2-232334417-C-G

Variant names:

• chr2-232334417-C-G
• rs780625125
• NM_152383.5:c.2207C>G

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2 BP4

The NM_152383.5(DIS3L2):​c.2207C>G​(p.Ala736Gly) variant causes a missense change involving the alteration of a 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. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A736V) has been classified as Likely benign.

• Frequency: Genomes: not found (cov: 33)
• Consequence: DIS3L2 NM_152383.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 7.58
• 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 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.34918988).

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.2207C>G	p.Ala736Gly	missense	Exon 18 of 21	NP_689596.4
	DIS3L2	NM_001257281.2		c.1582-8928C>G		intron	N/A	NP_001244210.1	Q8IYB7-3
	DIS3L2	NR_046476.2		n.2280C>G		non_coding_transcript_exon	Exon 18 of 21

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DIS3L2	ENST00000325385.12	TSL:5 MANE Select	c.2207C>G	p.Ala736Gly	missense	Exon 18 of 21	ENSP00000315569.7	Q8IYB7-1
	DIS3L2	ENST00000390005.9	TSL:1	n.*274C>G		non_coding_transcript_exon	Exon 18 of 21	ENSP00000374655.5	Q8IYB7-2
	DIS3L2	ENST00000445090.5	TSL:1	n.*1363C>G		non_coding_transcript_exon	Exon 17 of 19	ENSP00000388999.1	Q8IYB7-4

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 33

GnomAD4 genome Cov.: 33

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.33
BayesDel_addAF	Benign	-0.012	T
BayesDel_noAF	Benign	-0.25
CADD	Pathogenic	28
DANN	Uncertain	1.0
DEOGEN2	Benign	0.18	T
Eigen	Uncertain	0.20
Eigen_PC	Benign	0.14
FATHMM_MKL	Uncertain	0.95	D
LIST_S2	Uncertain	0.89	D
M_CAP	Benign	0.066	D
MetaRNN	Benign	0.35	T
MetaSVM	Uncertain	-0.14	T
MutationAssessor	Pathogenic	3.2	M
PhyloP100		7.6
PrimateAI	Uncertain	0.61	T
PROVEAN	Uncertain	-3.3	D
REVEL	Uncertain	0.31
Sift	Uncertain	0.024	D
Sift4G	Uncertain	0.047	D
Polyphen		1.0	D
Vest4		0.80
MutPred		0.45		Loss of stability (P = 0.1399)
MVP		0.14
MPC		0.82
ClinPred		0.99	D
GERP RS		3.9
PromoterAI		-0.019	Neutral
Varity_R		0.41
gMVP		0.70
Mutation Taster		=80/20	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: rs780625125; hg19: chr2-233199127;