SS18L2

Chr 3

SS18 like 2

Also known as: KIAA-iso

SS18L2 encodes a protein homologous to SS18, which is involved in chromosomal translocations in synovial sarcomas. Currently, no specific diseases have been definitively associated with SS18L2 mutations in the medical literature. The gene shows tolerance to loss-of-function variants (pLI 0.015, LOEUF 1.6), suggesting haploinsufficiency may not be pathogenic.

OMIMResearchSummary from RefSeq
Multiplemechanism
Clinical SummarySS18L2
📋
ClinVar Variants
7 unique Pathogenic / Likely Pathogenic· 12 VUS of 25 total submissions
Some data sources returned errors (1)

gnomad: TimeoutError: The operation was aborted due to timeout

Population Genetics & Constraint

Constraint data not available from gnomAD.

DN
0.78top 25%
GOF
0.80top 10%
LOF
0.2971th %ile

This gene has evidence for multiple mechanisms of pathogenicity (gain-of-function and dominant-negative). Both the Badonyi & Marsh prediction and the broader genomic evidence point to gain-of-function as the predominant mechanism. Different variants in this gene may act through different mechanisms — interpret in context of the specific variant.

GOFprediction above median
DNprediction above median

Note: In-silico variant effect predictors (SIFT, PolyPhen, REVEL, CADD) may underestimate pathogenicity of missense variants in genes with GOF or DN mechanisms. Consider functional evidence and clinical context.

Predictions from Badonyi M, Marsh JA. PLoS ONE. 2024;19(8):e0307312.

ClinVar Variant Classifications

25 submitted variants in ClinVar

Classification Summary

Pathogenic6
Likely Pathogenic1
VUS12
6
Pathogenic
1
Likely Pathogenic
12
VUS

Curated Variants Distribution

Classified variants from ClinVar · 5 ACMG categories

ClassificationLoFMissense + InframeNon-codingSynonymousTotal
Pathogenic
0
0
6
0
6
Likely Pathogenic
0
0
1
0
1
VUS
0
9
3
0
12
Likely Benign
0
0
0
0
0
Benign
0
0
0
0
0
Total0910019

LoF = frameshift, stop gained/lost, canonical splice · Counts from ClinVar esearch · Updated hourly

View in ClinVar →

Protein Context — Lollipop Plot

SS18L2 · protein map & ClinVar variants

Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.

3D Protein StructureAlphaFold

Clinical Trials

Active and recruiting trials from ClinicalTrials.gov

No active trials found for this gene.

Search ClinicalTrials.gov →
Clinical Literature
Open Research Assistant →
Key Publications
Landmark & review papers · by relevance
PubMed
Top 1 results · since 2015Search PubMed ↗
Recent Gene-Specific Literature
Gene in title · MEDLINE · newest first
Europe PMC

No open access results found