Genetic Variant FCMR:p.Gly282Arg (chr1-206909735-C-T) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_ModerateBP6_ModerateBP7

The NM_005449.5(FCMR):c.975G>A(p.Ala325Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000687 in 1,454,638 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000015 ( 0 hom. )

Consequence

FCMR
NM_005449.5 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -3.34

Publications

0 publications found

Variant links:

Genes affected

FCMR (HGNC:14315): (Fc mu receptor) Fc receptors specifically bind to the Fc region of immunoglobulins (Igs) to mediate the unique functions of each Ig class. FAIM3 encodes an Fc receptor for IgM (see MIM 147020) (Kubagawa et al., 2009 [PubMed 19858324]; Shima et al., 2010 [PubMed 20042454]).[supplied by OMIM, Jul 2010]

FCMR links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.085490495).

BP6

Variant 1-206909735-C-T is Benign according to our data. Variant chr1-206909735-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3094148.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=-3.34 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FCMR	NM_005449.5 link	c.975G>A	p.Ala325Ala	synonymous_variant	Exon 6 of 8	ENST00000367091.8	NP_005440.1	O60667-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FCMR	ENST00000367091.8 link	c.975G>A	p.Ala325Ala	synonymous_variant	Exon 6 of 8	1	NM_005449.5	ENSP00000356058.3		O60667-1

Frequencies

GnomAD3 genomes

AF:

0.0000526

AC:

AN:

152160

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000145

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000131

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:

0.00

AC:

AN:

55366

AF XY:

0.00

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000154

AC:

AN:

1302478

Hom.:

Cov.:

AF XY:

0.00000312

AC XY:

AN XY:

640816

show subpopulations

African (AFR)

AF:

0.0000788

AC:

AN:

25386

American (AMR)

AF:

0.00

AC:

AN:

20032

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

21822

East Asian (EAS)

AF:

0.00

AC:

AN:

28304

South Asian (SAS)

AF:

0.00

AC:

AN:

68756

European-Finnish (FIN)

AF:

0.00

AC:

AN:

32786

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4520

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1046812

Other (OTH)

AF:

0.00

AC:

AN:

54060

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.550

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000526

AC:

AN:

152160

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74326

show subpopulations

African (AFR)

AF:

0.000145

AC:

AN:

41454

American (AMR)

AF:

0.000131

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5168

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68008

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.000125

ExAC

AF:

0.0000115

AC:

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Benign:1

Jan 23, 2024

Ambry Genetics

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Benign

-0.48

BayesDel_noAF

Benign

-0.56

CADD

Benign

2.9

(source)

DANN

Benign

0.94

Eigen

Benign

-1.1

Eigen_PC

Benign

-1.4

FATHMM_MKL

Benign

0.030

LIST_S2

Benign

0.45

M_CAP

Benign

0.013

MetaRNN

Benign

0.085

MetaSVM

Benign

-0.93

PhyloP100

-3.3

Sift4G

Benign

0.096

Vest4

0.11

MVP

0.14

ClinPred

0.13

GERP RS

-8.1

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

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1-206909735-C-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over