2-88174654-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_018271.5(THNSL2):​c.239C>A​(p.Ala80Asp) variant causes a missense change. The variant allele was found at a frequency of 0.0000151 in 1,461,776 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: not found (cov: 32)
Exomes 𝑓: 0.000015 ( 0 hom. )

Consequence

THNSL2
NM_018271.5 missense

Scores

8
7
4

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.74
Variant links:
Genes affected
THNSL2 (HGNC:25602): (threonine synthase like 2) This gene encodes a threonine synthase-like protein. A similar enzyme in mouse can catalyze the degradation of O-phospho-homoserine to a-ketobutyrate, phosphate, and ammonia. This protein also has phospho-lyase activity on both gamma and beta phosphorylated substrates. In mouse an alternatively spliced form of this protein has been shown to act as a cytokine and can induce the production of the inflammatory cytokine IL6 in osteoblasts. Alternate splicing results in multiple transcript variants. [provided by RefSeq, Sep 2011]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.871

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
THNSL2NM_018271.5 linkc.239C>A p.Ala80Asp missense_variant 3/9 ENST00000674334.2 NP_060741.3 Q86YJ6-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
THNSL2ENST00000674334.2 linkc.239C>A p.Ala80Asp missense_variant 3/9 NM_018271.5 ENSP00000501453.1 Q86YJ6-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000796
AC:
2
AN:
251278
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135796
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:
0.0000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000151
AC:
22
AN:
1461776
Hom.:
0
Cov.:
30
AF XY:
0.0000138
AC XY:
10
AN XY:
727192
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:
0.0000187
Gnomad4 NFE exome
AF:
0.0000180
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.00000911
Hom.:
0
Bravo
AF:
0.00000378
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
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsApr 09, 2024The c.239C>A (p.A80D) alteration is located in exon 2 (coding exon 2) of the THNSL2 gene. This alteration results from a C to A substitution at nucleotide position 239, causing the alanine (A) at amino acid position 80 to be replaced by an aspartic acid (D). 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
0.80
BayesDel_addAF
Pathogenic
0.27
D
BayesDel_noAF
Pathogenic
0.17
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Benign
0.29
.;.;.;T
Eigen
Pathogenic
0.81
Eigen_PC
Pathogenic
0.73
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Benign
0.85
D;D;D;D
M_CAP
Benign
0.053
D
MetaRNN
Pathogenic
0.87
D;D;D;D
MetaSVM
Uncertain
0.042
D
MutationAssessor
Pathogenic
4.2
.;.;H;H
PrimateAI
Uncertain
0.54
T
PROVEAN
Uncertain
-3.8
D;D;D;D
REVEL
Uncertain
0.54
Sift
Uncertain
0.0030
D;D;D;D
Sift4G
Uncertain
0.0040
D;D;D;D
Polyphen
1.0, 0.99, 0.96
.;D;D;D
Vest4
0.93, 0.92, 0.92
MutPred
0.74
Gain of helix (P = 0.0425);.;Gain of helix (P = 0.0425);Gain of helix (P = 0.0425);
MVP
0.35
MPC
0.54
ClinPred
0.99
D
GERP RS
4.9
Varity_R
0.95
gMVP
0.96

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: rs142704703; hg19: chr2-88474173; API