dbSNP rs35030851: TEK:p.Val600Leu (chr9-27197488-G-C) – ACMG Classification: Likely_benign (-6 pts)

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_000459.5(TEK):c.1798G>C(p.Val600Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000041 in 1,461,842 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Benign in ClinVar.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0000041 ( 1 hom. )

Consequence

TEK
NM_000459.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.28

Publications

26 publications found

Variant links:

Genes affected

TEK (HGNC:11724): (TEK receptor tyrosine kinase) This gene encodes a receptor that belongs to the protein tyrosine kinase Tie2 family. The encoded protein possesses a unique extracellular region that contains two immunoglobulin-like domains, three epidermal growth factor (EGF)-like domains and three fibronectin type III repeats. The ligand angiopoietin-1 binds to this receptor and mediates a signaling pathway that functions in embryonic vascular development. Mutations in this gene are associated with inherited venous malformations of the skin and mucous membranes. Alternative splicing results in multiple transcript variants. Additional alternatively spliced transcript variants of this gene have been described, but their full-length nature is not known. [provided by RefSeq, Feb 2014]

TEK Gene-Disease associations (from GenCC):

multiple cutaneous and mucosal venous malformations
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Orphanet, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
primary congenital glaucoma
Inheritance: AD Classification: DEFINITIVE Submitted by: G2P
TEK-related primary glaucoma
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
glaucoma 3, primary congenital, E
Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
congenital glaucoma
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

TEK links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.16250804).

BS2

High AC in GnomAdExome4 at 6 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TEK	NM_000459.5 link	c.1798G>C	p.Val600Leu	missense_variant	Exon 12 of 23	ENST00000380036.10	NP_000450.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TEK	ENST00000380036.10 link	c.1798G>C	p.Val600Leu	missense_variant	Exon 12 of 23	1	NM_000459.5	ENSP00000369375.4		Q02763-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251234

AF XY:

0.00000737

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000410

AC:

AN:

1461842

Hom.:

Cov.:

AF XY:

0.00000550

AC XY:

AN XY:

727218

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39690

South Asian (SAS)

AF:

0.0000580

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111976

Other (OTH)

AF:

0.00

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.538

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

Cov.:

Alfa

AF:

0.00

Hom.:

455

Bravo

AF:

0.00000378

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.16

BayesDel_addAF

Benign

-0.19

BayesDel_noAF

Benign

-0.42

CADD

Benign

(source)

DANN

Benign

0.96

DEOGEN2

Benign

0.24

.;T;.;.

Eigen

Benign

-0.42

Eigen_PC

Benign

-0.24

FATHMM_MKL

Benign

0.43

LIST_S2

Benign

0.85

T;T;T;T

M_CAP

Benign

0.0042

MetaRNN

Benign

0.16

T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.55

.;N;.;.

PhyloP100

1.3

PrimateAI

Uncertain

0.67

PROVEAN

Benign

-0.66

N;N;N;N

REVEL

Benign

0.063

Sift

Benign

0.26

T;T;T;T

Sift4G

Benign

0.68

T;T;T;T

Polyphen

0.0010

.;B;.;.

Vest4

0.17

MutPred

0.64

.;Gain of sheet (P = 0.0827);.;.;

MVP

0.45

MPC

0.21

ClinPred

0.041

GERP RS

4.6

Varity_R

0.12

gMVP

0.34

Mutation Taster

=98/2

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over