PSD-95 Antibody

About the Target

PSD95 is a target of interest in many antibody-based workflows. PSD-95 (Postsynaptic Density Protein 95) is a critical scaffolding protein located in the postsynaptic density (PSD) of excitatory synapses, where it plays a central role in organizing and stabilizing the complex network of proteins essential for synaptic function. As a member of the membrane-associated guanylate kinase (MAGUK) family, PSD-95 features multiple protein interaction domains, including three PDZ domains, an SH3 domain, and a guanylate kinase-like domain, which allow it to bind and cluster neurotransmitter receptors, signalling molecules, and cytoskeletal components. Depending on the literature source, PSD95 may also be discussed as PSD-95 and Post Synaptic Density Protein 95.

Reported cellular context includes cell membrane, cell projection, cytoplasm, and membrane, which can matter when signal is compared across treatments or changing cell states. Following PSD95 across matched perturbations can help separate abundance effects from shifts in localization, complex assembly, or pathway state.

Research Context

PSD95 is commonly interpreted in the context of neuroscience and cell signaling research, and readouts are often stronger when a study separates expression changes from compartment-level redistribution. When reported signal spans cell membrane, cell projection, and cytoplasm, a defined reference condition can make comparisons more interpretable across perturbations, passages, or replicate sets.

Consider these angles when interpreting target-level changes:

• apparent redistribution between cell membrane, cell projection, and cytoplasm across matched conditions
• compartment-specific patterns relevant to neuronal polarity, transport, or synaptic context
• signal-dependent shifts after ligand, inhibitor, or growth-factor perturbation
• co-patterning with orthogonal markers and control conditions that clarify pathway state

Variant Considerations

If your project spans exploratory questions, the regular version offers a balanced option for establishing baseline signal behavior for PSD95. This can help when protocols evolve over time and the goal is to compare experiments using a stable reference workflow.

Standardize sampling time, control choice, and downstream analysis thresholds so apparent differences in PSD95 reflect biology rather than handling. When interpreting PSD95, it is often useful to decide early whether the main question is overall abundance, compartmental enrichment, or context-dependent redistribution.

For multi-run studies, a shared reference condition can keep PSD95 trends easier to compare across datasets. That kind of consistency is especially helpful when follow-up work expands to new perturbations, model systems, or longitudinal collections.