11-47487214-C-A

Variant summary

Our verdict is Uncertain significance. Variant got 5 ACMG points: 5P and 0B. PM2 PP2 PP3_Moderate

The NM_001376376.1(CELF1):c.287G>T(p.Arg96Leu) 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 (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R96H) has been classified as Uncertain significance.

• Frequency: Genomes: not found (cov: 31)
• Consequence: CELF1 NM_001376376.1 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 7.75

Genes affected

CELF1 (HGNC:2549): (CUGBP Elav-like family member 1) Members of the CELF/BRUNOL protein family contain two N-terminal RNA recognition motif (RRM) domains, one C-terminal RRM domain, and a divergent segment of 160-230 aa between the second and third RRM domains. Members of this protein family regulate pre-mRNA alternative splicing and may also be involved in mRNA editing, and translation. This gene may play a role in myotonic dystrophy type 1 (DM1) via interactions with the dystrophia myotonica-protein kinase (DMPK) gene. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Jul 2008]

ACMG classification

Verdict is Uncertain_significance. Variant got 5 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP2: Missense variant where missense usually causes diseases, CELF1
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.845

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
CELF1	NM_001376376.1	c.287G>T	p.Arg96Leu	missense_variant	5/15	ENST00000687097.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
CELF1	ENST00000687097.1	c.287G>T	p.Arg96Leu	missense_variant	5/15		NM_001376376.1	P3

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 31

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Feb 14, 2023

The c.287G>T (p.R96L) alteration is located in exon 5 (coding exon 3) of the CELF1 gene. This alteration results from a G to T substitution at nucleotide position 287, causing the arginine (R) at amino acid position 96 to be replaced by a leucine (L). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	1.0
BayesDel_addAF	Pathogenic	0.22	D
BayesDel_noAF	Uncertain	0.080
Cadd	Pathogenic	29
Dann	Uncertain	1.0
Eigen	Pathogenic	0.82
Eigen_PC	Pathogenic	0.83
FATHMM_MKL	Pathogenic	1.0	D
LIST_S2	Pathogenic	0.99	D;D;D;.;D;D;D;D;D;D;D;D
M_CAP	Benign	0.042	D
MetaRNN	Pathogenic	0.85	D;D;D;D;D;D;D;D;D;D;D;D
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	1.2	L;L;L;L;L;.;.;.;.;.;.;.
MutationTaster	Benign	1.0	D;D;D;D;D;D;D
PrimateAI	Pathogenic	0.88	D
PROVEAN	Pathogenic	-5.9	D;D;D;D;D;D;D;D;D;D;D;D
REVEL	Uncertain	0.53
Sift	Uncertain	0.0010	D;D;D;D;D;D;D;D;D;D;D;D
Sift4G	Uncertain	0.0020	D;D;D;D;D;D;D;.;D;D;.;D
Polyphen		0.99	D;.;D;D;D;D;D;.;.;.;.;.
Vest4		0.81
MutPred		0.64		.;.;.;.;.;Gain of ubiquitination at K97 (P = 0.0831);Gain of ubiquitination at K97 (P = 0.0831);.;Gain of ubiquitination at K97 (P = 0.0831);.;.;Gain of ubiquitination at K97 (P = 0.0831);
MVP		0.91
MPC		1.5
ClinPred		0.99	D
GERP RS		5.9
Varity_R		0.80
gMVP		0.75

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.070		Details are displayed if max score is > 0.2

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

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr11-47508766;