Genetic Variant TM9SF3:p.Thr157Ile (chr10-96562090-G-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PP3_ModerateBS2

The NM_020123.4(TM9SF3):c.470C>T(p.Thr157Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000192 in 1,612,600 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 13/22 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000020 ( 0 hom. )

Consequence

TM9SF3
NM_020123.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.95

Publications

0 publications found

Variant links:

Genes affected

TM9SF3 (HGNC:21529): (transmembrane 9 superfamily member 3) Predicted to be involved in protein localization to membrane. Predicted to be located in exocytic vesicle. Predicted to be active in membrane. [provided by Alliance of Genome Resources, Apr 2022]

TM9SF3 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.858

BS2

High AC in GnomAdExome4 at 29 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TM9SF3	NM_020123.4 link	c.470C>T	p.Thr157Ile	missense_variant	Exon 4 of 15	ENST00000371142.9	NP_064508.3	Q9HD45A0A024QYS2
TM9SF3	XM_011539976.3 link	c.524C>T	p.Thr175Ile	missense_variant	Exon 4 of 15		XP_011538278.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
TM9SF3	ENST00000371142.9 link	c.470C>T	p.Thr157Ile	missense_variant	Exon 4 of 15	1	NM_020123.4	ENSP00000360184.4	Q9HD45
TM9SF3	ENST00000443638.1 link	c.338C>T	p.Thr113Ile	missense_variant	Exon 4 of 7	3		ENSP00000401152.1	Q5TB53
TM9SF3	ENST00000464654.1 link	n.432C>T		non_coding_transcript_exon_variant	Exon 4 of 6	5
TM9SF3	ENST00000649367.1 link	n.808C>T		non_coding_transcript_exon_variant	Exon 4 of 15

Frequencies

GnomAD3 genomes

AF:

0.0000132

AC:

AN:

151802

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000242

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000400

AC:

AN:

250266

AF XY:

0.00000739

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000883

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000199

AC:

AN:

1460798

Hom.:

Cov.:

AF XY:

0.0000193

AC XY:

AN XY:

726730

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33414

American (AMR)

AF:

0.00

AC:

AN:

44546

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26106

East Asian (EAS)

AF:

0.00

AC:

AN:

39610

South Asian (SAS)

AF:

0.00

AC:

AN:

86132

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53328

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.0000261

AC:

AN:

1111550

Other (OTH)

AF:

0.00

AC:

AN:

60350

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.456

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000132

AC:

AN:

151802

Hom.:

Cov.:

AF XY:

0.0000270

AC XY:

AN XY:

74122

show subpopulations

African (AFR)

AF:

0.0000242

AC:

AN:

41292

American (AMR)

AF:

0.00

AC:

AN:

15236

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4808

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10520

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

67976

Other (OTH)

AF:

0.00

AC:

AN:

2082

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.0000660

Hom.:

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

Feb 22, 2023

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.470C>T (p.T157I) alteration is located in exon 4 (coding exon 4) of the TM9SF3 gene. This alteration results from a C to T substitution at nucleotide position 470, causing the threonine (T) at amino acid position 157 to be replaced by an isoleucine (I). 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

0.90

BayesDel_addAF

Pathogenic

0.32

BayesDel_noAF

Pathogenic

0.22

CADD

Pathogenic

(source)

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.29

T;T

Eigen

Pathogenic

1.1

Eigen_PC

Pathogenic

1.0

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.97

D;D

M_CAP

Uncertain

0.10

MetaRNN

Pathogenic

0.86

D;D

MetaSVM

Uncertain

-0.0095

MutationAssessor

Pathogenic

3.6

H;.

PhyloP100

9.9

PrimateAI

Pathogenic

0.87

PROVEAN

Pathogenic

-5.7

D;D

REVEL

Pathogenic

0.73

Sift

Uncertain

0.0010

D;D

Sift4G

Pathogenic

0.0010

D;.

Polyphen

1.0

D;.

Vest4

0.94

MVP

0.56

MPC

2.2

ClinPred

1.0

GERP RS

5.7

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.75

gMVP

0.90

Mutation Taster

=3/97

disease causing

(source)

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

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10-96562090-G-A

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over