21-44958579-G-T

Variant names:

• chr21-44958579-G-T
• rs881317
• NM_058190.4:c.284-1521G>T

Variant summary

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

The NM_058190.4(SLX9):​c.284-1521G>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,220 control chromosomes in the GnomAD database, with no homozygous occurrence. 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: 𝑓 0.0000066 (0 hom., cov: 34)
• Consequence: SLX9 NM_058190.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.970
• Publications: 0 publications found

Genes affected

SLX9 (HGNC:15811): (SLX9 ribosome biogenesis factor) Predicted to be involved in maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA). Predicted to be located in nucleolus. Predicted to be part of 90S preribosome and preribosome, small subunit precursor. [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=-0.91).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_058190.4. 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
	SLX9	NM_058190.4	MANE Select	c.284-1521G>T		intron	N/A	NP_478070.1	Q9NSI2-1
	SLX9	NM_001316983.2		c.284-1521G>T		intron	N/A	NP_001303912.1
	SLX9	NM_001316984.2		c.239-1521G>T		intron	N/A	NP_001303913.1	Q9NSI2-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLX9	ENST00000291634.11	TSL:1 MANE Select	c.284-1521G>T		intron	N/A	ENSP00000291634.6	Q9NSI2-1
	SLX9	ENST00000397826.8	TSL:1	c.239-1521G>T		intron	N/A	ENSP00000380926.3	Q9NSI2-2
	SLX9	ENST00000874000.1		c.284-196G>T		intron	N/A	ENSP00000544059.1

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152102 Hom.: 0 Cov.: 34

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00316

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

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

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152220 Hom.: 0 Cov.: 34 AF XY: 0.00 AC XY: 0 AN XY: 74418

African (AFR) AF: 0.00 AC: 0 AN: 41540

American (AMR) AF: 0.00 AC: 0 AN: 15300

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5172

South Asian (SAS) AF: 0.00 AC: 0 AN: 4828

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10596

Middle Eastern (MID) AF: 0.00340 AC: 1 AN: 294

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67992

Other (OTH) AF: 0.00 AC: 0 AN: 2116

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.91
CADD	Benign	1.4
DANN	Benign	0.51
PhyloP100		-0.97
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.2

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: rs881317; hg19: chr21-46378494;