chr9-33051687-T-G

Position:

• chr9-33051687-T-G

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_018225.3(SMU1):​c.1290+1436A>C 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: 31)
• Consequence: SMU1 NM_018225.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.412

Genes affected

SMU1 (HGNC:18247): (SMU1 DNA replication regulator and spliceosomal factor) Involved in mRNA splicing, via spliceosome. Located in nucleus. Part of U2-type precatalytic spliceosome. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

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 (BayesDel_noAF=-0.77).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
SMU1	NM_018225.3	c.1290+1436A>C		intron_variant		ENST00000397149.4	NP_060695.2
SMU1	XM_005251503.6	c.1137+1436A>C		intron_variant			XP_005251560.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
SMU1	ENST00000397149.4	c.1290+1436A>C		intron_variant		1	NM_018225.3	ENSP00000380336.3

Frequencies

GnomAD3 genomes Cov.: 31

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

GnomAD4 genome Cov.: 31

Bravo AF: 0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.77
CADD	Benign	8.5
DANN	Benign	0.89

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

Other links and lift over

dbSNP: rs10813928; hg19: chr9-33051685;