chr13-99220179-G-A

Variant names:

• chr13-99220179-G-A
• rs984477
• NM_001144072.2:c.32-18248G>A

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_001144072.2(UBAC2):​c.32-18248G>A variant causes a intron 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. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: UBAC2 NM_001144072.2 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.0880
• Publications: 5 publications found

Genes affected

UBAC2 (HGNC:20486): (UBA domain containing 2) Involved in negative regulation of canonical Wnt signaling pathway and negative regulation of retrograde protein transport, ER to cytosol. Acts upstream of or within protein localization to endoplasmic reticulum. Located in endoplasmic reticulum. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.9).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001144072.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	UBAC2	NM_001144072.2	MANE Select	c.32-18248G>A		intron	N/A	NP_001137544.1
	UBAC2	NM_177967.4		c.157-18248G>A		intron	N/A	NP_808882.1
	UBAC2	NR_026644.2		n.715-18248G>A		intron	N/A

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	UBAC2	ENST00000403766.8	TSL:2 MANE Select	c.32-18248G>A		intron	N/A	ENSP00000383911.3
	UBAC2	ENST00000376440.6	TSL:2	c.157-18248G>A		intron	N/A	ENSP00000365623.2
	UBAC2	ENST00000355700.9	TSL:3	c.32-18248G>A		intron	N/A	ENSP00000347928.5

Frequencies

GnomAD3 genomes Cov.: 32

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 3154

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.90
CADD	Benign	0.85
DANN	Benign	0.94
PhyloP100		0.088

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

Other links and lift over

dbSNP: rs984477; hg19: chr13-99872433;