Genetic Variant TNMD:p.Thr42Ala (chrX-100585306-A-G) – ACMG Classification: Benign (-8 pts)

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_022144.3(TNMD):c.124A>G(p.Thr42Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000126 in 1,208,984 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 53 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00076 ( 0 hom., 30 hem., cov: 23)

Exomes 𝑓: 0.000061 ( 0 hom. 23 hem. )

Consequence

TNMD
NM_022144.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.56

Publications

0 publications found

Variant links:

Genes affected

TNMD (HGNC:17757): (tenomodulin) This gene encodes a protein that is related to chondromodulin-I, which is a cartilage-specific glycoprotein that functions to stimulate chondrocyte growth and to inhibit tube formation of endothelial cells. This protein is also an angiogenesis inhibitor. Genetic variation in this gene is associated with a risk for type 2 diabetes, central obesity and serum levels of systemic immune mediators in a body size-dependent manner. This gene is also a candidate gene for age-related macular degeneration, though a direct link has yet to be demonstrated. [provided by RefSeq, Sep 2009]

TNMD links:

ENSG00000301679 (HGNC:):

ENSG00000301679 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.013285071).

BS2

High Hemizygotes in GnomAd4 at 30 gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_022144.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TNMD	NM_022144.3	MANE Select	c.124A>G	p.Thr42Ala	missense	Exon 2 of 7	NP_071427.2	Q9H2S6-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TNMD	ENST00000373031.5	TSL:1 MANE Select	c.124A>G	p.Thr42Ala	missense	Exon 2 of 7	ENSP00000362122.4	Q9H2S6-1
	ENSG00000301679	ENST00000780746.1		n.77+20888T>C		intron	N/A

Frequencies

GnomAD3 genomes

AF:

0.000762

AC:

AN:

111524

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00274

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000954

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000191

AC:

AN:

182781

AF XY:

0.000163

show subpopulations

Gnomad AFR exome

AF:

0.00266

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000611

AC:

AN:

1097407

Hom.:

Cov.:

AF XY:

0.0000634

AC XY:

AN XY:

362925

show subpopulations

African (AFR)

AF:

0.00246

AC:

AN:

26380

American (AMR)

AF:

0.0000285

AC:

AN:

35141

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19368

East Asian (EAS)

AF:

0.00

AC:

AN:

30196

South Asian (SAS)

AF:

0.00

AC:

AN:

54074

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40508

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4134

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

841543

Other (OTH)

AF:

0.0000217

AC:

AN:

46063

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.466

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.000762

AC:

AN:

111577

Hom.:

Cov.:

AF XY:

0.000888

AC XY:

AN XY:

33787

show subpopulations

African (AFR)

AF:

0.00273

AC:

AN:

30739

American (AMR)

AF:

0.0000953

AC:

AN:

10492

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2644

East Asian (EAS)

AF:

0.00

AC:

AN:

3576

South Asian (SAS)

AF:

0.00

AC:

AN:

2634

European-Finnish (FIN)

AF:

0.00

AC:

AN:

5989

Middle Eastern (MID)

AF:

0.00

AC:

AN:

217

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

53080

Other (OTH)

AF:

0.00

AC:

AN:

1523

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.496

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000202

Hom.:

Bravo

AF:

0.000899

ESP6500AA

AF:

0.00130

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000231

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.074

BayesDel_addAF

Benign

-0.61

BayesDel_noAF

Benign

-0.65

CADD

Benign

(source)

DANN

Benign

0.89

DEOGEN2

Benign

0.18

FATHMM_MKL

Uncertain

0.76

LIST_S2

Benign

0.52

M_CAP

Benign

0.0044

MetaRNN

Benign

0.013

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.0

PhyloP100

2.6

PrimateAI

Uncertain

0.49

PROVEAN

Benign

0.45

REVEL

Benign

0.11

Sift

Benign

0.29

Sift4G

Benign

0.67

Polyphen

0.0010

Vest4

0.21

MVP

0.25

MPC

0.28

ClinPred

0.019

GERP RS

4.0

PromoterAI

0.0077

Neutral

(source)

Varity_R

0.078

gMVP

0.49

Mutation Taster

=93/7

polymorphism

(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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over