X-1294349-A-G

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 1P and 4B. PP3BS2

The NM_172245.4(CSF2RA):c.668A>G(p.Asn223Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000151 in 1,461,470 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 14 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000015 ( 0 hom. 14 hem. )

Consequence

CSF2RA
NM_172245.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.13

Publications

0 publications found

Variant links:

Genes affected

CSF2RA (HGNC:2435): (colony stimulating factor 2 receptor subunit alpha) The protein encoded by this gene is the alpha subunit of the heterodimeric receptor for colony stimulating factor 2, a cytokine which controls the production, differentiation, and function of granulocytes and macrophages. The encoded protein is a member of the cytokine family of receptors. This gene is found in the pseudoautosomal region (PAR) of the X and Y chromosomes. Multiple transcript variants encoding different isoforms have been found for this gene, with some of the isoforms being membrane-bound and others being soluble. [provided by RefSeq, Jul 2008]

CSF2RA Gene-Disease associations (from GenCC):

surfactant metabolism dysfunction, pulmonary, 4
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
hereditary pulmonary alveolar proteinosis
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

CSF2RA links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PP3

Splicing predictors support a deleterious effect. Scorers claiming Pathogenic: max_spliceai. No scorers claiming Uncertain. No scorers claiming Benign.

BS2

High Hemizygotes in GnomAdExome4 at 14 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CSF2RA	NM_172245.4 link	c.668A>G	p.Asn223Ser	missense_variant	Exon 8 of 13	ENST00000381529.9	NP_758448.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CSF2RA	ENST00000381529.9 link	c.668A>G	p.Asn223Ser	missense_variant	Exon 8 of 13	1	NM_172245.4	ENSP00000370940.3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000358

AC:

AN:

251178

AF XY:

0.0000221

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000793

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000151

AC:

AN:

1461470

Hom.:

Cov.:

AF XY:

0.0000193

AC XY:

AN XY:

727056

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33468

American (AMR)

AF:

0.00

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86236

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5604

European-Non Finnish (NFE)

AF:

0.0000189

AC:

AN:

1111838

Other (OTH)

AF:

0.0000166

AC:

AN:

60362

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.482

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

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

Cov.:

Bravo

AF:

0.00000378

ExAC

AF:

0.0000576

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.000119

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Surfactant metabolism dysfunction, pulmonary, 4

Uncertain:1

Mar 04, 2023

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This sequence change replaces asparagine, which is neutral and polar, with serine, which is neutral and polar, at codon 223 of the CSF2RA protein (p.Asn223Ser). This variant is present in population databases (no rsID available, gnomAD 0.008%). This variant has not been reported in the literature in individuals affected with CSF2RA-related conditions. ClinVar contains an entry for this variant (Variation ID: 537341). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt CSF2RA protein function. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Benign

-0.23

BayesDel_noAF

Benign

-0.38

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Uncertain

0.44

T;.;.;T;T;T;.;.;.

FATHMM_MKL

Benign

0.061

LIST_S2

Benign

0.85

.;D;D;.;T;D;D;D;D

M_CAP

Benign

0.034

MetaRNN

Benign

0.36

T;T;T;T;T;T;T;T;T

MetaSVM

Uncertain

-0.28

MutationAssessor

Uncertain

2.7

M;.;M;M;.;M;M;M;M

PhyloP100

2.1

PrimateAI

Uncertain

0.55

PROVEAN

Uncertain

-3.7

D;D;D;D;D;D;D;D;D

REVEL

Benign

0.25

Sift

Uncertain

0.011

D;D;D;D;D;D;D;D;D

Sift4G

Pathogenic

0.0

D;D;D;D;D;D;D;D;D

Polyphen

1.0

D;.;.;D;.;D;D;D;D

Vest4

0.43

MutPred

0.61

Gain of glycosylation at N223 (P = 0.0671);.;Gain of glycosylation at N223 (P = 0.0671);Gain of glycosylation at N223 (P = 0.0671);Gain of glycosylation at N223 (P = 0.0671);Gain of glycosylation at N223 (P = 0.0671);Gain of glycosylation at N223 (P = 0.0671);Gain of glycosylation at N223 (P = 0.0671);Gain of glycosylation at N223 (P = 0.0671);

MVP

0.57

MPC

0.50

ClinPred

0.52

GERP RS

1.5

Varity_R

0.42

Mutation Taster

=83/17

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.57

Details are displayed if max score is > 0.2

DS_AG_spliceai

0.57

Position offset: 1

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over