rs769550316

Variant names:

• chr15-80173016-C-A
• rs769550316
• NM_000137.4:c.709C>A

Your query was ambiguous. Multiple possible variants found:

• chr15-80173016-C-A
• chr15-80173016-C-T

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 2P and 7B. PM2 BP4_Strong BP6_Moderate BP7

The NM_000137.4(FAH):​c.709C>A​(p.Arg237Arg) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,461,892 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 1/1 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★).

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 0.0000027 (0 hom.)
• Consequence: FAH NM_000137.4 splice_region, synonymous
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: 1.98
• Publications: 0 publications found

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: Ambry Genetics, Myriad Women’s Health, G2P, Labcorp Genetics (formerly Invitae), Orphanet, ClinGen, Laboratory for Molecular Medicine

ACMG classification

Our verdict: Likely_benign. The variant received -5 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.55).
• BP6: Variant 15-80173016-C-A is Benign according to our data. Variant chr15-80173016-C-A is described in ClinVar as Likely_benign. ClinVar VariationId is 2963252.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=1.98 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000137.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FAH	NM_000137.4	MANE Select	c.709C>A	p.Arg237Arg	splice_region synonymous	Exon 9 of 14	NP_000128.1	A0A384P5L6
	FAH	NM_001374377.1		c.709C>A	p.Arg237Arg	splice_region synonymous	Exon 10 of 15	NP_001361306.1	A0A384P5L6
	FAH	NM_001374380.1		c.709C>A	p.Arg237Arg	splice_region synonymous	Exon 10 of 15	NP_001361309.1	A0A384P5L6

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FAH	ENST00000561421.6	TSL:1 MANE Select	c.709C>A	p.Arg237Arg	splice_region synonymous	Exon 9 of 14	ENSP00000453347.2	P16930-1
	FAH	ENST00000539156.5	TSL:1	n.2737C>A		splice_region non_coding_transcript_exon	Exon 8 of 13
	FAH	ENST00000874657.1		c.811C>A	p.Arg271Arg	splice_region synonymous	Exon 11 of 16	ENSP00000544716.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 0.00000274 AC: 4 AN: 1461892 Hom.: 0 Cov.: 32 AF XY: 0.00000413 AC XY: 3 AN XY: 727248

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53418

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00000360 AC: 4 AN: 1112012

Other (OTH) AF: 0.00 AC: 0 AN: 60396

GnomAD4 genome Cov.: 33

ClinVar

ClinVar submissions

Significance: Likely benign

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	-	1	Tyrosinemia type I (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.55
CADD	Benign	13
DANN	Benign	0.53
PhyloP100		2.0
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.020		Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Other links and lift over

dbSNP: rs769550316; hg19: chr15-80465358;