12-113398781-C-T

Variant summary

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

The NM_006843.3(SDS):​c.259G>A​(p.Val87Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000211 in 1,613,986 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000019 ( 0 hom. )

Consequence

SDS
NM_006843.3 missense

Scores

1
13
5

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.18
Variant links:
Genes affected
SDS (HGNC:10691): (serine dehydratase) This gene encodes one of three enzymes that are involved in metabolizing serine and glycine. L-serine dehydratase converts L-serine to pyruvate and ammonia and requires pyridoxal phosphate as a cofactor. The encoded protein can also metabolize threonine to NH4+ and 2-ketobutyrate. The encoded protein is found predominantly in the liver. [provided by RefSeq, Jul 2008]

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
SDSNM_006843.3 linkuse as main transcriptc.259G>A p.Val87Met missense_variant 4/8 ENST00000257549.9 NP_006834.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SDSENST00000257549.9 linkuse as main transcriptc.259G>A p.Val87Met missense_variant 4/82 NM_006843.3 ENSP00000257549 P1
SDSENST00000547342.1 linkuse as main transcriptc.541G>A p.Val181Met missense_variant 5/65 ENSP00000449061
SDSENST00000552280.5 linkuse as main transcriptc.153+775G>A intron_variant 3 ENSP00000449833
SDSENST00000553112.5 linkuse as main transcriptn.380G>A non_coding_transcript_exon_variant 4/62

Frequencies

GnomAD3 genomes
AF:
0.0000394
AC:
6
AN:
152252
Hom.:
0
Cov.:
32
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:
0.0000882
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000200
AC:
5
AN:
250512
Hom.:
0
AF XY:
0.0000369
AC XY:
5
AN XY:
135594
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000442
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000192
AC:
28
AN:
1461734
Hom.:
0
Cov.:
32
AF XY:
0.0000165
AC XY:
12
AN XY:
727154
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000252
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000394
AC:
6
AN:
152252
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74382
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000109
Hom.:
0
Bravo
AF:
0.0000453
ExAC
AF:
0.0000330
AC:
4
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

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 GeneticsAug 30, 2021The c.259G>A (p.V87M) alteration is located in exon 4 (coding exon 3) of the SDS gene. This alteration results from a G to A substitution at nucleotide position 259, causing the valine (V) at amino acid position 87 to be replaced by a methionine (M). 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
Uncertain
0.49
BayesDel_addAF
Uncertain
0.069
D
BayesDel_noAF
Uncertain
-0.010
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.73
D;T
Eigen
Benign
0.065
Eigen_PC
Benign
0.0096
FATHMM_MKL
Uncertain
0.90
D
LIST_S2
Uncertain
0.96
D;D
M_CAP
Uncertain
0.18
D
MetaRNN
Uncertain
0.68
D;D
MetaSVM
Uncertain
0.72
D
MutationAssessor
Benign
1.1
L;.
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.56
T
PROVEAN
Benign
-2.1
N;N
REVEL
Pathogenic
0.65
Sift
Uncertain
0.0030
D;T
Sift4G
Uncertain
0.0030
D;.
Polyphen
1.0
D;.
Vest4
0.64
MutPred
0.59
Gain of catalytic residue at T90 (P = 0);.;
MVP
0.83
MPC
0.92
ClinPred
0.62
D
GERP RS
4.0
Varity_R
0.68
gMVP
0.79

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: rs774468925; hg19: chr12-113836586; API