SAMD9L-associated autoinflammatory syndrome

Summary

SAMD9L-associated autoinflammatory syndrome (MONDO:0850066) is a disease with 1 cohort gene.

At a glance

• Prevalence: <1 / 1 000 000 (Worldwide) [Orphanet-validated]
• Cohort genes: 1
• ClinVar variants: 1

Clinical features

Epidemiology

Prevalence records

2 prevalence record(s), Orphanet:

Type	Class	Value	Geography	Validation
Cases/families		6	Worldwide	Validated
Point prevalence	<1 / 1 000 000		Worldwide	Validated

Identifiers

Disease identifiers

Field	Value
Canonical name	SAMD9L-associated autoinflammatory syndrome
Mondo ID	MONDO:0850066
Orphanet	619367
UMLS	C5680414
MedGen	1842521
GARD	0022463
Is cancer (heuristic)	no

Data availability: 1 ClinVar variant.

Disease family

Classification path: disease › human disease › disease by body system or component › syndromic disease › autoinflammatory syndrome › SAMD9L-associated autoinflammatory syndrome

Related subtypes (36): cherubism, chronic recurrent multifocal osteomyelitis, Pelger-Huet-like anomaly and episodic fever with abdominal pain, pyogenic arthritis-pyoderma gangrenosum-acne syndrome, psoriasis 14, pustular, autoinflammation-PLCG2-associated antibody deficiency-immune dysregulation, periodic fever syndrome, infantile onset panniculitis with uveitis and systemic granulomatosis, idiopathic recurrent pericarditis, pyoderma gangrenosum-acne-suppurative hidradenitis syndrome, neonatal inflammatory skin and bowel disease, magic syndrome, autoinflammatory syndrome with pyogenic bacterial infection and amylopectinosis, Schnitzler syndrome, PFAPA syndrome, pyoderma gangrenosum, SAPHO syndrome, sarcoidosis, adult-onset Still disease, systemic-onset juvenile idiopathic arthritis, VEXAS syndrome, autoinflammatory syndrome, familial, Behcet-like, CEBPE-associated autoinflammation-immunodeficiency-neutrophil dysfunction syndrome, type 1 interferonopathy, autoinflammatory disease, X-linked, autoinflammatory syndrome with immunodeficiency, early-onset pulmonary and cutaneous vasculitis, autoinflammatory syndrome due to TBK1 deficiency, F12-associated cold autoinflammatory syndrome, neonatal-onset severe multisystemic autoinflammatory disease with increased IL18, autoinflammatory syndrome of childhood, autoinflammatory disease, systemic, with vasculitis, granulomatous autoinflammatory syndrome of childhood, autoinflammatory disease, multisystem, with immune dysregulation, X-linked, PAPASH syndrome, Sharpin-related autoinflammatory syndrome

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

1 retrieved; paginated sample, class counts are floors:

1 conflicting classifications of pathogenicity

ClinVar	Variant (HGVS)	Gene	Classification	Review
3645795	NM_152703.5(SAMD9L):c.2640del (p.His880fs)	SAMD9L	Conflicting classifications of pathogenicity	criteria provided, conflicting classifications

Genes & proteins

Mendelian disease overlap and somatic drivers

GenCC: 0 · Orphanet: 3 · OMIM-shared: 0 · Dual-evidence (GWAS+Mendelian): 0

Orphanet rare-disease linkage (cohort genes)

Gene	Orphanet ID	Rare disease
SAMD9L	Orphanet:2585	Ataxia-pancytopenia syndrome
SAMD9L	Orphanet:619367	SAMD9L-associated autoinflammatory syndrome
SAMD9L	Orphanet:631106	Spinocerebellar ataxia type 49

Cohort genes → proteins

1 cohort genes, 1 distinct canonical proteins.

Evidence partition

Subset	Genes
multi_evidence	1

Cohort genes (full)

Symbol	HGNC	Ensembl	UniProt	Name	Evidence
SAMD9L	HGNC:1349	ENSG00000177409	Q8IVG5	Sterile alpha motif domain-containing protein 9-like	clinvar

Cohort function summary

Lead sentence per gene, UniProt-curated.

Symbol	Protein name	Function (lead sentence)
SAMD9L	Sterile alpha motif domain-containing protein 9-like	May be involved in endosome fusion.

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.

Family	Genes	Fold	FDR
Other/Unknown	1	1.8×	0.558

Per-gene assignment

Symbol	Family	Druggable?	EC	InterPro (top 3)
SAMD9L	Other/Unknown	no		SAM, SAM/pointed_sf

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)

Bucket	Genes
narrow (1-5 tissues)	0
moderate (6-20)	0
broad (>20)	1
unknown	0

Top tissues across cohort

Tissue	Cohort genes
buccal mucosa cell	1
leukocyte	1
pancreatic ductal cell	1

Per-gene tissue summary (top 30)

Symbol	Bgee breadth	FANTOM5 breadth	SCXA	Top tissues
SAMD9L	231	ubiquitous	marker	pancreatic ductal cell, buccal mucosa cell, leukocyte

Protein interactions among cohort

Intra-cohort edges: 0.

Hub genes (top 10 by interactor count)

Symbol	Interactor count
SAMD9L	1,608

Structural data

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

AlphaFold-only cohort genes (top 30 by pLDDT)

Symbol	UniProt	pLDDT
SAMD9L	Q8IVG5	83.85

Function

Pathway analysis

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

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

Symbol	Molecules	Max phase
SAMD9L	0	0

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):

Tier	Definition	Genes	Symbols
A	Approved (phase 4 drug)	0
B	Phased (≥1) drug, not yet approved	0
C	Druggable family + PDB, no drug	0
D	Druggable family + AlphaFold only, no drug	0
E	Difficult family or no structure, no drug	1	SAMD9L

Undrugged target profiles

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

Symbol	ChEMBL assays	Drugged partners (top 3)
SAMD9L	0	—

Clinical trials & evidence

Clinical trials

Clinical trials: 0.