Myoclonic epilepsy, juvenile, susceptibility to, 1

disease
On this page

Also known as EJM1

Summary

Myoclonic epilepsy, juvenile, susceptibility to, 1 (MONDO:0020752) is a disease with 1 cohort gene.

At a glance

  • Cohort genes: 1
  • ClinVar variants: 306

Clinical features

No curated clinical features (Orphanet) for this disease.

Identifiers

Disease identifiers

FieldValue
Canonical namemyoclonic epilepsy, juvenile, susceptibility to, 1
Mondo IDMONDO:0020752
UMLSC1850778
MedGen342587
Is cancer (heuristic)no

Also known as: EJM1

Data availability: 306 ClinVar variants.

Disease family

Classification path: disease susceptibility › inherited disease susceptibilitymyoclonic epilepsy, juvenile, susceptibility to, 1

Related subtypes (283): microvascular complications of diabetes, susceptibility, Mycobacterium tuberculosis, susceptibility, bacteremia, susceptibility, pregnancy loss, recurrent, susceptibility, autoimmune thyroid disease, susceptibility to, susceptibility to HIV infection, appendicitis, proneness to, atherosclerosis susceptibility, multiple sclerosis, susceptibility to, dyslexia, susceptibility to, 1, endometriosis, susceptibility to, 1, osteoarthritis susceptibility 2, essential hypertension, genetic, osteoarthritis susceptibility 1, otitis media, susceptibility to, pelvic organ prolapse, susceptibility to, pulmonary edema of mountaineers, susceptibility to, sarcoidosis, susceptibility to, 1, strabismus, susceptibility to, thyrotoxic periodic paralysis, susceptibility to, 1, predisposition to invasive fungal disease due to CARD9 deficiency, celiac disease, susceptibility to, 1, hemolytic uremic syndrome, atypical, susceptibility to, 1, hypervitaminosis a, susceptibility to, kuru, susceptibility to, leprosy, susceptibility to, 3, nonarteritic anterior ischemic optic neuropathy, susceptibility to, diabetes mellitus, insulin-dependent, X-linked, susceptibility to, coronary heart disease, susceptibility to, 3, dyslexia, susceptibility to, 9, systemic lupus erythematosus, susceptibility to, 15, Leber optic atrophy, susceptibility to, dyslexia, susceptibility to, 2, Helicobacter pylori infection, susceptibility to, epilepsy, idiopathic generalized, susceptibility to, 1, inherited susceptibility to asthma, renal dysplasia, cystic, susceptibility to, systemic lupus erythematosus, susceptibility to, 1, leishmaniasis, tegumentary, susceptibility to, xanthomatosis, susceptibility to, hyperlipidemia, combined, 1, urinary tract infections, recurrent, susceptibility to, hypertension, essential, susceptibility to, 1, hepatic fibrosis, severe, susceptibility to, due to Schistosoma mansoni infection, dyslexia, susceptibility to, 3, Ascaris lumbricoides infection, susceptibility to, hypertension, essential, susceptibility to, 2, epilepsy, idiopathic generalized, susceptibility to, 7, systemic lupus erythematosus, susceptibility to, 2, systemic lupus erythematosus, susceptibility to, 3, nephrolithiasis, uric acid, susceptibility to, atrioventricular septal defect, susceptibility to, 2, vitiligo-associated multiple autoimmune disease susceptibility 1, polysubstance abuse, susceptibility to, dyslexia, susceptibility to, 6, glaucoma, normal tension, susceptibility to, anorexia nervosa, susceptibility to, 1, stroke, susceptibility to, 1, dyslexia, susceptibility to, 5, epilepsy, idiopathic generalized, susceptibility to, 2, familial meningioma, celiac disease, susceptibility to, 5, systemic lupus erythematosus with hemolytic anemia, susceptibility to, 1, hypertension, essential, susceptibility to, 3, coronary heart disease, susceptibility to, 1, bulimia nervosa, susceptibility to, 1, leprosy, susceptibility to, 2, epilepsy, idiopathic generalized, susceptibility to, 9, Parkinson disease 11, autosomal dominant, susceptibility to, focal segmental glomerulosclerosis 3, susceptibility to, autoimmune disease, susceptibility to, 1, osteoarthritis susceptibility 3, systemic lupus erythematosus with nephritis, susceptibility to, 1, systemic lupus erythematosus with nephritis, susceptibility to, 2, systemic lupus erythematosus with nephritis, susceptibility to, 3, coronary heart disease, susceptibility to, 2, coronary heart disease, susceptibility to, 4, autoimmune disease, susceptibility to, 2, autoimmune disease, susceptibility to, 3, systemic lupus erythematosus, susceptibility to, 4, myocardial infarction, susceptibility to, major depressive disorder 1, legionnaire disease, susceptibility to, myocardial infarction, susceptibility to, 2, major depressive disorder 2, hypertension, essential, susceptibility to, 4, epilepsy, idiopathic generalized, susceptibility to, 3, myoclonic epilepsy, juvenile, susceptibility to, 3, orofacial cleft 6, susceptibility to, coronary heart disease, susceptibility to, 5, attention deficit-hyperactivity disorder, susceptibility to, 1, attention deficit-hyperactivity disorder, susceptibility to, 2, attention deficit-hyperactivity disorder, susceptibility to, 3, attention deficit-hyperactivity disorder, susceptibility to, 4, Alzheimer disease 9, susceptibility to respiratory infections associated with CD8alpha chain mutation, dyslexia, susceptibility to, 8, autoimmune disease, susceptibility to, 4, hepatitis C virus, susceptibility to, epilepsy, idiopathic generalized, susceptibility to, 4, celiac disease, susceptibility to, 4, celiac disease, susceptibility to, 2, celiac disease, susceptibility to, 3, leprosy, susceptibility to, 1, systemic lupus erythematosus, susceptibility to, 5, systemic lupus erythematosus, susceptibility to, 6, opioid dependence, susceptibility to, 1, systemic lupus erythematosus, susceptibility to, 7, systemic lupus erythematosus, susceptibility to, 8, hypertension, essential, susceptibility to, 5, hypertension, essential, susceptibility to, 6, Parkinson disease 13, autosomal dominant, susceptibility to, West Nile virus, susceptibility to, hepatitis B virus, susceptibility to, Buruli ulcer, susceptibility to, osteoarthritis susceptibility 4, systemic lupus erythematosus, susceptibility to, 9, coronary heart disease, susceptibility to, 7, hypertension, essential, susceptibility to, 7, leprosy, susceptibility to, 4, hypertension, essential, susceptibility to, 8, epilepsy, idiopathic generalized, susceptibility to, 13, coronary heart disease, susceptibility to, 8, myoclonic epilepsy, juvenile, susceptibility to, 4, susceptibility to visceral leishmaniasis, 2, susceptibility to visceral leishmaniasis, 3, celiac disease, susceptibility to, 6, epilepsy, idiopathic generalized, susceptibility to, 5, epilepsy, childhood absence, susceptibility to, 6, celiac disease, susceptibility to, 7, celiac disease, susceptibility to, 8, celiac disease, susceptibility to, 9, celiac disease, susceptibility to, 10, celiac disease, susceptibility to, 11, celiac disease, susceptibility to, 12, celiac disease, susceptibility to, 13, coronary heart disease, susceptibility to, 9, systemic lupus erythematosus, susceptibility to, 10, systemic lupus erythematosus, susceptibility to, 11, systemic lupus erythematosus, susceptibility to, 12, epilepsy, childhood absence, susceptibility to, 5, attention deficit-hyperactivity disorder, susceptibility to, 5, attention deficit-hyperactivity disorder, susceptibility to, 6, systemic lupus erythematosus, susceptibility to, 13, sarcoidosis, susceptibility to, 2, sarcoidosis, susceptibility to, 3, osteoarthritis susceptibility 5, osteoarthritis susceptibility 6, focal segmental glomerulosclerosis 4, susceptibility to, epilepsy, idiopathic generalized, susceptibility to, 8, herpes simplex encephalitis, susceptibility to, 2, attention deficit-hyperactivity disorder, susceptibility to, 7, epilepsy, idiopathic generalized, susceptibility to, 10, pelvic organ prolapse, susceptibility to, 2, systemic lupus erythematosus, susceptibility to, 14, leprosy, susceptibility to, 5, thyrotoxic periodic paralysis, susceptibility to, 2, hearing loss, cisplatin-induced, susceptibility to, susceptibility to mononeuropathy of the median nerve, mild, fatty liver disease, nonalcoholic, susceptibility to, 2, leprosy, susceptibility to, 6, autoimmune disease, susceptibility to, 6, Parkinson disease 5, autosomal dominant, susceptibility to, aspergillosis, susceptibility to, sick sinus syndrome 3, susceptibility to, Parkinson disease 18, autosomal dominant, susceptibility to, epilepsy, juvenile myoclonic, susceptibility to, 9, dengue virus, susceptibility to, coronary heart disease, susceptibility to, 6, podoconiosis, susceptibility to, peripartum cardiomyopathy, susceptibility to, influenza, severe, susceptibility to, thyrotoxic periodic paralysis, susceptibility to, 3, human herpesvirus 8, susceptibility to, epilepsy, idiopathic generalized, susceptibility to, 12, herpes simplex encephalitis, susceptibility to, 3, herpes simplex encephalitis, susceptibility to, 4, pulmonary hypertension, neonatal, susceptibility to, craniosynostosis 5, susceptibility to, melioidosis, susceptibility to, chronic mountain sickness, susceptibility to, herpes simplex encephalitis, susceptibility to, 7, epilepsy, idiopathic generalized, susceptibility to, 14, hereditary neoplastic syndrome, autosomal recessive Mendelian susceptibility to mycobacterial diseases due to partial IFNgammaR1 deficiency, autosomal recessive Mendelian susceptibility to mycobacterial diseases due to partial IFNgammaR2 deficiency, susceptibility to localized juvenile periodontitis, inherited susceptibility to mycobacterial diseases, neural tube defects, susceptibility to, multiple system atrophy 1, susceptibility to, nephrolithiasis susceptibility caused by SLC26A1, epilepsy, childhood absence, susceptibility to, 1, autism, susceptiblity to, susceptibility to visceral leishmaniasis, 1, malaria, susceptibility to, spondyloarthropathy, susceptibility to, herpes simplex encephalitis, susceptibility to, 1, epilepsy, idiopathic generalized, susceptibility to, 18, epilepsy, idiopathic generalized, susceptibility to, 15, hepatitis, fulminant viral, susceptibility to, epilepsy, idiopathic generalized, susceptibility to, 16, autosomal recessive mendelian susceptibility to mycobacterial diseases due to partial jak1 deficiency, aortic aneurysm, familial thoracic 11, susceptibility to, craniosynostosis 7, amyotrophic lateral sclerosis, susceptibility to, 24, amyotrophic lateral sclerosis, susceptibility to, 25, epilepsy, juvenile myoclonic, susceptibility to, 10, susceptibility to angioedema induced by ACE inhibitors, epidermodysplasia verruciformis, susceptibility to, exfoliation syndrome, susceptibility to, basal cell carcinoma, susceptibility to, graft-versus-host disease, susceptibility to, narcolepsy, susceptibility to, pulmonary disease, chronic obstructive, susceptibility to, restless legs syndrome, susceptibility to, psoriasis, susceptibility to, age related macular degeneration, susceptibility to, allergic rhinitis, susceptibility to, dermatitis, atopic, susceptibility to, Hirschsprung disease, susceptibility to, diabetes mellitus, ketosis-prone, schizophrenia, susceptibility to, radioulnar synostosis, nonsyndromic, susceptibility to, lumbar disk herniation, susceptibility to, lumbar disk degeneration, susceptibility to, psoriatic arthritis, susceptibility to, migraine with or without aura, susceptibility to, Alzheimer disease, susceptibility to, mitochondrial, Asperger syndrome, susceptibility to, tobacco addiction, susceptibility to, lipodystrophy, partial, acquired, susceptibility to, Graves disease, susceptibility to, 1, epilepsy, idiopathic generalized, susceptibility to, 17, breast-ovarian cancer, familial, susceptibility to, blepharospasm, benign essential, susceptibility to, hemorrhage, intracerebral, susceptibility to, IgA nephropathy, susceptibility to, hemolytic uremic syndrome, atypical, susceptibility to, 7, vitiligo-associated multiple autoimmune disease susceptibility 6, delayed sleep phase syndrome, susceptibility to, encephalitis, acute, infection-induced, susceptibility to, malignant hyperthermia, susceptibility to, multicentric Castleman disease, susceptibility to, pelvic organ prolapse, susceptibility to, 1, amyotrophic lateral sclerosis, susceptibility to, 13, Graves disease, susceptibility to, X-linked 2, autoimmune thyroid disease, susceptibility to, 5, atrioventricular septal defect, susceptibility to, 1, epilepsy, juvenile myoclonic, susceptibility to, 6, autoimmune disease, susceptibility to, 5, epilepsy, idiopathic generalized, susceptibility to, 6, seasonal affective disorder, susceptibility to, ventricular fibrillation during myocardial infarction, susceptibility to, UV-induced skin damage, susceptibility to, antisocial behavior, susceptibility to, aplastic anemia, susceptibility to, cardiomyopathy, familial hypertrophic, 4, susceptibility to, cirrhosis, noncryptogenic, susceptibility to, coronary artery disease, severe, susceptibility to, dengue fever, susceptibility to, dengue hemorrhagic fever, susceptibility to, dengue shock syndrome, susceptibility to, dyslexia, susceptibility to, 4, dyslexia, susceptibility to, 7, efavirenz central nervous system toxicity, susceptibility to, obesity, susceptibility to, bleeding disorder, platelet-type, 13, susceptibility to, Schistosoma mansoni infection, susceptibility/resistance to, Parkinson disease 24, autosomal dominant, susceptibility to, iron overload, susceptibility to, hydrocephalus, congenital, 5, susceptibility to, hearing loss, noise-induced, susceptibility to, hyperemesis gravidarum, susceptibility to, Parkinson disease 26, autosomal dominant, susceptibility to, epilepsy, idiopathic generalized, susceptibility to, 19, polycystic kidney disease 9, susceptibility to, rhabdomyolysis, susceptibility to, scoliosis, isolated, susceptibility to, dystonia 38, susceptibility to, gallbladder disease 4, epilepsy, juvenile absence, susceptibility to, GBA1-related Parkinson disease, susceptibility, SH2B3-related immune system disorder

Genetics & variants

GWAS landscape

No GWAS associations recorded — common-variant (GWAS) studies don’t cover this disease (typical for Mendelian / rare diseases). See the curated gene cohort and Mendelian overlap below.

Variant details and genetic-evidence tiers

ClinVar germline variants

306 retrieved; paginated sample, class counts are floors:

181 uncertain significance, 75 likely benign, 24 conflicting classifications of pathogenicity, 16 benign/likely benign, 7 benign, 2 risk factor, 1 no classifications from unflagged records

ClinVarVariant (HGVS)GeneClassificationReview
2066NM_018100.4(EFHC1):c.757G>T (p.Asp253Tyr)EFHC1risk factorno assertion criteria provided
2070NM_018100.4(EFHC1):c.883C>T (p.Gln295Ter)EFHC1risk factorno assertion criteria provided
1033463NM_018100.4(EFHC1):c.1640+19G>CEFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
128963NM_018100.4(EFHC1):c.1385T>C (p.Ile462Thr)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
128964NM_018100.4(EFHC1):c.1812A>C (p.Glu604Asp)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
128965NM_018100.4(EFHC1):c.1852-6C>GEFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
128971NM_018100.4(EFHC1):c.90G>A (p.Thr30=)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
137196NM_018100.4(EFHC1):c.1587G>A (p.Ala529=)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
193726NM_018100.4(EFHC1):c.1675T>C (p.Leu559=)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
205378NM_018100.4(EFHC1):c.547G>A (p.Val183Ile)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
205383NM_018100.4(EFHC1):c.661C>T (p.Arg221Cys)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
205388NM_018100.4(EFHC1):c.731G>A (p.Arg244Gln)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
205389NM_018100.4(EFHC1):c.779G>A (p.Arg260Gln)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
205396NM_018100.4(EFHC1):c.89C>T (p.Thr30Met)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
205398NM_018100.4(EFHC1):c.151C>T (p.Arg51Trp)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
205401NM_018100.4(EFHC1):c.1057C>T (p.Arg353Trp)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
205402NM_018100.4(EFHC1):c.1058G>A (p.Arg353Gln)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
205403NM_018100.4(EFHC1):c.1114C>T (p.Arg372Trp)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
205416NM_018100.4(EFHC1):c.1856T>G (p.Ile619Ser)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
205418NM_018100.4(EFHC1):c.22G>C (p.Gly8Arg)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
2064NM_018100.4(EFHC1):c.685T>C (p.Phe229Leu)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
286058NM_018100.4(EFHC1):c.564A>G (p.Gln188=)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
287376NM_018100.4(EFHC1):c.1820A>G (p.Asn607Ser)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
402820NM_018100.4(EFHC1):c.544C>T (p.Arg182Cys)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
447311NM_018100.4(EFHC1):c.15C>T (p.Pro5=)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
833745NM_018100.4(EFHC1):c.1667T>C (p.Val556Ala)EFHC1Conflicting classifications of pathogenicitycriteria provided, conflicting classifications
2067NM_018100.3(EFHC1):c.[229C>A;662G>A]Uncertain significanceno assertion criteria provided
1000342NC_000006.11:g.(?52329683)(52334281_?)delEFHC1Uncertain significancecriteria provided, single submitter
1001394NM_018100.4(EFHC1):c.1228A>G (p.Ile410Val)EFHC1Uncertain significancecriteria provided, single submitter
1004112NM_018100.4(EFHC1):c.1055G>A (p.Arg352Gln)EFHC1Uncertain significancecriteria provided, single submitter

Genes & proteins

Mendelian disease overlap and somatic drivers

GenCC: 0 · Orphanet: 2 · OMIM-shared: 0 · Dual-evidence (GWAS+Mendelian): 0

Orphanet rare-disease linkage (cohort genes)

GeneOrphanet IDRare disease
EFHC1Orphanet:1941Juvenile absence epilepsy
EFHC1Orphanet:307Juvenile myoclonic epilepsy

Cohort genes → proteins

1 cohort genes, 1 distinct canonical proteins.

Evidence partition

SubsetGenes
multi_evidence1

Cohort genes (full)

SymbolHGNCEnsemblUniProtNameEvidence
EFHC1HGNC:16406ENSG00000096093Q5JVL4EF-hand domain-containing protein 1clinvar

Cohort function summary

Lead sentence per gene, UniProt-curated.

SymbolProtein nameFunction (lead sentence)
EFHC1EF-hand domain-containing protein 1Microtubule inner protein (MIP) part of the dynein-decorated doublet microtubules (DMTs) in cilia axoneme, which is required for motile cilia beating.

Protein-family classification

Druggable: 0 · Difficult: 0 · Unknown: 1 · Druggable fraction: 0.0

Family distribution

Cohort families vs a genome-wide background (hypergeometric, BH-FDR; fold = observed/expected). Counts kept; sorted by enrichment, so the catch-all Other/Unknown bucket no longer leads.

FamilyGenesFoldFDR
Other/Unknown11.8×0.558

Per-gene assignment

SymbolFamilyDruggable?ECInterPro (top 3)
EFHC1Other/UnknownnoEF_hand_dom, DM10_dom, EF-hand-dom_pair

Expression context

Cohort genes with no expression data: 0.

1 cohort gene are a single-cell marker in ≥1 SCXA experiment.

Breadth distribution (Bgee present_calls)

BucketGenes
narrow (1-5 tissues)0
moderate (6-20)0
broad (>20)1
unknown0

Top tissues across cohort

TissueCohort genes
bronchial epithelial cell1
bronchus1
epithelium of bronchus1

Per-gene tissue summary (top 30)

SymbolBgee breadthFANTOM5 breadthSCXATop tissues
EFHC1272ubiquitousmarkerbronchial epithelial cell, epithelium of bronchus, bronchus

Protein interactions among cohort

Intra-cohort edges: 0.

Hub genes (top 10 by interactor count)

SymbolInteractor count
EFHC12,470

Structural data

PDB: 1 · AlphaFold-only: 0 · No structure: 0

Cohort genes with PDB structures (top 30)

SymbolUniProtPDB entries
EFHC1Q5JVL42

Function

Pathway analysis

Distinct Reactome pathways touched by cohort: 0. Enrichment computed across 1 evidence-associated genes (0 with Reactome annotation).

GO biological processes by enrichment

Over-representation of cohort genes vs the genome-wide background (hypergeometric test, Benjamini-Hochberg FDR; fold = observed/expected over 1 annotated cohort genes). Counts and members are kept as ground-truth; sorted by enrichment.

GO termCohort genesFoldFDRSample cohort genes
cerebral cortex cell migration11532.0×0.002EFHC1
cilium-dependent cell motility11404.3×0.002EFHC1
regulation of cell division1766.0×0.003EFHC1
mitotic spindle organization1271.8×0.005EFHC1
mitotic cytokinesis1259.3×0.005EFHC1
flagellated sperm motility1117.0×0.009EFHC1

Therapeutics

Drug target analysis

Approved (phase 4): 0 · Phase ≥3: 0 · Phased (≥1): 0 · Undrugged: 1

Druggability breadth: 0 of 1 evidence-associated genes (0%) have a ChEMBL target (buckets above are over the deeply-mined display cohort).

Top cohort targets by molecule count

SymbolMoleculesMax phase
EFHC100

Bioactivity and enzyme data

Enzyme cohort genes (≥1 EC): 0.

Pharmacogenomics

Cohort genes with a PharmGKB record: 1; with CPIC/DPWG dosing guidelines: 0.

No cohort gene has a CPIC/DPWG genotype-guided dosing guideline (PharmGKB).

Chemical tractability of cohort targets

0 approved/phased compounds have measured bioactivity against a cohort gene (and aren’t yet in disease-level trials). This is a research / tractability signal, NOT a therapeutic recommendation — a bioactivity row often reflects off-target or screening binding (e.g. promiscuous kinase inhibitors against a cohort kinase), implying no disease mechanism.

Druggability pyramid

Cohort genes binned by druggability tier (high → low):

TierDefinitionGenesSymbols
AApproved (phase 4 drug)0
BPhased (≥1) drug, not yet approved0
CDruggable family + PDB, no drug0
DDruggable family + AlphaFold only, no drug0
EDifficult family or no structure, no drug1EFHC1

Undrugged target profiles

1 cohort genes are undrugged. Ranked by ‘starting-point quality’ (assay depth + drugged-partner adjacency).

SymbolChEMBL assaysDrugged partners (top 3)
EFHC10

Clinical trials & evidence

Clinical trials

Clinical trials: 0.