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GeneBe

2-233618472-A-G

Variant summary

Our verdict is Benign. Variant got -15 ACMG points: 0P and 15B. BP4_StrongBP6_ModerateBP7BA1

The NM_019076.5(UGT1A8):c.765A>G(p.Thr255=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.149 in 1,613,838 control chromosomes in the GnomAD database, including 18,980 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.16 ( 2057 hom., cov: 32)
Exomes 𝑓: 0.15 ( 16923 hom. )

Consequence

UGT1A8
NM_019076.5 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -3.81
Variant links:
Genes affected
UGT1A8 (HGNC:12540): (UDP glucuronosyltransferase family 1 member A8) This gene encodes a UDP-glucuronosyltransferase, an enzyme of the glucuronidation pathway that transforms small lipophilic molecules, such as steroids, bilirubin, hormones, and drugs, into water-soluble, excretable metabolites. This gene is part of a complex locus that encodes several UDP-glucuronosyltransferases. The locus includes thirteen unique alternate first exons followed by four common exons. Four of the alternate first exons are considered pseudogenes. Each of the remaining nine 5' exons may be spliced to the four common exons, resulting in nine proteins with different N-termini and identical C-termini. Each first exon encodes the substrate binding site, and is regulated by its own promoter. The enzyme encoded by this gene has glucuronidase activity with many substrates including coumarins, phenols, anthraquinones, flavones, and some opioids. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -15 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.98).
BP6
Variant 2-233618472-A-G is Benign according to our data. Variant chr2-233618472-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 773665.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-3.81 with no splicing effect.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.208 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
UGT1A8NM_019076.5 linkuse as main transcriptc.765A>G p.Thr255= synonymous_variant 1/5 ENST00000373450.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
UGT1A8ENST00000373450.5 linkuse as main transcriptc.765A>G p.Thr255= synonymous_variant 1/51 NM_019076.5 P1Q9HAW9-1

Frequencies

GnomAD3 genomes
AF:
0.158
AC:
24061
AN:
152080
Hom.:
2051
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.212
Gnomad AMI
AF:
0.147
Gnomad AMR
AF:
0.0921
Gnomad ASJ
AF:
0.0694
Gnomad EAS
AF:
0.0993
Gnomad SAS
AF:
0.0629
Gnomad FIN
AF:
0.126
Gnomad MID
AF:
0.0981
Gnomad NFE
AF:
0.162
Gnomad OTH
AF:
0.151
GnomAD3 exomes
AF:
0.128
AC:
32264
AN:
251114
Hom.:
2436
AF XY:
0.125
AC XY:
17021
AN XY:
135712
show subpopulations
Gnomad AFR exome
AF:
0.217
Gnomad AMR exome
AF:
0.0663
Gnomad ASJ exome
AF:
0.0750
Gnomad EAS exome
AF:
0.107
Gnomad SAS exome
AF:
0.0680
Gnomad FIN exome
AF:
0.131
Gnomad NFE exome
AF:
0.159
Gnomad OTH exome
AF:
0.125
GnomAD4 exome
AF:
0.148
AC:
215952
AN:
1461640
Hom.:
16923
Cov.:
35
AF XY:
0.145
AC XY:
105193
AN XY:
727130
show subpopulations
Gnomad4 AFR exome
AF:
0.214
Gnomad4 AMR exome
AF:
0.0712
Gnomad4 ASJ exome
AF:
0.0746
Gnomad4 EAS exome
AF:
0.0664
Gnomad4 SAS exome
AF:
0.0653
Gnomad4 FIN exome
AF:
0.133
Gnomad4 NFE exome
AF:
0.161
Gnomad4 OTH exome
AF:
0.142
GnomAD4 genome
AF:
0.158
AC:
24092
AN:
152198
Hom.:
2057
Cov.:
32
AF XY:
0.153
AC XY:
11368
AN XY:
74430
show subpopulations
Gnomad4 AFR
AF:
0.212
Gnomad4 AMR
AF:
0.0918
Gnomad4 ASJ
AF:
0.0694
Gnomad4 EAS
AF:
0.0990
Gnomad4 SAS
AF:
0.0630
Gnomad4 FIN
AF:
0.126
Gnomad4 NFE
AF:
0.162
Gnomad4 OTH
AF:
0.150
Alfa
AF:
0.137
Hom.:
711
Bravo
AF:
0.159
Asia WGS
AF:
0.0850
AC:
294
AN:
3478
EpiCase
AF:
0.142
EpiControl
AF:
0.152

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeDec 31, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.98
Cadd
Benign
0.052
Dann
Benign
0.32

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: rs1042605; hg19: chr2-234527118; COSMIC: COSV65073768; API