Genetic Variant FSHR:p.Thr449Pro (chr2-48963476-T-G) – ACMG Classification: Likely_pathogenic (7 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 7 ACMG points: 7P and 0B. PM2PM5PP2PP3_Moderate

The NM_000145.4(FSHR):c.1345A>C(p.Thr449Pro) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,816 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. T449A) has been classified as Pathogenic.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

FSHR
NM_000145.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.01

Publications

0 publications found

Variant links:

Genes affected

FSHR (HGNC:3969): (follicle stimulating hormone receptor) The protein encoded by this gene belongs to family 1 of G-protein coupled receptors. It is the receptor for follicle stimulating hormone and functions in gonad development. Mutations in this gene cause ovarian dysgenesis type 1, and also ovarian hyperstimulation syndrome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Mar 2010]

FSHR Gene-Disease associations (from GenCC):

ovarian hyperstimulation syndrome
Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
ovarian dysgenesis 1
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
46 XX gonadal dysgenesis
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

FSHR links:

ENSG00000282890 (HGNC:58158):

ENSG00000282890 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 7 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PM5

Other missense variant is known to change same aminoacid residue: Variant chr2-48963476-T-C is described in ClinVar as Pathogenic. ClinVar VariationId is 16252.Status of the report is no_assertion_criteria_provided, 0 stars.

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 23 curated pathogenic missense variants (we use a threshold of 10). The gene has 4 curated benign missense variants. Gene score misZ: -0.79874 (below the threshold of 3.09). Trascript score misZ: -0.97417 (below the threshold of 3.09). GenCC associations: The gene is linked to ovarian hyperstimulation syndrome, ovarian dysgenesis 1, 46 XX gonadal dysgenesis.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.923

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FSHR	NM_000145.4 link	c.1345A>C	p.Thr449Pro	missense_variant	Exon 10 of 10	ENST00000406846.7	NP_000136.2	P23945A0A1D5RMN4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
FSHR	ENST00000406846.7 link	c.1345A>C	p.Thr449Pro	missense_variant	Exon 10 of 10	1	NM_000145.4	ENSP00000384708.2	A0A1D5RMN4
FSHR	ENST00000304421.8 link	c.1267A>C	p.Thr423Pro	missense_variant	Exon 9 of 9	1		ENSP00000306780.4	P23945
ENSG00000282890	ENST00000634588.1 link	n.492+17071T>G		intron_variant	Intron 2 of 4	5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461816

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727200

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39690

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111958

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.26

BayesDel_addAF

Pathogenic

0.39

BayesDel_noAF

Pathogenic

0.32

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

Eigen

Pathogenic

0.74

Eigen_PC

Pathogenic

0.71

FATHMM_MKL

Uncertain

0.96

LIST_S2

Uncertain

0.96

D;.

M_CAP

Uncertain

0.19

MetaRNN

Pathogenic

0.92

D;D

MetaSVM

Uncertain

0.58

PhyloP100

5.0

PrimateAI

Uncertain

0.77

PROVEAN

Pathogenic

-4.7

D;D

REVEL

Pathogenic

0.83

Sift

Uncertain

0.0010

D;D

Sift4G

Pathogenic

0.0010

D;D

Vest4

0.74

MutPred

0.82

Loss of helix (P = 0.2271);.;

MVP

1.0

MPC

0.21

ClinPred

1.0

GERP RS

5.6

gMVP

0.95

Mutation Taster

=11/89

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