dbSNP rs200071635: CSF2RA:p.Arg236Gly (chrX-1294387-C-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_172245.4(CSF2RA):c.706C>G(p.Arg236Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,178 control chromosomes in the GnomAD database, with no homozygous occurrence. There are no hemizygote samples in GnomAD. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R236Q) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., 0 hem., cov: 32)

Consequence

CSF2RA
NM_172245.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.0310

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: Uncertain_significance. The variant received 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
CSF2RA	NM_172245.4 link	c.706C>G	p.Arg236Gly	missense_variant	Exon 8 of 13	ENST00000381529.9	NP_758448.1	P15509-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CSF2RA	ENST00000381529.9 link	c.706C>G	p.Arg236Gly	missense_variant	Exon 8 of 13	1	NM_172245.4	ENSP00000370940.3		P15509-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152178

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:

0.000193

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

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152178

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74342

show subpopulations

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

African (AFR)

AF:

0.00

AC:

AN:

41456

American (AMR)

AF:

0.00

AC:

AN:

15262

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000193

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68032

Other (OTH)

AF:

0.00

AC:

AN:

2090

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.325

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Benign

-0.081

BayesDel_noAF

Benign

-0.35

CADD

Benign

9.6

(source)

DANN

Benign

0.96

DEOGEN2

Benign

0.35

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

FATHMM_MKL

Benign

0.024

LIST_S2

Benign

0.57

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

M_CAP

Benign

0.036

MetaRNN

Uncertain

0.58

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

MetaSVM

Benign

-0.46

MutationAssessor

Benign

1.5

L;.;L;L;.;L;L;L;L

PhyloP100

-0.031

PrimateAI

Benign

0.42

PROVEAN

Uncertain

-3.2

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

REVEL

Uncertain

0.33

Sift

Benign

0.14

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

Sift4G

Uncertain

0.032

D;D;D;D;D;D;D;D;T

Polyphen

0.91

P;.;.;P;.;P;P;P;P

Vest4

0.39

MutPred

0.55

Loss of MoRF binding (P = 0.0154);.;Loss of MoRF binding (P = 0.0154);Loss of MoRF binding (P = 0.0154);Loss of MoRF binding (P = 0.0154);Loss of MoRF binding (P = 0.0154);Loss of MoRF binding (P = 0.0154);Loss of MoRF binding (P = 0.0154);Loss of MoRF binding (P = 0.0154);

MVP

0.70

MPC

0.17

ClinPred

0.52

GERP RS

0.50

Varity_R

0.57

Mutation Taster

=93/7

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.050

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over