Pharmacology
All Targets
7-TM Receptors
Ion Channels
Nuclear Receptors
Enzyme-Linked Receptors
Transporters
Enzymes
Other Pharmacology
Cellular Processes
Angiogenesis
Apoptosis
Cell Cycle
Cell Metabolism
Cytoskeleton & Motor Proteins
ECM & Adhesion Molecules
Epigenetics 
Signal Transduction
Stem Cells
Signaling Pathways
Product Type
All Products
New Products
Small Molecules
Peptides
Controlled Substances
Toxins
Caged Compounds
Fluorescent Probes
Screening Libraries
Ligand Sets
Other Product Types
Research Area
Cancer
Cardiovascular System
Endocrinology
Immunology
Neuroscience
Pain & Inflammation
Respiratory System
Signal Transduction
Stem Cells
Signaling Pathways
Product Type
All Products
New Products
Small Molecules
Peptides
Controlled Substances
Toxins
Caged Compounds
Fluorescent Probes
Screening Libraries
Ligand Sets
Other Product Types
Research Area
Cancer
Cardiovascular System
Endocrinology
Immunology
Neuroscience
Pain & Inflammation
Respiratory System
Sigma Receptors
Sigma receptors were initially thought to be the phencyclidine binding site on the NMDA receptor complex or a type of opioid receptor. They have since been distinguished from these two receptors and two subtypes of sigma receptors are now known; σ1 and σ2. σ1 and σ2 are distinguished by their stereoselectivity for pentazocine, SK&F 10047 and cyclazocine and have different tissue distribution patterns and subcellular localizations.
Sigma Receptor Target Files
Related Categories
Quick Order
Find multiple products by catalog number
New Product E-alerts
Sign up for email updates from Tocris
Twitter Updates
Follow @Tocris on Twitter
Tocris is now actively tweeting. For regular updates on news, events and special offers, follow @Tocris on Twitter.