Genetic Variant FAM43A:p.Ala185Val (chr3-194687380-C-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_153690.5(FAM43A):c.554C>T(p.Ala185Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000715 in 1,537,730 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000058 ( 0 hom. )

Consequence

FAM43A
NM_153690.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.26

Variant links:

Genes affected

FAM43A (HGNC:26888): (family with sequence similarity 43 member A)

FAM43A links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FAM43A	NM_153690.5 link	c.554C>T	p.Ala185Val	missense_variant	Exon 1 of 1	ENST00000329759.6	NP_710157.2	Q8N2R8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FAM43A	ENST00000329759.6 link	c.554C>T	p.Ala185Val	missense_variant	Exon 1 of 1	6	NM_153690.5	ENSP00000371397.1		Q8N2R8

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152266

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:

0.000385

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:

0.0000368

AC:

AN:

135700

Hom.:

AF XY:

0.0000271

AC XY:

AN XY:

73848

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000469

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000577

AC:

AN:

1385346

Hom.:

Cov.:

AF XY:

0.00000293

AC XY:

AN XY:

682940

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000168

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

9.29e-7

Gnomad4 OTH exome

AF:

0.0000173

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152384

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74520

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000386

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000151

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jan 02, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.554C>T (p.A185V) alteration is located in exon 1 (coding exon 1) of the FAM43A gene. This alteration results from a C to T substitution at nucleotide position 554, causing the alanine (A) at amino acid position 185 to be replaced by a valine (V). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.96

BayesDel_addAF

Pathogenic

0.25

BayesDel_noAF

Uncertain

0.13

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.19

Eigen

Pathogenic

0.69

Eigen_PC

Pathogenic

0.68

FATHMM_MKL

Uncertain

0.94

LIST_S2

Uncertain

0.95

M_CAP

Uncertain

0.12

MetaRNN

Uncertain

0.68

MetaSVM

Uncertain

-0.27

MutationAssessor

Benign

2.0

PrimateAI

Pathogenic

0.81

PROVEAN

Uncertain

-2.8

REVEL

Uncertain

0.41

Sift

Benign

0.033

Sift4G

Uncertain

0.011

Polyphen

1.0

Vest4

0.87

MutPred

0.45

Gain of ubiquitination at K180 (P = 0.1278);

MVP

0.59

ClinPred

0.56

GERP RS

5.1

Varity_R

0.52

gMVP

0.86

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