rs3738833

Variant names:

• chr1-36394151-T-C
• rs3738833
• NM_032881.3:c.-22A>G

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2 PP3_Moderate

The NM_032881.3(LSM10):​c.-22A>G variant causes a splice region 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. 1/1 splice prediction tools predicting alterations to normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: LSM10 NM_032881.3 splice_region
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.380
• Publications: 0 publications found

Genes affected

LSM10 (HGNC:17562): (LSM10, U7 small nuclear RNA associated) Enables U7 snRNA binding activity. Involved in positive regulation of G1/S transition of mitotic cell cycle. Located in Cajal body. Part of U7 snRNP. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: Splicing predictors support a deleterious effect. Scorers claiming Pathogenic: max_spliceai. No scorers claiming Uncertain. No scorers claiming Benign.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032881.3. 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
	LSM10	NM_032881.3	MANE Select	c.-22A>G		splice_region	Exon 2 of 2	NP_116270.1	Q969L4
	LSM10	NM_032881.3	MANE Select	c.-22A>G		5_prime_UTR	Exon 2 of 2	NP_116270.1	Q969L4

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	LSM10	ENST00000315732.3	TSL:1 MANE Select	c.-22A>G		splice_region	Exon 2 of 2	ENSP00000319341.2	Q969L4
	LSM10	ENST00000315732.3	TSL:1 MANE Select	c.-22A>G		5_prime_UTR	Exon 2 of 2	ENSP00000319341.2	Q969L4
	LSM10	ENST00000861455.1		c.-22A>G		splice_region	Exon 3 of 3	ENSP00000531514.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

Alfa AF: 0.0000219 Hom.: 0

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.75
CADD	Benign	16
DANN	Benign	0.79
PhyloP100		0.38

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.81		Details are displayed if max score is > 0.2
DS_AG_spliceai		0.81		Position offset: -1

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

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Other links and lift over

dbSNP: rs3738833;

hg19: chr1-36859752;