NM_031488.5:c.652G>C

Variant names:

• chr22-41219470-G-C
• NM_031488.5:c.652G>C

Variant summary

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

The NM_031488.5(L3MBTL2):​c.652G>C​(p.Val218Leu) 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 pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: L3MBTL2 NM_031488.5 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 8.03
• Publications: 0 publications found

Genes affected

L3MBTL2 (HGNC:18594): (L3MBTL histone methyl-lysine binding protein 2) Enables methylated histone binding activity. Predicted to be involved in negative regulation of transcription, DNA-templated. Predicted to act upstream of or within several processes, including ectoderm development; regulation of histone modification; and stem cell proliferation. Located in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

L3MBTL2-AS1 (HGNC:40847): (L3MBTL2 antisense RNA 1)

ACMG classification

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

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.862

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_031488.5. 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
	L3MBTL2	NM_031488.5	MANE Select	c.652G>C	p.Val218Leu	missense	Exon 6 of 17	NP_113676.2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	L3MBTL2	ENST00000216237.10	TSL:1 MANE Select	c.652G>C	p.Val218Leu	missense	Exon 6 of 17	ENSP00000216237.5	Q969R5-1
	L3MBTL2	ENST00000466589.5	TSL:1	n.706G>C		non_coding_transcript_exon	Exon 6 of 16
	L3MBTL2	ENST00000892682.1		c.652G>C	p.Val218Leu	missense	Exon 6 of 17	ENSP00000562741.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 32

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.80
BayesDel_addAF	Uncertain	0.11	D
BayesDel_noAF	Uncertain	-0.080
CADD	Pathogenic	29
DANN	Uncertain	1.0
DEOGEN2	Benign	0.20	T
Eigen	Pathogenic	0.76
Eigen_PC	Pathogenic	0.75
FATHMM_MKL	Uncertain	0.97	D
LIST_S2	Uncertain	0.95	D
M_CAP	Benign	0.014	T
MetaRNN	Pathogenic	0.86	D
MetaSVM	Benign	-0.84	T
MutationAssessor	Uncertain	2.2	M
PhyloP100		8.0
PrimateAI	Pathogenic	0.81	D
PROVEAN	Uncertain	-2.8	D
REVEL	Benign	0.26
Sift	Uncertain	0.0020	D
Sift4G	Uncertain	0.0060	D
Polyphen		1.0	D
Vest4		0.79
MutPred		0.73		Loss of ubiquitination at K215 (P = 0.2243)
MVP		0.44
MPC		1.1
ClinPred		0.96	D
GERP RS		5.0
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Varity_R		0.63
gMVP		0.77
Mutation Taster		=51/49	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

hg19: chr22-41615474;