2-132417634-C-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001508.3(GPR39):​c.592C>A​(p.His198Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000198 in 1,613,982 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000018 ( 0 hom. )

Consequence

GPR39
NM_001508.3 missense

Scores

4
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.97
Variant links:
Genes affected
GPR39 (HGNC:4496): (G protein-coupled receptor 39) This gene is a member of the ghrelin receptor family and encodes a rhodopsin-type G-protein-coupled receptor (GPCR). The encoded protein is involved in zinc-dependent signaling in epithelial tissue in intestines, prostate and salivary glands. The protein may also be involved in the pathophysiology of depression. [provided by RefSeq, Jun 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.06326559).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
GPR39NM_001508.3 linkuse as main transcriptc.592C>A p.His198Asn missense_variant 1/2 ENST00000329321.4 NP_001499.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
GPR39ENST00000329321.4 linkuse as main transcriptc.592C>A p.His198Asn missense_variant 1/21 NM_001508.3 ENSP00000327417 P1

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152104
Hom.:
0
Cov.:
32
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:
0.000969
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
GnomAD3 exomes
AF:
0.0000795
AC:
20
AN:
251416
Hom.:
0
AF XY:
0.0000442
AC XY:
6
AN XY:
135896
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00103
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000879
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000185
AC:
27
AN:
1461878
Hom.:
0
Cov.:
34
AF XY:
0.0000138
AC XY:
10
AN XY:
727242
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000655
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152104
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74286
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000969
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000264
ExAC
AF:
0.0000741
AC:
9

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 GeneticsOct 25, 2023The c.592C>A (p.H198N) alteration is located in exon 1 (coding exon 1) of the GPR39 gene. This alteration results from a C to A substitution at nucleotide position 592, causing the histidine (H) at amino acid position 198 to be replaced by an asparagine (N). 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
0.088
BayesDel_addAF
Benign
-0.44
T
BayesDel_noAF
Benign
-0.47
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Benign
0.086
T;.
Eigen
Uncertain
0.45
Eigen_PC
Uncertain
0.47
FATHMM_MKL
Uncertain
0.83
D
LIST_S2
Benign
0.70
T;T
M_CAP
Benign
0.0069
T
MetaRNN
Benign
0.063
T;T
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
1.1
L;.
MutationTaster
Benign
0.99
D
PrimateAI
Benign
0.40
T
PROVEAN
Benign
-0.89
N;.
REVEL
Benign
0.11
Sift
Benign
0.11
T;.
Sift4G
Benign
0.17
T;T
Polyphen
0.90
P;.
Vest4
0.25
MutPred
0.44
Gain of glycosylation at S195 (P = 0.1414);Gain of glycosylation at S195 (P = 0.1414);
MVP
0.74
MPC
0.37
ClinPred
0.40
T
GERP RS
4.9
Varity_R
0.15
gMVP
0.58

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: rs749327980; hg19: chr2-133175207; API