Genetic Variant FAM47B:p.Ala88Val (chrX-34943094-C-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_152631.3(FAM47B):c.263C>T(p.Ala88Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000331 in 1,210,183 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 1 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000018 ( 0 hom., 0 hem., cov: 23)

Exomes 𝑓: 0.0000018 ( 0 hom. 1 hem. )

Consequence

FAM47B
NM_152631.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.88

Publications

0 publications found

Variant links:

Genes affected

FAM47B (HGNC:26659): (family with sequence similarity 47 member B)

FAM47B links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.10544714).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_152631.3. 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
	FAM47B	NM_152631.3	MANE Select	c.263C>T	p.Ala88Val	missense	Exon 1 of 1	NP_689844.2	Q8NA70

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FAM47B	ENST00000329357.6	TSL:6 MANE Select	c.263C>T	p.Ala88Val	missense	Exon 1 of 1	ENSP00000328307.5	Q8NA70

Frequencies

GnomAD3 genomes

AF:

0.0000179

AC:

AN:

111978

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000650

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000545

AC:

AN:

183486

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.0000760

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS 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:

0.00000182

AC:

AN:

1098205

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

363581

show subpopulations

African (AFR)

AF:

0.0000379

AC:

AN:

26396

American (AMR)

AF:

0.00

AC:

AN:

35202

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19384

East Asian (EAS)

AF:

0.00

AC:

AN:

30206

South Asian (SAS)

AF:

0.00

AC:

AN:

54145

European-Finnish (FIN)

AF:

0.00

AC:

AN:

40533

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4133

European-Non Finnish (NFE)

AF:

0.00000119

AC:

AN:

842115

Other (OTH)

AF:

0.00

AC:

AN:

46091

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Hom

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000179

AC:

AN:

111978

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

34124

show subpopulations

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.0000650

AC:

AN:

30785

American (AMR)

AF:

0.00

AC:

AN:

10609

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2655

East Asian (EAS)

AF:

0.00

AC:

AN:

3537

South Asian (SAS)

AF:

0.00

AC:

AN:

2650

European-Finnish (FIN)

AF:

0.00

AC:

AN:

6119

Middle Eastern (MID)

AF:

0.00

AC:

AN:

240

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

53188

Other (OTH)

AF:

0.00

AC:

AN:

1509

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.0385499), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.375

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ESP6500AA

AF:

0.000261

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.00000824

AC:

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.19

BayesDel_addAF

Benign

-0.63

BayesDel_noAF

Benign

-0.96

CADD

Benign

6.0

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.045

FATHMM_MKL

Benign

0.014

LIST_S2

Benign

0.54

M_CAP

Benign

0.0016

MetaRNN

Benign

0.11

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.4

PhyloP100

1.9

PrimateAI

Benign

0.40

PROVEAN

Uncertain

-2.8

REVEL

Benign

0.080

Sift

Benign

0.21

Sift4G

Benign

0.088

Polyphen

0.78

Vest4

0.060

MVP

0.14

MPC

0.51

ClinPred

0.23

GERP RS

0.83

PromoterAI

-0.038

Neutral

(source)

Varity_R

0.10

gMVP

0.032

Mutation Taster

=97/3

polymorphism

(source)

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over