Human CDK5 Activator 1 Antibody

Name: Human CDK5 Activator 1 Antibody
Brand: R&D Systems
SKU: MAB7357
Rating: 4 (1 reviews)

Catalog #: MAB7357 1 Review Datasheet / COA / SDS

Catalog #	Availability	Size / Price	Qty
MAB7357
MAB7357-SP

Detection of Human CDK5 Activator 1 by Western Blot.

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Summary Data Examples Preparation and Storage Reconstitution Calculator Background Product Datasheets Related Research Areas

Human CDK5 Activator 1 Antibody Summary

Species Reactivity

Human

Specificity

Detects human CDK5 Activator 1 in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant human CDK5 Activator 2 is observed.

Source

Monoclonal Mouse IgG_2B Clone # 739304

Purification

Protein A or G purified from hybridoma culture supernatant

Immunogen

E. coli-derived recombinant human CDK5 Activator 1
Ser8-Phe98
Accession # Q15078

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

1 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

Western Blot

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Detection of Human CDK5 Activator 1 by Western Blot. Western blot shows lysates of human brain (cortex) tissue and human brain (hippocampus) tissue. PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human CDK5 Activator 1 Monoclonal Antibody (Catalog # MAB7357) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for CDK5 Activator 1 at approximately 35 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Reconstitution Calculator

Preparation and Storage

Reconstitution

Sterile PBS to a final concentration of 0.5 mg/mL.

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: CDK5 Activator 1

Cyclin dependent kinase 5 regulatory subunit 1 (CDK5R1) is a 35 kDa protein that associates with and activates CDK5. Its expression is restricted to neurons and is required for normal brain development. CDK5R1 can be cleaved by calpain at Phe98-Ala99 which liberates a C-terminal fragment known as p25. p25 induces prolonged activation of CDK5 and broadens the substrate specificity of CDK5 to include tau which is aberrantly phosphorylated in Alzheimer's disease. Full length CDK5R1 is myristoylated at Gly2 and is preferentially localized to membranes at the cell periphery. p25 lacks this modification and is enriched in the nucleus and perinuclear regions. p25 accumulates in the brains of Alzheimer's patients where it promotes neuronal apoptosis and cytoskeletal abnormalities. Within aa 100-307, human CDK5R1 shares 99% aa sequence identity with mouse and rat CDK5R1.

Long Name

Cyclin-dependent Kinase 5, Regulatory Subunit 1 (p35)

Entrez Gene IDs

8851 (Human); 12569 (Mouse); 116671 (Rat)

Alternate Names

CDK5 Activator 1; CDK5P35; CDK5R; CDK5R1; cyclin-dependent kinase 5 activator 1; Cyclin-dependent kinase 5 regulatory subunit 1; cyclin-dependent kinase 5, regulatory subunit 1 (p35); MGC33831; NCK5A; Neuronal CDK5 Activator; p23; p25; p35; p35nck5a; regulatory partner for CDK5 kinase; tau protein kinase II 23kDa subunit; TPKII Regulatory Subunit