rs779040832

Positions:

chr15-80180188-C-T

Variant summary

Our verdict is Pathogenic. Variant got 16 ACMG points: 16P and 0B. PM1PM2PP3_StrongPP5_Very_Strong

The NM_000137.4(FAH):c.1025C>T(p.Pro342Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000106 in 1,609,618 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★). Synonymous variant affecting the same amino acid position (i.e. P342P) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000010 ( 0 hom. )

Consequence

FAH
NM_000137.4 missense

Scores

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:6

Conservation

PhyloP100: 7.20

Variant links:

Genes affected

FAH (HGNC:3579): (fumarylacetoacetate hydrolase) Predicted to enable fumarylacetoacetase activity. Predicted to be involved in L-phenylalanine catabolic process; homogentisate catabolic process; and tyrosine catabolic process. Predicted to act upstream of or within arginine catabolic process. Located in extracellular exosome. Implicated in tyrosinemia type I. [provided by Alliance of Genome Resources, Apr 2022]

FAH links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 16 ACMG points.

PM1

In a hotspot region, there are 2 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 7 uncertain in NM_000137.4

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.989

PP5

Variant 15-80180188-C-T is Pathogenic according to our data. Variant chr15-80180188-C-T is described in ClinVar as [Likely_pathogenic]. Clinvar id is 551024.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
FAH	NM_000137.4 linkuse as main transcript	c.1025C>T	p.Pro342Leu	missense_variant	12/14	ENST00000561421.6
FAH	NM_001374377.1 linkuse as main transcript	c.1025C>T	p.Pro342Leu	missense_variant	13/15
FAH	NM_001374380.1 linkuse as main transcript	c.1025C>T	p.Pro342Leu	missense_variant	13/15

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
FAH	ENST00000561421.6 linkuse as main transcript	c.1025C>T	p.Pro342Leu	missense_variant	12/14	1	NM_000137.4	P1	P16930-1

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152142

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000162

AC:

AN:

247034

Hom.:

AF XY:

0.0000149

AC XY:

AN XY:

134056

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000289

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000265

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000103

AC:

AN:

1457358

Hom.:

Cov.:

AF XY:

0.0000165

AC XY:

AN XY:

725216

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000108

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152260

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74448

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000193

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000688

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.0000247

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.0000593

ClinVar

Significance: Pathogenic/Likely pathogenic

Submissions summary: Pathogenic:6

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Tyrosinemia type I

Pathogenic:5

Pathogenic, no assertion criteria provided	clinical testing	Natera, Inc.	Mar 02, 2021	- -
Likely pathogenic, criteria provided, single submitter	clinical testing	Baylor Genetics	Dec 01, 2023	- -
Pathogenic, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Sep 24, 2023	This sequence change replaces proline, which is neutral and non-polar, with leucine, which is neutral and non-polar, at codon 342 of the FAH protein (p.Pro342Leu). This variant is present in population databases (rs779040832, gnomAD 0.003%). This missense change has been observed in individual(s) with tyrosinemia type 1 (PMID: 8005583, 8829657, 9633815, 30414057). ClinVar contains an entry for this variant (Variation ID: 551024). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) has been performed at Invitae for this missense variant, however the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on FAH protein function. Experimental studies have shown that this missense change affects FAH function (PMID: 8005583). For these reasons, this variant has been classified as Pathogenic. -
Pathogenic, criteria provided, single submitter	clinical testing	Genome-Nilou Lab	Jul 22, 2021	- -
Pathogenic, criteria provided, single submitter	clinical testing	Counsyl	Mar 07, 2017	- -

not provided

Pathogenic:1

Pathogenic, criteria provided, single submitter

clinical testing

CeGaT Center for Human Genetics Tuebingen

Jun 01, 2018

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.25

BayesDel_addAF

Pathogenic

0.49

BayesDel_noAF

Pathogenic

0.55

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.97

D;D;D

Eigen

Uncertain

0.63

Eigen_PC

Uncertain

0.43

FATHMM_MKL

Pathogenic

0.97

LIST_S2

Pathogenic

1.0

.;.;D

M_CAP

Pathogenic

0.54

MetaRNN

Pathogenic

0.99

D;D;D

MetaSVM

Pathogenic

1.1

MutationAssessor

Pathogenic

4.4

H;H;H

MutationTaster

Benign

1.0

D;D;D;D

PrimateAI

Uncertain

0.62

PROVEAN

Pathogenic

-7.0

D;D;D

REVEL

Pathogenic

0.85

Sift

Benign

0.12

T;T;T

Sift4G

Uncertain

0.048

D;D;D

Polyphen

1.0

D;D;D

Vest4

0.92

MutPred

0.81

Gain of sheet (P = 0.0221);Gain of sheet (P = 0.0221);Gain of sheet (P = 0.0221);

MVP

0.96

MPC

0.82

ClinPred

0.92

GERP RS

4.5

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.80

gMVP

0.87

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over