chr6-16250323-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_006877.4(GMPR):​c.247G>A​(p.Asp83Asn) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000931 in 1,611,158 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000089 ( 0 hom. )

Consequence

GMPR
NM_006877.4 missense

Scores

2
7
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.46
Variant links:
Genes affected
GMPR (HGNC:4376): (guanosine monophosphate reductase) This gene encodes an enzyme that catalyzes the irreversible and NADPH-dependent reductive deamination of GMP to IMP. The protein also functions in the re-utilization of free intracellular bases and purine nucleosides.[provided by RefSeq, Oct 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.16078347).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
GMPRNM_006877.4 linkuse as main transcriptc.247G>A p.Asp83Asn missense_variant 3/9 ENST00000259727.5
GMPRXM_047418656.1 linkuse as main transcriptc.247G>A p.Asp83Asn missense_variant 3/9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
GMPRENST00000259727.5 linkuse as main transcriptc.247G>A p.Asp83Asn missense_variant 3/91 NM_006877.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152142
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:
0.000386
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:
0.0000517
AC:
13
AN:
251356
Hom.:
0
AF XY:
0.0000515
AC XY:
7
AN XY:
135860
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000707
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000891
AC:
13
AN:
1458898
Hom.:
0
Cov.:
28
AF XY:
0.00000138
AC XY:
1
AN XY:
726020
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000302
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:
0.0000131
AC:
2
AN:
152260
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74462
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000387
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 GeneticsDec 11, 2023The c.247G>A (p.D83N) alteration is located in exon 3 (coding exon 3) of the GMPR gene. This alteration results from a G to A substitution at nucleotide position 247, causing the aspartic acid (D) at amino acid position 83 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
0.082
BayesDel_addAF
Benign
-0.37
T
BayesDel_noAF
Benign
-0.39
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.65
D
Eigen
Uncertain
0.45
Eigen_PC
Uncertain
0.60
FATHMM_MKL
Pathogenic
1.0
D
LIST_S2
Pathogenic
0.98
D
M_CAP
Benign
0.046
D
MetaRNN
Benign
0.16
T
MetaSVM
Benign
-0.45
T
MutationAssessor
Uncertain
2.1
M
MutationTaster
Benign
1.0
D
PrimateAI
Benign
0.43
T
PROVEAN
Uncertain
-2.4
N
REVEL
Uncertain
0.35
Sift
Benign
0.043
D
Sift4G
Benign
0.13
T
Polyphen
0.28
B
Vest4
0.26
MutPred
0.39
Gain of methylation at K86 (P = 0.0935);
MVP
0.90
MPC
0.079
ClinPred
0.21
T
GERP RS
6.1
Varity_R
0.50
gMVP
0.57

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs747349583; hg19: chr6-16250554; API