Genetic Variant FERMT2:p.Lys661Thr (chr14-52858438-T-G) – 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_006832.3(FERMT2):c.1982A>C(p.Lys661Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,848 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. K661R) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

FERMT2
NM_006832.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 8.02

Publications

0 publications found

Variant links:

Genes affected

FERMT2 (HGNC:15767): (FERM domain containing kindlin 2) Enables several functions, including actin binding activity; phosphatidylinositol-3,4,5-trisphosphate binding activity; and type I transforming growth factor beta receptor binding activity. Involved in several processes, including cell surface receptor signaling pathway; positive regulation of cell differentiation; and positive regulation of cellular component biogenesis. Acts upstream of or within cell adhesion and protein localization to cell junction. Located in cytosol; focal adhesion; and nucleoplasm. Is extrinsic component of cytoplasmic side of plasma membrane. Part of adherens junction and plasma membrane. Biomarker of acute myeloid leukemia. [provided by Alliance of Genome Resources, Apr 2022]

FERMT2 links:

ENSG00000285664 (HGNC:):

ENSG00000285664 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, 0.79

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FERMT2	NM_006832.3 link	c.1982A>C	p.Lys661Thr	missense_variant	Exon 15 of 15	ENST00000341590.8	NP_006823.1	Q96AC1-1A0A024R687

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FERMT2	ENST00000341590.8 link	c.1982A>C	p.Lys661Thr	missense_variant	Exon 15 of 15	1	NM_006832.3	ENSP00000340391.3		Q96AC1-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461848

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727216

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

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:

1111978

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.82

BayesDel_addAF

Pathogenic

0.16

BayesDel_noAF

Uncertain

-0.010

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.65

D;D;.;.;.

Eigen

Pathogenic

0.93

Eigen_PC

Pathogenic

0.90

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.91

.;D;D;D;.

M_CAP

Benign

0.069

MetaRNN

Pathogenic

0.79

D;D;D;D;D

MetaSVM

Benign

-0.42

MutationAssessor

Uncertain

2.7

M;M;.;.;.

PhyloP100

8.0

PrimateAI

Pathogenic

0.88

PROVEAN

Pathogenic

-4.9

D;D;D;D;D

REVEL

Uncertain

0.54

Sift

Uncertain

0.0030

D;D;D;D;D

Sift4G

Uncertain

0.0030

D;D;D;D;D

Polyphen

1.0

D;D;.;.;.

Vest4

0.79

MutPred

0.42

Loss of ubiquitination at K661 (P = 0.0081);Loss of ubiquitination at K661 (P = 0.0081);.;.;.;

MVP

0.53

MPC

1.3

ClinPred

0.99

GERP RS

6.2

Varity_R

0.70

gMVP

0.82

Mutation Taster

=9/91

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over