19-51768776-G-A

Variant names:

• chr19-51768776-G-A
• rs749741937
• NM_001005738.2:c.118G>A

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2 PP3_Strong

The NM_001005738.2(FPR2):​c.118G>A​(p.Gly40Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000991 in 1,613,976 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 32)
  • Exomes 𝑓: 0.000010 (0 hom.)
• Consequence: FPR2 NM_001005738.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 9.16

Genes affected

FPR2 (HGNC:3827): (formyl peptide receptor 2) Enables amyloid-beta binding activity; scavenger receptor binding activity; and signaling receptor activity. Involved in several processes, including cellular response to amyloid-beta; positive regulation of monocyte chemotaxis; and regulation of defense response. Located in cytoplasm and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

FPR1 (HGNC:3826): (formyl peptide receptor 1) This gene encodes a G protein-coupled receptor of mammalian phagocytic cells that is a member of the G-protein coupled receptor 1 family. The protein mediates the response of phagocytic cells to invasion of the host by microorganisms and is important in host defense and inflammation.[provided by RefSeq, Jul 2010]

ACMG classification

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.971

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FPR2	NM_001005738.2	c.118G>A	p.Gly40Arg	missense_variant	Exon 2 of 2	ENST00000340023.7	NP_001005738.1
FPR2	NM_001462.3	c.118G>A	p.Gly40Arg	missense_variant	Exon 2 of 2		NP_001453.1
FPR2	XM_006723120.4	c.118G>A	p.Gly40Arg	missense_variant	Exon 3 of 3		XP_006723183.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FPR2	ENST00000340023.7	c.118G>A	p.Gly40Arg	missense_variant	Exon 2 of 2	1	NM_001005738.2	ENSP00000340191.4

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 152082 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

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: 0.0000147

Gnomad OTH AF: 0.00

GnomAD3 exomes AF: 0.0000119 AC: 3 AN: 251488 Hom.: 0 AF XY: 0.0000221 AC XY: 3 AN XY: 135918

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.0000289

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: 0.0000176

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000103 AC: 15 AN: 1461894 Hom.: 0 Cov.: 31 AF XY: 0.0000110 AC XY: 8 AN XY: 727248

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.0000224

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.0000252

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00000989

Gnomad4 OTH exome AF: 0.0000331

GnomAD4 genome AF: 0.00000658 AC: 1 AN: 152082 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 74284

Gnomad4 AFR AF: 0.00

Gnomad4 AMR AF: 0.00

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.0000147

Gnomad4 OTH AF: 0.00

Bravo AF: 0.00000378

ExAC AF: 0.0000165 AC: 2

EpiCase AF: 0.0000545

EpiControl AF: 0.000119

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Oct 04, 2022

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.118G>A (p.G40R) alteration is located in exon 2 (coding exon 1) of the FPR2 gene. This alteration results from a G to A substitution at nucleotide position 118, causing the glycine (G) at amino acid position 40 to be replaced by an arginine (R). 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	Pathogenic	0.99
BayesDel_addAF	Uncertain	0.10	D
BayesDel_noAF	Uncertain	-0.010
CADD	Uncertain	25
DANN	Pathogenic	1.0
DEOGEN2	Uncertain	0.58	.;D;.;D;D;.
Eigen	Uncertain	0.28
Eigen_PC	Benign	0.21
FATHMM_MKL	Pathogenic	0.98	D
LIST_S2	Pathogenic	0.99	D;.;D;.;D;D
M_CAP	Benign	0.028	D
MetaRNN	Pathogenic	0.97	D;D;D;D;D;D
MetaSVM	Benign	-0.69	T
MutationAssessor	Uncertain	2.4	.;M;.;M;M;.
PrimateAI	Uncertain	0.54	T
PROVEAN	Pathogenic	-7.3	.;D;.;.;.;.
REVEL	Uncertain	0.51
Sift	Uncertain	0.0010	.;D;.;.;.;.
Sift4G	Pathogenic	0.0	D;D;D;D;D;D
Polyphen		1.0	.;D;.;D;D;.
Vest4		0.88, 0.86
MutPred		0.84		Gain of MoRF binding (P = 0.0134);Gain of MoRF binding (P = 0.0134);Gain of MoRF binding (P = 0.0134);Gain of MoRF binding (P = 0.0134);Gain of MoRF binding (P = 0.0134);Gain of MoRF binding (P = 0.0134);
MVP		0.72
MPC		1.1
ClinPred		0.99	D
GERP RS		3.6
Varity_R		0.93
gMVP		0.90

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

Other links and lift over

dbSNP: rs749741937; hg19: chr19-52272029;