SIPA1L2
Chr 1signal induced proliferation associated 1 like 2
0
ClinVar variants
0
Pathogenic / LP
0.99
pLI score· haploinsufficient
0
Active trials
Clinical Summary— SIPA1L2
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Population Constraint (gnomAD)
Highly constrained gene — heterozygous loss-of-function variants are very rare in the population (pLI 0.99). One damaged copy is likely sufficient to cause disease.
Some data sources returned errors (1)
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Population Genetics & Constraint
gnomAD v4 — loss-of-function & missense intolerance
LoF intolerant — likely haploinsufficient
LoF Constraint?LOEUF (Loss-of-function Observed/Expected Upper bound Fraction) is the upper bound of the 90% CI for LoF OE — the preferred gnomAD v4 metric. Lower = more intolerant to LoF. LOEUF < 0.35 = highly constrained.
0.29LOEUF
pLI 0.992
Z-score 6.60
OE 0.18 (0.12–0.29)
Highly LoF-intolerant (top ~10% of genes)
Missense Constraint?Missense Z-score: standard deviations fewer missense variants observed vs. expected. Z > 3.09 (p < 0.001) = gene does not tolerate missense variation. OE missense < 0.6 is also considered constrained.
1.46Z-score
OE missense 0.87 (0.82–0.92)
877 obs / 1007.5 exp
Mild missense constraint
Observed / Expected Ratios?Shaded band = 90% confidence interval. Vertical tick = point estimate. Grey threshold line = gnomAD constraint cutoff for that variant class.
LoF OE?Ratio of observed to expected LoF variants. Upper CI bound (LOEUF) ≤ 0.35 = strong LoF constraint signal.0.18 (0.12–0.29)
0≤0.351.4
Missense OE?Ratio of observed to expected missense variants. OE ≤ 0.6 = fewer missense variants than expected by chance.0.87 (0.82–0.92)
0≤0.61.4
Synonymous OE?Control metric — synonymous variants are largely neutral and expected near OE = 1.0. Significant deviation may indicate annotation issues.1.06
0≤1.21.6
LoF obs/exp: 14 / 76.2Missense obs/exp: 877 / 1007.5Syn Z: -1.01
ClinVar Variant Classifications
0 submitted variants in ClinVar
Protein Context — Lollipop Plot
SIPA1L2 · protein map & ClinVar variants
Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.
OMIM — Genotype-Phenotype Relationships
1 OMIM entry
SIPA1-LIKE PROTEIN 2; SIPA1L2
MIM #611609 · *
External Resources
Links to major genomics databases and tools
Variant Interpretation
Population Databases
Gene Resources
Expert Curation
ClinGen
Expert-curated gene-disease validity
GenCC
Gene Curation Coalition — multi-curator classifications
Orphanet
Rare disease encyclopedia and gene-disease associations
PanelApp
Gene panels for rare disease diagnostics (Genomics England)
LOVD
Leiden Open Variation Database — variant listings
GeneReviews
Expert-authored summaries of heritable conditions (NCBI)
Clinical Literature
Landmark / reviewRecent case evidence
Recent Gene-Specific Literature
Gene in title · MEDLINE · newest first
Testing SIPA1L2 as a modifier of CMT1A using mouse models.
Murray GC et al.·J Neuropathol Exp Neurol
2024Functional
SIPA1L2 controls trafficking and local signaling of TrkB-containing amphisomes at presynaptic terminals.
Andres-Alonso M et al.·Nat Commun
2019🔓 Open Access
Variation in SIPA1L2 is correlated with phenotype modification in Charcot- Marie- Tooth disease type 1A.
Tao F et al.·Ann Neurol
2019
Association analyses of variants of SIPA1L2, MIR4697, GCH1, VPS13C, and DDRGK1 with Parkinson's disease in East Asians.
Zou M et al.·Neurobiol Aging
2018
Top 5 resultsSearch Europe PMC ↗
Clinical Trials
Active and recruiting trials from ClinicalTrials.gov
No active trials found for this gene.
Search ClinicalTrials.gov →External Resources
Links to major genomics databases and tools
Variant Interpretation
Population Databases
Gene Resources
Expert Curation
ClinGen
Expert-curated gene-disease validity
GenCC
Gene Curation Coalition — multi-curator classifications
Orphanet
Rare disease encyclopedia and gene-disease associations
PanelApp
Gene panels for rare disease diagnostics (Genomics England)
LOVD
Leiden Open Variation Database — variant listings
GeneReviews
Expert-authored summaries of heritable conditions (NCBI)