chr1-155196076-A-G

Variant summary

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

The NM_007112.5(THBS3):ā€‹c.2723T>Cā€‹(p.Ile908Thr) variant causes a missense change. The variant allele was found at a frequency of 0.0000291 in 1,614,062 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.000072 ( 0 hom., cov: 32)
Exomes š‘“: 0.000025 ( 0 hom. )

Consequence

THBS3
NM_007112.5 missense

Scores

3
13
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.89
Variant links:
Genes affected
THBS3 (HGNC:11787): (thrombospondin 3) The protein encoded by this gene belongs to the thrombospondin family. Thrombospondin family members are adhesive glycoproteins that mediate cell-to-cell and cell-to-matrix interactions. This protein forms a pentameric molecule linked by a single disulfide bond. This gene shares a common promoter with metaxin 1. Alternate splicing results in coding and non-coding transcript variants. [provided by RefSeq, Nov 2011]
THBS3-AS1 (HGNC:40582): (THBS3 antisense RNA 1)

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 UniProt
THBS3NM_007112.5 linkuse as main transcriptc.2723T>C p.Ile908Thr missense_variant 22/23 ENST00000368378.7
THBS3-AS1NR_183238.1 linkuse as main transcriptn.376+704A>G intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
THBS3ENST00000368378.7 linkuse as main transcriptc.2723T>C p.Ile908Thr missense_variant 22/231 NM_007112.5 P3P49746-1
THBS3-AS1ENST00000685687.1 linkuse as main transcriptn.372+708A>G intron_variant, non_coding_transcript_variant

Frequencies

GnomAD3 genomes
AF:
0.0000723
AC:
11
AN:
152200
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000965
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00144
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000596
AC:
15
AN:
251480
Hom.:
0
AF XY:
0.0000441
AC XY:
6
AN XY:
135916
show subpopulations
Gnomad AFR exome
AF:
0.000185
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.000595
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000352
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000246
AC:
36
AN:
1461862
Hom.:
0
Cov.:
31
AF XY:
0.0000248
AC XY:
18
AN XY:
727226
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.000650
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000989
Gnomad4 OTH exome
AF:
0.0000828
GnomAD4 genome
AF:
0.0000723
AC:
11
AN:
152200
Hom.:
0
Cov.:
32
AF XY:
0.0000672
AC XY:
5
AN XY:
74376
show subpopulations
Gnomad4 AFR
AF:
0.0000965
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00144
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000823
Hom.:
0
Bravo
AF:
0.0000718
ESP6500AA
AF:
0.000454
AC:
2
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000659
AC:
8
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 GeneticsJul 11, 2023The c.2723T>C (p.I908T) alteration is located in exon 22 (coding exon 22) of the THBS3 gene. This alteration results from a T to C substitution at nucleotide position 2723, causing the isoleucine (I) at amino acid position 908 to be replaced by a threonine (T). 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
0.18
BayesDel_addAF
Uncertain
0.058
T
BayesDel_noAF
Uncertain
0.12
CADD
Pathogenic
27
DANN
Uncertain
1.0
DEOGEN2
Pathogenic
0.90
D;.;.;.
Eigen
Uncertain
0.50
Eigen_PC
Uncertain
0.44
FATHMM_MKL
Uncertain
0.86
D
LIST_S2
Uncertain
0.91
D;D;D;D
M_CAP
Pathogenic
0.49
D
MetaRNN
Uncertain
0.70
D;D;D;D
MetaSVM
Uncertain
0.55
D
MutationAssessor
Uncertain
2.2
M;.;.;.
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Uncertain
0.74
T
PROVEAN
Uncertain
-3.6
D;.;D;D
REVEL
Pathogenic
0.87
Sift
Uncertain
0.012
D;.;D;D
Sift4G
Benign
0.088
T;T;T;D
Polyphen
0.98
D;.;.;.
Vest4
0.75
MVP
0.74
MPC
1.2
ClinPred
0.41
T
GERP RS
3.5
Varity_R
0.41
gMVP
0.73

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: rs374746868; hg19: chr1-155165867; API