2-63884054-A-G

Variant summary

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

The NM_006759.4(UGP2):ā€‹c.536A>Gā€‹(p.Asn179Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000139 in 1,613,350 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.00015 ( 0 hom., cov: 32)
Exomes š‘“: 0.00014 ( 0 hom. )

Consequence

UGP2
NM_006759.4 missense

Scores

1
18

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.121
Variant links:
Genes affected
UGP2 (HGNC:12527): (UDP-glucose pyrophosphorylase 2) The enzyme encoded by this gene is an important intermediary in mammalian carbohydrate interconversions. It transfers a glucose moiety from glucose-1-phosphate to MgUTP and forms UDP-glucose and MgPPi. In liver and muscle tissue, UDP-glucose is a direct precursor of glycogen; in lactating mammary gland it is converted to UDP-galactose which is then converted to lactose. The eukaryotic enzyme has no significant sequence similarity to the prokaryotic enzyme. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

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=0.03499335).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
UGP2NM_006759.4 linkuse as main transcriptc.536A>G p.Asn179Ser missense_variant 5/10 ENST00000337130.10 NP_006750.3 Q16851-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
UGP2ENST00000337130.10 linkuse as main transcriptc.536A>G p.Asn179Ser missense_variant 5/101 NM_006759.4 ENSP00000338703.5 Q16851-1

Frequencies

GnomAD3 genomes
AF:
0.000145
AC:
22
AN:
152238
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000169
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.000288
Gnomad EAS
AF:
0.000192
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000162
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000116
AC:
29
AN:
250406
Hom.:
0
AF XY:
0.000133
AC XY:
18
AN XY:
135346
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000559
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000881
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000138
AC:
202
AN:
1460994
Hom.:
0
Cov.:
31
AF XY:
0.000153
AC XY:
111
AN XY:
726778
show subpopulations
Gnomad4 AFR exome
AF:
0.000329
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.000115
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000627
Gnomad4 FIN exome
AF:
0.0000188
Gnomad4 NFE exome
AF:
0.000113
Gnomad4 OTH exome
AF:
0.0000663
GnomAD4 genome
AF:
0.000151
AC:
23
AN:
152356
Hom.:
0
Cov.:
32
AF XY:
0.000188
AC XY:
14
AN XY:
74500
show subpopulations
Gnomad4 AFR
AF:
0.000168
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.000288
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.000414
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000162
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000102
Hom.:
0
Bravo
AF:
0.000140
ESP6500AA
AF:
0.000681
AC:
3
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000132
AC:
16
EpiCase
AF:
0.00
EpiControl
AF:
0.000178

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsAug 02, 2021The c.536A>G (p.N179S) alteration is located in exon 5 (coding exon 5) of the UGP2 gene. This alteration results from a A to G substitution at nucleotide position 536, causing the asparagine (N) at amino acid position 179 to be replaced by a serine (S). 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
0.050
BayesDel_addAF
Benign
-0.63
T
BayesDel_noAF
Benign
-0.80
CADD
Benign
9.9
DANN
Benign
0.88
DEOGEN2
Benign
0.087
.;.;T;T;.;T;T;.
Eigen
Benign
-0.97
Eigen_PC
Benign
-0.80
FATHMM_MKL
Benign
0.55
D
LIST_S2
Uncertain
0.87
.;D;D;T;D;D;D;D
M_CAP
Benign
0.0044
T
MetaRNN
Benign
0.035
T;T;T;T;T;T;T;T
MetaSVM
Benign
-0.96
T
MutationAssessor
Benign
-0.60
.;.;N;.;.;.;.;.
PrimateAI
Benign
0.39
T
PROVEAN
Benign
-0.010
N;N;N;N;N;N;N;.
REVEL
Benign
0.028
Sift
Benign
0.72
T;T;T;T;T;T;T;.
Sift4G
Benign
0.64
T;T;T;T;T;T;T;T
Polyphen
0.0
.;.;B;.;B;.;.;.
Vest4
0.11
MVP
0.099
MPC
0.40
ClinPred
0.0059
T
GERP RS
-2.7
Varity_R
0.048
gMVP
0.15

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: rs141231511; hg19: chr2-64111188; API