2-232482887-G-C

Position:

• chr2-232482887-G-C

Variant summary

Our verdict is Pathogenic. Variant got 11 ACMG points: 11P and 0B. PVS1 PM2 PP5

The NM_004826.4(ECEL1):​c.1649C>G​(p.Ser550Ter) variant causes a stop gained 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 Pathogenic (no stars). Variant results in nonsense mediated mRNA decay.

• Frequency: Genomes: not found (cov: 33)
• Consequence: ECEL1 NM_004826.4 stop_gained
• Clinical Significance: Pathogenic no assertion criteria provided P:1
• Conservation: PhyloP100: 9.95

Genes affected

ECEL1 (HGNC:3147): (endothelin converting enzyme like 1) This gene encodes a member of the M13 family of endopeptidases. Members of this family are zinc-containing type II integral-membrane proteins that are important regulators of neuropeptide and peptide hormone activity. Mutations in this gene are associated with autosomal recessive distal arthrogryposis, type 5D. This gene has multiple pseudogenes on chromosome 2. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Mar 2014]

ACMG classification

Verdict is Pathogenic. Variant got 11 ACMG points.

• PVS1: Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
• PM2: Very rare variant in population databases, with high coverage
• PP5: Variant 2-232482887-G-C is Pathogenic according to our data. Variant chr2-232482887-G-C is described in ClinVar as [Pathogenic]. Clinvar id is 100651.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr2-232482887-G-C is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
ECEL1	NM_004826.4	c.1649C>G	p.Ser550Ter	stop_gained	10/18	ENST00000304546.6	NP_004817.2
ECEL1	NM_001290787.2	c.1649C>G	p.Ser550Ter	stop_gained	10/18		NP_001277716.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
ECEL1	ENST00000304546.6	c.1649C>G	p.Ser550Ter	stop_gained	10/18	1	NM_004826.4	ENSP00000302051	P4
ECEL1	ENST00000409941.1	c.1649C>G	p.Ser550Ter	stop_gained	9/17	1		ENSP00000386333	A1
ECEL1	ENST00000482346.1	n.1960C>G		non_coding_transcript_exon_variant	9/17	2

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 34

GnomAD4 genome Cov.: 33

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

Submissions by phenotype

Distal arthrogryposis type 5D Pathogenic:1

Pathogenic, no assertion criteria provided

literature only

OMIM

Apr 15, 2013

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.63	D
BayesDel_noAF	Pathogenic	0.66
CADD	Pathogenic	44
DANN	Uncertain	1.0
Eigen	Pathogenic	1.1
Eigen_PC	Pathogenic	0.89
FATHMM_MKL	Pathogenic	1.0	D
MutationTaster	Benign	1.0	A;A
Vest4		0.89
GERP RS		5.3

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

Publications

LitVar

Other links and lift over

dbSNP: rs587777130; hg19: chr2-233347597;