chr4-68932680-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_024743.4(UGT2A3):​c.944C>T​(p.Thr315Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )
Failed GnomAD Quality Control

Consequence

UGT2A3
NM_024743.4 missense

Scores

3
3
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.91
Variant links:
Genes affected
UGT2A3 (HGNC:28528): (UDP glucuronosyltransferase family 2 member A3) Enables glucuronosyltransferase activity. Involved in cellular glucuronidation. Predicted to be integral component of membrane. Predicted to be active in intracellular membrane-bounded organelle. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.40122637).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
UGT2A3NM_024743.4 linkuse as main transcriptc.944C>T p.Thr315Ile missense_variant 3/6 ENST00000251566.9 NP_079019.3
UGT2A3XM_011532247.3 linkuse as main transcriptc.962C>T p.Thr321Ile missense_variant 3/6 XP_011530549.1
UGT2A3XM_047416177.1 linkuse as main transcriptc.77C>T p.Thr26Ile missense_variant 3/6 XP_047272133.1
UGT2A3NR_024010.2 linkuse as main transcriptn.1085C>T non_coding_transcript_exon_variant 4/7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
UGT2A3ENST00000251566.9 linkuse as main transcriptc.944C>T p.Thr315Ile missense_variant 3/61 NM_024743.4 ENSP00000251566 P1
UGT2A3ENST00000503012.1 linkuse as main transcriptc.*120C>T 3_prime_UTR_variant, NMD_transcript_variant 4/72 ENSP00000424092

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Data not reliable, filtered out with message: AS_VQSR
AF:
0.00000205
AC:
3
AN:
1459896
Hom.:
0
Cov.:
31
AF XY:
0.00000275
AC XY:
2
AN XY:
726266
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.00e-7
Gnomad4 OTH exome
AF:
0.0000332
GnomAD4 genome
Cov.:
32

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 17, 2023The c.944C>T (p.T315I) alteration is located in exon 3 (coding exon 3) of the UGT2A3 gene. This alteration results from a C to T substitution at nucleotide position 944, causing the threonine (T) at amino acid position 315 to be replaced by an isoleucine (I). 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
0.58
BayesDel_addAF
Benign
-0.086
T
BayesDel_noAF
Benign
-0.36
CADD
Benign
17
DANN
Benign
0.85
DEOGEN2
Benign
0.19
T
Eigen
Benign
-0.42
Eigen_PC
Benign
-0.54
FATHMM_MKL
Benign
0.49
N
M_CAP
Benign
0.0045
T
MetaRNN
Benign
0.40
T
MetaSVM
Benign
-0.67
T
MutationAssessor
Pathogenic
3.5
H
MutationTaster
Benign
0.99
N;N
PrimateAI
Uncertain
0.55
T
PROVEAN
Pathogenic
-5.2
D
REVEL
Benign
0.17
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.048
D
Polyphen
0.013
B
Vest4
0.33
MutPred
0.68
Gain of ubiquitination at K318 (P = 0.1278);
MVP
0.39
MPC
0.0056
ClinPred
0.92
D
GERP RS
2.1
Varity_R
0.18
gMVP
0.42

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr4-69798398; API