2-232336548-G-T

Variant names:

• chr2-232336548-G-T
• rs570999208
• NM_152383.5:c.2576G>T

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_152383.5(DIS3L2):​c.2576G>T​(p.Arg859Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,457,756 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R859P) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 6.9e-7 (0 hom.)
• Consequence: DIS3L2 NM_152383.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 2.83
• Publications: 0 publications found

Genes affected

DIS3L2 (HGNC:28648): (DIS3 like 3'-5' exoribonuclease 2) The protein encoded by this gene is similar in sequence to 3'/5' exonucleolytic subunits of the RNA exosome. The exosome is a large multimeric ribonucleotide complex responsible for degrading various RNA substrates. Several transcript variants, some protein-coding and some not, have been found for this gene. [provided by RefSeq, Mar 2012]

DIS3L2 Gene-Disease associations (from GenCC):

• Perlman syndrome

  Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, G2P, ClinGen, Labcorp Genetics (formerly Invitae)

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.19904032).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_152383.5. 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
	DIS3L2	NM_152383.5	MANE Select	c.2576G>T	p.Arg859Leu	missense	Exon 21 of 21	NP_689596.4
	DIS3L2	NM_001257281.2		c.1582-6797G>T		intron	N/A	NP_001244210.1	Q8IYB7-3
	DIS3L2	NR_046476.2		n.2649G>T		non_coding_transcript_exon	Exon 21 of 21

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DIS3L2	ENST00000325385.12	TSL:5 MANE Select	c.2576G>T	p.Arg859Leu	missense	Exon 21 of 21	ENSP00000315569.7	Q8IYB7-1
	DIS3L2	ENST00000390005.9	TSL:1	n.*643G>T		non_coding_transcript_exon	Exon 21 of 21	ENSP00000374655.5	Q8IYB7-2
	DIS3L2	ENST00000445090.5	TSL:1	n.*2326G>T		non_coding_transcript_exon	Exon 19 of 19	ENSP00000388999.1	Q8IYB7-4

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 6.86e-7 AC: 1 AN: 1457756 Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1 AN XY: 725376

African (AFR) AF: 0.00 AC: 0 AN: 33478

American (AMR) AF: 0.00 AC: 0 AN: 44710

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26134

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86240

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 49434

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5752

European-Non Finnish (NFE) AF: 8.99e-7 AC: 1 AN: 1111948

Other (OTH) AF: 0.00 AC: 0 AN: 60360

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.21
BayesDel_addAF	Benign	-0.064	T
BayesDel_noAF	Benign	-0.33
CADD	Benign	18
DANN	Uncertain	0.99
DEOGEN2	Benign	0.14	T
Eigen	Benign	-0.43
Eigen_PC	Benign	-0.36
FATHMM_MKL	Pathogenic	0.97	D
LIST_S2	Benign	0.78	T
M_CAP	Benign	0.024	T
MetaRNN	Benign	0.20	T
MetaSVM	Benign	-1.1	T
MutationAssessor	Uncertain	2.3	M
PhyloP100		2.8
PrimateAI	Benign	0.34	T
PROVEAN	Uncertain	-3.3	D
REVEL	Benign	0.16
Sift	Uncertain	0.012	D
Sift4G	Benign	0.068	T
Polyphen		0.065	B
Vest4		0.51
MutPred		0.48		Loss of MoRF binding (P = 0.0126)
MVP		0.093
MPC		0.54
ClinPred		0.94	D
GERP RS		3.5
Varity_R		0.20
gMVP		0.63
Mutation Taster		=72/28	polymorphism

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: rs570999208; hg19: chr2-233201258; COSMIC: COSV99807106; COSMIC: COSV99807106;