chr4-69205502-C-T

Variant names:

• chr4-69205502-C-T
• rs778931810
• NM_001073.3:c.1068G>A

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001073.3(UGT2B11):​c.1068G>A​(p.Trp356*) variant causes a stop gained change. The variant allele was found at a frequency of 0.000000685 in 1,458,862 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Variant results in nonsense mediated mRNA decay.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.9e-7 (0 hom.)
• Consequence: UGT2B11 NM_001073.3 stop_gained
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 6.56
• Publications: 0 publications found

Genes affected

UGT2B11 (HGNC:12545): (UDP glucuronosyltransferase family 2 member B11) Enables glucuronosyltransferase activity. Involved in estrogen metabolic process and xenobiotic glucuronidation. Predicted to be located in endoplasmic reticulum membrane. Predicted to be integral component of membrane. Predicted to be active in intracellular membrane-bounded organelle. [provided by Alliance of Genome Resources, Apr 2022]

ENSG00000250696 (HGNC:58803):

LOC105377267 (HGNC:):

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001073.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	UGT2B11	NM_001073.3	MANE Select	c.1068G>A	p.Trp356*	stop_gained	Exon 4 of 6	NP_001064.1	O75310
	LOC105377267	NR_136191.1		n.597+4218C>T		intron	N/A

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	UGT2B11	ENST00000446444.2	TSL:1 MANE Select	c.1068G>A	p.Trp356*	stop_gained	Exon 4 of 6	ENSP00000387683.1	O75310
	UGT2B11	ENST00000513315.1	TSL:3	n.192G>A		non_coding_transcript_exon	Exon 1 of 2
	ENSG00000250696	ENST00000504301.5	TSL:5	n.484+4924C>T		intron	N/A

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.85e-7 AC: 1 AN: 1458862 Hom.: 0 Cov.: 30 AF XY: 0.00 AC XY: 0 AN XY: 725812

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 33278

American (AMR) AF: 0.00 AC: 0 AN: 44556

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26002

East Asian (EAS) AF: 0.00 AC: 0 AN: 39572

South Asian (SAS) AF: 0.00 AC: 0 AN: 86148

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53386

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5646

European-Non Finnish (NFE) AF: 9.01e-7 AC: 1 AN: 1110096

Other (OTH) AF: 0.00 AC: 0 AN: 60178

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.57	D
BayesDel_noAF	Pathogenic	0.59
CADD	Pathogenic	39
DANN	Uncertain	0.99
Eigen	Uncertain	0.32
Eigen_PC	Benign	0.018
FATHMM_MKL	Uncertain	0.96	D
PhyloP100		6.6
Vest4		0.20
GERP RS		2.0
Mutation Taster		=88/112	disease causing (fs/PTC)

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.26		Details are displayed if max score is > 0.2
DS_DL_spliceai		0.26		Position offset: -22

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Other links and lift over

dbSNP: rs778931810; hg19: chr4-70071220;