SEMA4D

Chr 9

semaphorin 4D

The protein functions as a cell surface receptor for PLXNB1 and PLXNB2, regulating GABAergic synapse development and promoting inhibitory synapse formation, while also modulating neurite complexity and arborization in hippocampal neurons and promoting cerebellar granule cell migration. SEMA4D mutations cause autosomal dominant neurodevelopmental disorders through loss-of-function mechanisms, as indicated by the gene's extreme intolerance to protein-truncating variants (pLI 0.97) and constraint against missense variation (LOEUF 0.31).

Summary from RefSeq, UniProt
Research Assistant →
0
Active trials
37
Pubs (1 yr)
0
P/LP submissions
P/LP missense
0.31
LOEUF· LoF intol.
Mechanism
Clinical SummarySEMA4D
Population Constraint (gnomAD)
Highly constrained gene — heterozygous loss-of-function variants are very rare in the population (pLI 0.97). One damaged copy is likely sufficient to cause disease.
Some data sources returned errors (1)

ncbi: Error: NCBI fetch failed: 502 https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

LoF intolerant — likely haploinsufficient
LoF Constraint
0.31LOEUF
pLI 0.975
Z-score 4.79
OE 0.16 (0.090.31)
Highly constrained

Highly LoF-intolerant (top ~10% of genes)

Missense Constraint
1.00Z-score
OE missense 0.88 (0.810.95)
460 obs / 524.2 exp
Tolerant

Mild missense constraint

Observed / Expected Ratios
LoF OE0.16 (0.090.31)
00.351.4
Missense OE0.88 (0.810.95)
00.61.4
Synonymous OE0.96
01.21.6
LoF obs/exp: 6 / 37.8Missense obs/exp: 460 / 524.2Syn Z: 0.45

ClinVar Variant Classifications

0 submitted variants in ClinVar

Protein Context — Lollipop Plot

SEMA4D · protein map & ClinVar variants

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

Clinical Trials

Active and recruiting trials from ClinicalTrials.gov

No active trials found for this gene.

Search ClinicalTrials.gov →
Clinical Literature
Open Research Assistant →