Detects human DRAK1 in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant human (rh) DRAK2, rhDAPK1, rhDAPK2, or rhDAPK3 is observed. In Western blots, no cross-reactivity with rhDRAK2 is observed.
Monoclonal Mouse IgG1 Clone # 684324
Protein A or G purified from hybridoma culture supernatant
E. coli-derived recombinant human DRAK1 Ala115-Glu313 Accession # Q9UEE5
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
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.
Detection of Human DRAK1 by Western Blot. Western blot shows lysates of MOLT‑4 human acute lymphoblastic leukemia cell line and A431 human epithelial carcinoma cell line. PVDF Membrane was probed with 1 µg/mL of Mouse Anti-Human DRAK1 Monoclonal Antibody (Catalog # MAB4985) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for DRAK1 at approximately 55 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 2.
Preparation and Storage
Sterile PBS to a final concentration of 0.5 mg/mL.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
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.
DRAK1 (DAP kinase-related apoptosis-inducing protein kinase 1; also STK17A) is a 55 kDa member of the DAP kinase subfamily, CAMK Ser/Thr protein kinase family of enzymes. It is expressed in osteoclasts, resides in the nucleus, and initiates apoptosis. Human DRAK1 is 414 amino acids (aa) in length. It contains an N-terminal polyPro segment (aa 33-37) followed by a Ser/Thr kinase domain (aa 64-321) with a catalytic loop (aa 184-193). Apoptosis apparently requires an intact kinase domain. No rodent DRAK1 has been reported. Over aa 115-313, human DRAK1 shares 95% aa identity with canine DRAK1, and 65% aa identity with human DRAK2.
DAP Kinase-related Apoptosis-inducing Protein Kinase 1
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