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chr22-37011290-T-G

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_003312.6(TST):ā€‹c.631A>Cā€‹(p.Met211Leu) variant causes a missense change. The variant allele was found at a frequency of 0.0000552 in 1,613,480 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.00014 ( 0 hom., cov: 33)
Exomes š‘“: 0.000046 ( 0 hom. )

Consequence

TST
NM_003312.6 missense

Scores

2
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.56
Variant links:
Genes affected
TST (HGNC:12388): (thiosulfate sulfurtransferase) This is one of two neighboring genes encoding similar proteins that each contain two rhodanese domains. The encoded protein is localized to the mitochondria and catalyzes the conversion of thiosulfate and cyanide to thiocyanate and sulfite. In addition, the protein interacts with 5S ribosomal RNA and facilitates its import into the mitochondria. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2012]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.051662534).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TSTNM_003312.6 linkuse as main transcriptc.631A>C p.Met211Leu missense_variant 3/3 ENST00000249042.8
TSTNM_001270483.1 linkuse as main transcriptc.631A>C p.Met211Leu missense_variant 3/3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TSTENST00000249042.8 linkuse as main transcriptc.631A>C p.Met211Leu missense_variant 3/31 NM_003312.6 P1
TSTENST00000403892.7 linkuse as main transcriptc.631A>C p.Met211Leu missense_variant 2/21 P1
TSTENST00000622841.1 linkuse as main transcriptc.631A>C p.Met211Leu missense_variant 3/35 P1

Frequencies

GnomAD3 genomes
AF:
0.000145
AC:
22
AN:
151878
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000339
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000967
Gnomad SAS
AF:
0.000415
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000107
AC:
27
AN:
251220
Hom.:
0
AF XY:
0.0000957
AC XY:
13
AN XY:
135868
show subpopulations
Gnomad AFR exome
AF:
0.000431
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000816
Gnomad SAS exome
AF:
0.0000980
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.0000458
AC:
67
AN:
1461484
Hom.:
0
Cov.:
31
AF XY:
0.0000454
AC XY:
33
AN XY:
727006
show subpopulations
Gnomad4 AFR exome
AF:
0.000179
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000453
Gnomad4 SAS exome
AF:
0.000185
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.000431
GnomAD4 genome
AF:
0.000145
AC:
22
AN:
151996
Hom.:
0
Cov.:
33
AF XY:
0.000162
AC XY:
12
AN XY:
74258
show subpopulations
Gnomad4 AFR
AF:
0.000338
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000969
Gnomad4 SAS
AF:
0.000415
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000129
Hom.:
0
Bravo
AF:
0.000102
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000988
AC:
12
Asia WGS
AF:
0.00260
AC:
9
AN:
3478
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 GeneticsJan 26, 2023The c.631A>C (p.M211L) alteration is located in exon 3 (coding exon 2) of the TST gene. This alteration results from a A to C substitution at nucleotide position 631, causing the methionine (M) at amino acid position 211 to be replaced by a leucine (L). 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
Benign
0.13
BayesDel_addAF
Benign
-0.47
T
BayesDel_noAF
Benign
-0.53
CADD
Benign
17
DANN
Benign
0.80
DEOGEN2
Benign
0.046
T;T;T
Eigen
Benign
-0.52
Eigen_PC
Benign
-0.28
FATHMM_MKL
Uncertain
0.94
D
M_CAP
Benign
0.0054
T
MetaRNN
Benign
0.052
T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
-0.99
N;N;N
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.62
T
PROVEAN
Benign
0.31
N;N;.
REVEL
Benign
0.071
Sift
Benign
0.15
T;T;.
Sift4G
Benign
0.96
T;T;T
Polyphen
0.0
B;B;B
Vest4
0.22
MutPred
0.46
Gain of helix (P = 0.1736);Gain of helix (P = 0.1736);Gain of helix (P = 0.1736);
MVP
0.14
MPC
0.40
ClinPred
0.050
T
GERP RS
4.0
Varity_R
0.13
gMVP
0.69

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: rs375907649; hg19: chr22-37407331; API