Variant 17-28758496-G-C details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001077498.3(FAM222B):c.1463C>G(p.Ala488Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,460,078 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

FAM222B
NM_001077498.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.78

Variant links:

Genes affected

FAM222B (HGNC:25563): (family with sequence similarity 222 member B) Located in nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

FAM222B links:

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.06144604).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
FAM222B	NM_001077498.3 linkuse as main transcript	c.1463C>G	p.Ala488Gly	missense_variant	3/3	ENST00000581407.6	NP_001070966.1	Q8WU58A0A024QZ60B3KQ88

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
FAM222B	ENST00000581407.6 linkuse as main transcript	c.1463C>G	p.Ala488Gly	missense_variant	3/3	1	NM_001077498.3	ENSP00000462419.1		Q8WU58

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000405

AC:

AN:

246908

Hom.:

AF XY:

0.00

AC XY:

AN XY:

134070

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000893

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1460078

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726350

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

8.99e-7

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000508

Hom.:

Bravo

AF:

0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jun 30, 2024

The c.1463C>G (p.A488G) alteration is located in exon 4 (coding exon 2) of the FAM222B gene. This alteration results from a C to G substitution at nucleotide position 1463, causing the alanine (A) at amino acid position 488 to be replaced by a glycine (G). 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

Benign

0.074

BayesDel_addAF

Benign

-0.22

BayesDel_noAF

Benign

-0.56

CADD

Benign

DANN

Benign

0.22

DEOGEN2

Benign

0.011

.;T;T

Eigen

Benign

-0.78

Eigen_PC

Benign

-0.63

FATHMM_MKL

Uncertain

0.77

LIST_S2

Benign

0.53

T;.;T

M_CAP

Benign

0.0041

MetaRNN

Benign

0.061

T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.49

.;N;N

PrimateAI

Uncertain

0.56

PROVEAN

Benign

-0.35

.;.;N

REVEL

Benign

0.063

Sift

Benign

0.55

.;.;T

Sift4G

Benign

0.54

T;T;T

Polyphen

0.0

.;B;B

Vest4

0.15

MutPred

0.15

.;Gain of catalytic residue at A488 (P = 0.0869);Gain of catalytic residue at A488 (P = 0.0869);

MVP

0.043

MPC

0.11

ClinPred

0.022

GERP RS

2.6

Varity_R

0.049

gMVP

0.19

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