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GeneBe

5-138264326-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_001496.4(GFRA3):​c.314G>A​(p.Arg105Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000157 in 1,460,936 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: not found (cov: 32)
Exomes 𝑓: 0.000016 ( 0 hom. )

Consequence

GFRA3
NM_001496.4 missense

Scores

2
10
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.06
Variant links:
Genes affected
GFRA3 (HGNC:4245): (GDNF family receptor alpha 3) The protein encoded by this gene is a glycosylphosphatidylinositol(GPI)-linked cell surface receptor and a member of the GDNF receptor family. It forms a signaling receptor complex with RET tyrosine kinase receptor and binds the ligand, artemin. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.844

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
GFRA3NM_001496.4 linkuse as main transcriptc.314G>A p.Arg105Gln missense_variant 2/8 ENST00000274721.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
GFRA3ENST00000274721.8 linkuse as main transcriptc.314G>A p.Arg105Gln missense_variant 2/81 NM_001496.4 P2O60609-1
GFRA3ENST00000378362.3 linkuse as main transcriptc.314G>A p.Arg105Gln missense_variant 2/71 A2O60609-2

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.0000119
AC:
3
AN:
251342
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135832
show subpopulations
Gnomad AFR exome
AF:
0.0000615
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:
0.0000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000157
AC:
23
AN:
1460936
Hom.:
0
Cov.:
31
AF XY:
0.0000151
AC XY:
11
AN XY:
726546
show subpopulations
Gnomad4 AFR exome
AF:
0.0000598
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:
0.0000180
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.00000378
ExAC
AF:
0.0000165
AC:
2

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 submitterclinical testingAmbry GeneticsJun 11, 2021The c.314G>A (p.R105Q) alteration is located in exon 2 (coding exon 2) of the GFRA3 gene. This alteration results from a G to A substitution at nucleotide position 314, causing the arginine (R) at amino acid position 105 to be replaced by a glutamine (Q). 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
0.12
BayesDel_addAF
Benign
-0.11
T
BayesDel_noAF
Benign
-0.22
CADD
Uncertain
25
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.55
D;.
Eigen
Uncertain
0.66
Eigen_PC
Uncertain
0.63
FATHMM_MKL
Uncertain
0.85
D
LIST_S2
Uncertain
0.86
D;D
M_CAP
Benign
0.067
D
MetaRNN
Pathogenic
0.84
D;D
MetaSVM
Uncertain
-0.11
T
MutationAssessor
Uncertain
2.8
M;M
MutationTaster
Benign
0.99
D;D
PrimateAI
Benign
0.30
T
PROVEAN
Uncertain
-3.5
D;D
REVEL
Uncertain
0.50
Sift
Uncertain
0.010
D;D
Sift4G
Benign
0.17
T;T
Polyphen
1.0
D;D
Vest4
0.52
MutPred
0.79
Loss of MoRF binding (P = 0.0202);Loss of MoRF binding (P = 0.0202);
MVP
0.84
MPC
1.1
ClinPred
0.99
D
GERP RS
5.3
Varity_R
0.38
gMVP
0.65

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.

Other links and lift over

dbSNP: rs767151661; hg19: chr5-137600015; API