Human Calsyntenin-3 Antibody

Catalog #: AF5244 Datasheet / COA / SDS

Discontinued Product

AF5244 has been discontinued.
View all Calsyntenin-3 products.
Calsyntenin‑3 in Human Brain.
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Human Calsyntenin-3 Antibody Summary

Species Reactivity
Human
Specificity
Detects human Calsyntenin-3 in direct ELISAs and Western blots. In direct ELISAs, approximately 5% cross-reactivity with recombinant human (rh) Calsyntenin-1 and rhCalsyntenin-2 is observed.
Source
Polyclonal Sheep IgG
Purification
Antigen Affinity-purified
Immunogen
Mouse myeloma cell line NS0-derived recombinant human Calsyntenin-3
Lys21-Thr849
Accession # Q9BQT9
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Applications

Recommended Concentration
Sample
Western Blot
0.1 µg/mL
Recombinant Human Calsyntenin‑3
Immunohistochemistry
5-15 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Immunohistochemistry Calsyntenin‑3 antibody in Human Brain by Immunohistochemistry (IHC-P). View Larger

Calsyntenin‑3 in Human Brain. Calsyntenin‑3 was detected in immersion fixed paraffin-embedded sections of human brain (cortex) using Sheep Anti-Human Calsyntenin‑3 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5244) at 15 µg/mL overnight at 4 °C. Before incubation with the primary antibody tissue was subjected to heat-induced epitope retrieval using Antigen Retrieval Reagent-Basic (Catalog # CTS013). Tissue was stained using the Anti-Sheep HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS019) and counterstained with hematoxylin (blue). Specific labeling was localized to the neuronal processes and synaptic boutons. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitution
Reconstitute at 0.2 mg/mL in sterile PBS.
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Shipping
Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Calsyntenin-3

Calsyntenin-3 (CST-3; also CDH-11 and Alcadein-beta ) is a 160 kDa member of the Alcadein family of molecules. It is expressed on the membranes of GABAergic neurons and in the granules of anterior pituitary secretory cells. It is a calcium-binding protein that is proposed to regulate post-synaptic signaling, plus participate in the formation of a membrane-associated APP-X11L-CST-3 complex that blocks APP cleavage. Mature human CST-3 is a 937 amino acid (aa) type I transmembrane protein. It contains two cadherin domains (aa 29-246) in the extracellular region, and an 87 aa cytoplasmic tail. Cleavage presumably occurs, generating a soluble 120 kDa ECD. One splice event shows a 34 aa substitution for the N-terminal 21 amino acids. Over aa 21-849, human CST-3 shares 97% aa identity with mouse CST-3.

Entrez Gene IDs
9746 (Human); 232370 (Mouse); 171393 (Rat)
Alternate Names
alcadein beta; alcadein-beta; alcbeta; Alc-beta; cadherin-related family member 14; calsyntenin 3; Calsyntenin3; Calsyntenin-3; CDHR14; CLSTN3; CS3; CSTN3; KIAA0726alcbeta; MGC131797; MGC138488

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