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General description
Disks large homolog 4 (UniProt: P78352; also known as Postsynaptic density protein 95, PSD-95, Synapse-associated protein 90, SAP-90, SAP90) is encoded by the DLG4 (also known as PSD95) gene (Gene ID: 1742) in human. PSD-95 is a postsynaptic scaffolding protein that plays a critical role in synaptogenesis and synaptic plasticity by providing a platform for the postsynaptic clustering of crucial synaptic proteins. High levels of PSD-95 are observed in postsynaptic density of neurons in the forebrain. It is also present in the presynaptic region of inhibitory synapses formed by cerebellar basket cells on axon hillocks of Purkinje cells. It interacts with the cytoplasmic tail of NMDA receptor subunits and shaker-type potassium channels. It is required for synaptic plasticity associated with NMDA receptor signaling. Overexpression or depletion of DLG4 gene is reported to change the ratio of excitatory to inhibitory synapses in hippocampal neurons. PSD-95 undergoes palmitoylation by DHHC-type palmitoyltransferase 2 (ZDHHC2), which is required for targeting to postsynaptic density, plasma membrane and synapses. Palmitoylation may play a role in glutamate receptor GRIA1 synapse clustering. PSD-95 is reported to undergo rapid synaptic palmitoylation/depalmitoylation cycles during neuronal development. This ZooMAb® recombinant monoclonal antibody, generated by our propriety technology, offers significantly enhanced specificity, affinity, reproducibility, and stability over conventional monoclonals. (Ref.: Jeong, J., et al. (2019). Proc. Natl. Acad. Sci. USA. 116(24); 12035-12044).
We are committed to bringing you greener alternative products, which adhere to one or more of The 12 Principles of Green Chemistry.This antibody is Preservative-free, produced without the harm or sacrifice of animals and exceptionally stable to allow for ambient shipping and storage if needed and thus aligns with "Waste Prevention", "Designing Safer Chemicals" and "Design for Energy Efficiency". Click here for more information.
ZooMAb® antibodies represent an entirely new generation of recombinant monoclonal antibodies.
Each ZooMAb® antibody is manufactured using our proprietary recombinant expression system, purified to homogeneity, and precisely dispensed to produce robust and highly reproducible lot-to-lot consistency. Only top-performing clones are released for use by researchers. Each antibody is validated for high specificity and affinity across multiple applications, including its most commonly used application. ZooMAb® antibodies are reliably available and ready to ship when you need them.
Learn more about ZooMAb here.
Immunogen
Fusion protein corresponding to 223 amino acids from N-terminal half of human PSD-95.
Application
Quality Control Testing
Evaluated by Western Blotting in Mouse brain tissue lysate.
Western Blotting Analysis: A 1:50,000 dilution of this antibody detected PSD95 in Mouse brain tissue lysate.
Tested applications
Western Blotting Analysis: A 1:50,000 dilution from a representative lot detected PSD95 in Rat Brain, Human Brain, Human Hippocampus Membrane, Mouse Brain Membrane, Rat Brain Microsomes, and SH-SY5Y cell lysates.
Immunohistochemistry (Paraffin) Analysis: A 1:100 dilution from a representative lot detected PSD95 in rat brain tissue sections.
Immunofluorescence Analysis: A 1:100 dilution from a representative lot detected PSD95 in rat brain tissue sections.
Flow Cytometry Analysis: 1 μg from a representative lot detected PSD95 in one million SH-SY5Y cells.
Note: Actual optimal working dilutions must be determined by end user as specimens, and experimental conditions may vary with the end user
Anti-PSD95, clone K28/43 ZooMAb®, Cat. No. ZMS1068, is a recombinant Mouse monoclonal antibody that targets PSD95 and is tested for use in in Flow Cytometry, Immunofluorescence, Immunohistochemistry (Paraffin), and Western Blotting.
Biochem/physiol Actions
Clone K28/43 is a ZooMAb® mouse recombinant monoclonal antibody that specifically detects Postsynaptic density protein 95. It targets an epitope within PDZ domains 1 and 2.
Physical form
Purified recombinant mouse monoclonal antibody IgG, lyophilized in PBS, 5% Trehalose, normal appearance a coarse or translucent resin. The PBS/trehalose components in the ZooMAb formulation can have the appearance of a semi-solid (bead like gel) after lyophilization. This is a normal phenomenon. Please follow the recommended reconstitution procedure in the data sheet to dissolve the semi-solid, bead-like, gel-appearing material. The resulting antibody solution is completely stable and functional as proven by full functional testing. Contains no biocide or preservatives, such as azide, or any animal by-products. Larger pack sizes provided as multiples of 25 μL.
Preparation Note
Recommend storage of lyophilized product at 2-8°C; Before reconstitution, micro-centrifuge vials briefly to spin down material to bottom of the vial; Reconstitute each vial by adding 25 μL of filtered lab grade water or PBS; Reconstituted antibodies can be stored at 2-8°C, or -20°C for long term storage. Avoid repeated freeze-thaws.
Reconstitute lyophilized antibody pellet with 25μL of ultrapure water or Phosphate Buffered Saline (PBS). Please refer to our reconstitution protocol and the specific application guidance on the suggested starting dilutions and sample type.
Legal Information
ZooMAb is a registered trademark of Merck KGaA, Darmstadt, Germany
Disclaimer
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
| biological source | mouse |
| Quality Level | 200 |
| recombinant | expressed in HEK 293 cells |
| conjugate | unconjugated |
| antibody form | purified antibody |
| antibody product type | primary antibodies |
| clone | K28/43, recombinant monoclonal |
| product line | ZooMAb® learn more |
| form | lyophilized |
| mol wt | calculated mol wt 80.5 kDa,observed mol wt ~80 kDa |
| species reactivity | mouse, rat, human |
| packaging | antibody small pack of 25 μL |
| greener alternative product characteristics | Waste Prevention Designing Safer Chemicals Design for Energy Efficiency Learn more about the Principles of Green Chemistry. |
| enhanced validation | recombinant expression Learn more about Antibody Enhanced Validation |
| sustainability | Greener Alternative Product |
| technique(s) | flow cytometry: suitable,immunofluorescence: suitable,immunohistochemistry (formalin-fixed, paraffin-embedded sections): suitable,western blot: suitable |
| isotype | IgG2aκ |
| epitope sequence | N-terminal half |
| Protein ID accession no. | NP_001356.1? |
| UniProt accession no. | P78352 |
| greener alternative category | Aligned, |
| shipped in | ambient |
| storage temp. | 2-8°C |
| target post-translational modification | unmodified |
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