Genetic Variant FAH:n.13C>G (chr15-80152992-C-G) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The ENST00000682012.1(FAH):n.13C>G variant causes a non coding transcript exon change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000954 in 1,466,930 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000046 ( 0 hom. )

Consequence

FAH
ENST00000682012.1 non_coding_transcript_exon

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.914

Publications

0 publications found

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 Gene-Disease associations (from GenCC):

tyrosinemia type I
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Myriad Women’s Health, Laboratory for Molecular Medicine, G2P, Orphanet, Ambry Genetics, ClinGen

FAH links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.81).

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
FAH	NM_001374377.1 link	c.-29-34C>G	intron_variant	Intron 1 of 14		NP_001361306.1
FAH	NM_001374380.1 link	c.-29-34C>G	intron_variant	Intron 1 of 14		NP_001361309.1
FAH	NM_000137.4 link	c.-63C>G	upstream_gene_variant		ENST00000561421.6	NP_000128.1	P16930-1A0A384P5L6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FAH	ENST00000561421.6 link	c.-63C>G		upstream_gene_variant		1	NM_000137.4	ENSP00000453347.2		P16930-1

Frequencies

GnomAD3 genomes

AF:

0.0000526

AC:

AN:

152162

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000169

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

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

GnomAD4 exome

AF:

0.00000456

AC:

AN:

1314768

Hom.:

Cov.:

AF XY:

0.00000302

AC XY:

AN XY:

662076

show subpopulations

African (AFR)

AF:

0.0000974

AC:

AN:

30796

American (AMR)

AF:

0.00

AC:

AN:

44492

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25256

East Asian (EAS)

AF:

0.00

AC:

AN:

38994

South Asian (SAS)

AF:

0.0000120

AC:

AN:

83548

European-Finnish (FIN)

AF:

0.0000460

AC:

AN:

43514

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5498

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

986910

Other (OTH)

AF:

0.00

AC:

AN:

55760

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

AF:

0.0000526

AC:

AN:

152162

Hom.:

Cov.:

AF XY:

0.0000673

AC XY:

AN XY:

74320

show subpopulations

African (AFR)

AF:

0.000169

AC:

AN:

41460

American (AMR)

AF:

0.00

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5170

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68008

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000340

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.81

CADD

Benign

1.3

(source)

DANN

Benign

0.48

PhyloP100

-0.91

PromoterAI

-0.095

Neutral

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.070

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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15-80152992-C-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over