dbSNP rs77092376: FARSA:p.Ala283Ala (chr19-12925167-C-T) – ACMG Classification: Benign (-14 pts)

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6BP7BS1BS2

The NM_004461.3(FARSA):c.849G>A(p.Ala283Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00159 in 1,589,218 control chromosomes in the GnomAD database, including 25 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (no stars).

Frequency

Genomes: 𝑓 0.0078 ( 15 hom., cov: 32)

Exomes 𝑓: 0.00093 ( 10 hom. )

Consequence

FARSA
NM_004461.3 synonymous

Scores

Clinical Significance

Benign no assertion criteria provided B:1

Conservation

PhyloP100: -4.04

Variant links:

Genes affected

FARSA (HGNC:3592): (phenylalanyl-tRNA synthetase subunit alpha) Aminoacyl-tRNA synthetases are a class of enzymes that charge tRNAs with their cognate amino acids. This gene encodes a product which is similar to the catalytic subunit of prokaryotic and Saccharomyces cerevisiae phenylalanyl-tRNA synthetases (PheRS). This gene product has been shown to be expressed in a tumor-selective and cell cycle stage- and differentiation-dependent manner, the first member of the tRNA synthetase gene family shown to exhibit this type of regulated expression [provided by RefSeq, Jul 2008]

FARSA links:

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.78).

BP6

Variant 19-12925167-C-T is Benign according to our data. Variant chr19-12925167-C-T is described in ClinVar as [Benign]. Clinvar id is 3044769.Status of the report is no_assertion_criteria_provided, 0 stars.

BP7

Synonymous conserved (PhyloP=-4.04 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00779 (1186/152196) while in subpopulation AFR AF= 0.0262 (1087/41522). AF 95% confidence interval is 0.0249. There are 15 homozygotes in gnomad4. There are 544 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 15 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FARSA	NM_004461.3 link	c.849G>A	p.Ala283Ala	synonymous_variant	Exon 8 of 13	ENST00000314606.9	NP_004452.1	Q9Y285-1Q6IBR2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FARSA	ENST00000314606.9 link	c.849G>A	p.Ala283Ala	synonymous_variant	Exon 8 of 13	1	NM_004461.3	ENSP00000320309.3		Q9Y285-1

Frequencies

GnomAD3 genomes

AF:

0.00777

AC:

1181

AN:

152086

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0261

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00367

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00559

Gnomad SAS

AF:

0.000414

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000103

Gnomad OTH

AF:

0.00240

GnomAD3 exomes

AF:

0.00230

AC:

480

AN:

208876

Hom.:

AF XY:

0.00165

AC XY:

186

AN XY:

112754

show subpopulations

Gnomad AFR exome

AF:

0.0263

Gnomad AMR exome

AF:

0.00124

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00625

Gnomad SAS exome

AF:

0.000111

Gnomad FIN exome

AF:

0.0000546

Gnomad NFE exome

AF:

0.0000547

Gnomad OTH exome

AF:

0.00132

GnomAD4 exome

AF:

0.000934

AC:

1342

AN:

1437022

Hom.:

Cov.:

AF XY:

0.000816

AC XY:

582

AN XY:

712898

show subpopulations

Gnomad4 AFR exome

AF:

0.0276

Gnomad4 AMR exome

AF:

0.00168

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00503

Gnomad4 SAS exome

AF:

0.000228

Gnomad4 FIN exome

AF:

0.0000192

Gnomad4 NFE exome

AF:

0.0000463

Gnomad4 OTH exome

AF:

0.00170

GnomAD4 genome

AF:

0.00779

AC:

1186

AN:

152196

Hom.:

Cov.:

AF XY:

0.00731

AC XY:

544

AN XY:

74398

show subpopulations

Gnomad4 AFR

AF:

0.0262

Gnomad4 AMR

AF:

0.00367

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00560

Gnomad4 SAS

AF:

0.000415

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000103

Gnomad4 OTH

AF:

0.00237

Alfa

AF:

0.00364

Hom.:

Bravo

AF:

0.00942

Asia WGS

AF:

0.00231

AC:

AN:

3478

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: no assertion criteria provided

LINK: link

Submissions by phenotype

FARSA-related disorder

Benign:1

Sep 19, 2019

PreventionGenetics, part of Exact Sciences

Significance: Benign

Review Status: no assertion criteria provided

Collection Method: clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.78

CADD

Benign

0.82

DANN

Benign

0.88

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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