Genetic Variant FLRT1:p.Asp175Tyr (chr11-64116790-G-T) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_013280.5(FLRT1):c.523G>T(p.Asp175Tyr) variant causes a missense change. The variant allele was found at a frequency of 0.00000274 in 1,461,210 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D175N) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

FLRT1
NM_013280.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.76

Publications

0 publications found

Variant links:

Genes affected

FLRT1 (HGNC:3760): (fibronectin leucine rich transmembrane protein 1) This gene encodes a member of the fibronectin leucine rich transmembrane protein (FLRT) family. The family members may function in cell adhesion and/or receptor signalling. Their protein structures resemble small leucine-rich proteoglycans found in the extracellular matrix. The encoded protein shares sequence similarity with two other family members, FLRT2 and FLRT3. This gene is expressed in kidney and brain. [provided by RefSeq, Jul 2008]

FLRT1 links:

MACROD1 (HGNC:29598): (mono-ADP ribosylhydrolase 1) Enables ADP-ribosylglutamate hydrolase activity and deacetylase activity. Involved in cellular response to DNA damage stimulus; peptidyl-glutamate ADP-deribosylation; and purine nucleoside metabolic process. Located in nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

MACROD1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.766

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FLRT1	NM_013280.5 link	c.523G>T	p.Asp175Tyr	missense_variant	Exon 3 of 3	ENST00000682287.1	NP_037412.2
MACROD1	NM_014067.4 link	c.517+34449C>A		intron_variant	Intron 3 of 10	ENST00000255681.7	NP_054786.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FLRT1	ENST00000682287.1 link	c.523G>T	p.Asp175Tyr	missense_variant	Exon 3 of 3		NM_013280.5	ENSP00000507207.1
MACROD1	ENST00000255681.7 link	c.517+34449C>A		intron_variant	Intron 3 of 10	1	NM_014067.4	ENSP00000255681.6

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000274

AC:

AN:

1461210

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

726930

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52752

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1112008

Other (OTH)

AF:

0.00

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.412

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

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.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.29

BayesDel_addAF

Pathogenic

0.28

BayesDel_noAF

Pathogenic

0.17

CADD

Uncertain

(source)

DANN

Uncertain

0.99

Eigen

Uncertain

0.62

Eigen_PC

Uncertain

0.64

FATHMM_MKL

Uncertain

0.97

M_CAP

Benign

0.042

MetaRNN

Pathogenic

0.77

MetaSVM

Benign

-0.63

PhyloP100

6.8

PrimateAI

Uncertain

0.55

PROVEAN

Uncertain

-3.3

REVEL

Uncertain

0.35

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.0060

Vest4

0.80

ClinPred

0.98

GERP RS

4.6

gMVP

0.66

Mutation Taster

=67/33

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