20-4869998-G-A

Variant summary

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

The NM_005116.6(SLC23A2):​c.1158C>T​(p.Ala386=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00226 in 1,613,662 control chromosomes in the GnomAD database, including 74 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.012 ( 31 hom., cov: 31)
Exomes 𝑓: 0.0012 ( 43 hom. )

Consequence

SLC23A2
NM_005116.6 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -8.79
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=-0.93).
BP6
Variant 20-4869998-G-A is Benign according to our data. Variant chr20-4869998-G-A is described in ClinVar as [Benign]. Clinvar id is 785650.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-8.8 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.012 (1830/152138) while in subpopulation AFR AF= 0.0413 (1713/41476). AF 95% confidence interval is 0.0397. There are 31 homozygotes in gnomad4. There are 840 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.
BS2
High AC in GnomAd4 at 1830 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SLC23A2NM_005116.6 linkuse as main transcriptc.1158C>T p.Ala386= synonymous_variant 12/17 ENST00000338244.6 NP_005107.4
SLC23A2NM_203327.2 linkuse as main transcriptc.1158C>T p.Ala386= synonymous_variant 12/17 NP_976072.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SLC23A2ENST00000338244.6 linkuse as main transcriptc.1158C>T p.Ala386= synonymous_variant 12/171 NM_005116.6 ENSP00000344322 P1Q9UGH3-1
SLC23A2ENST00000379333.5 linkuse as main transcriptc.1158C>T p.Ala386= synonymous_variant 12/171 ENSP00000368637 P1Q9UGH3-1
SLC23A2ENST00000468355.5 linkuse as main transcriptn.1524C>T non_coding_transcript_exon_variant 12/121
SLC23A2ENST00000423430.1 linkuse as main transcriptc.429C>T p.Ala143= synonymous_variant 4/85 ENSP00000396364

Frequencies

GnomAD3 genomes
AF:
0.0120
AC:
1822
AN:
152020
Hom.:
31
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0413
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00524
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:
0.000250
Gnomad OTH
AF:
0.00864
GnomAD3 exomes
AF:
0.00342
AC:
858
AN:
250710
Hom.:
25
AF XY:
0.00241
AC XY:
327
AN XY:
135522
show subpopulations
Gnomad AFR exome
AF:
0.0449
Gnomad AMR exome
AF:
0.00287
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000654
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000150
Gnomad OTH exome
AF:
0.00196
GnomAD4 exome
AF:
0.00124
AC:
1814
AN:
1461524
Hom.:
43
Cov.:
33
AF XY:
0.00105
AC XY:
767
AN XY:
727056
show subpopulations
Gnomad4 AFR exome
AF:
0.0413
Gnomad4 AMR exome
AF:
0.00324
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000174
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000774
Gnomad4 OTH exome
AF:
0.00293
GnomAD4 genome
AF:
0.0120
AC:
1830
AN:
152138
Hom.:
31
Cov.:
31
AF XY:
0.0113
AC XY:
840
AN XY:
74396
show subpopulations
Gnomad4 AFR
AF:
0.0413
Gnomad4 AMR
AF:
0.00530
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000250
Gnomad4 OTH
AF:
0.00855
Alfa
AF:
0.00579
Hom.:
9
Bravo
AF:
0.0137
Asia WGS
AF:
0.00231
AC:
8
AN:
3478
EpiCase
AF:
0.000164
EpiControl
AF:
0.000178

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 03, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.93
CADD
Benign
0.012
DANN
Benign
0.87
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: rs34460747; hg19: chr20-4850644; API