.2 linkuse as main transcriptc.174G>A p.Ala58= synonymous_variant 4/17

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC23A2ENST00000338244.6 linkuse as main transcriptc.174G>A p.Ala58= synonymous_variant 4/171 NM_005116.6 P1Q9UGH3-1
SLC23A2ENST00000379333.5 linkuse as main transcriptc.174G>A p.Ala58= synonymous_variant 4/171 P1Q9UGH3-1
SLC23A2ENST00000468355.5 linkuse as main transcriptn.540G>A non_coding_transcript_exon_variant 4/121

Frequencies

GnomAD3 genomes
AF:
0.0117
AC:
1737
AN:
148108
Hom.:
37
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.0406
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00459
Gnomad ASJ
AF:
0.00353
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00345
Gnomad NFE
AF:
0.000121
Gnomad OTH
AF:
0.00846
GnomAD3 exomes
AF:
0.00339
AC:
848
AN:
249964
Hom.:
10
AF XY:
0.00252
AC XY:
341
AN XY:
135110
show subpopulations
Gnomad AFR exome
AF:
0.0434
Gnomad AMR exome
AF:
0.00175
Gnomad ASJ exome
AF:
0.00568
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000131
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000168
Gnomad OTH exome
AF:
0.00115
GnomAD4 exome
AF:
0.00135
AC:
1972
AN:
1458978
Hom.:
31
Cov.:
30
AF XY:
0.00118
AC XY:
857
AN XY:
725884
show subpopulations
Gnomad4 AFR exome
AF:
0.0442
Gnomad4 AMR exome
AF:
0.00175
Gnomad4 ASJ exome
AF:
0.00479
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000128
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000104
Gnomad4 OTH exome
AF:
0.00259
GnomAD4 genome
AF:
0.0117
AC:
1738
AN:
148230
Hom.:
37
Cov.:
30
AF XY:
0.0114
AC XY:
828
AN XY:
72572
show subpopulations
Gnomad4 AFR
AF:
0.0405
Gnomad4 AMR
AF:
0.00458
Gnomad4 ASJ
AF:
0.00353
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000121
Gnomad4 OTH
AF:
0.00837
Alfa
AF:
0.00586
Hom.:
6
Bravo
AF:
0.0130
EpiCase
AF:
0.000327
EpiControl
AF:
0.000119

ClinVar

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

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeAug 16, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.58
CADD
Benign
3.5
DANN
Benign
0.92
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7

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: rs116317600; hg19: chr20-4893559; API