Human Kallikrein 13 Antibody

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Human Kallikrein 13 Antibody Summary

Species Reactivity
Detects human Kallikrein 13 in direct ELISAs and Western blots. In direct ELISAs and Western blots, no cross-reactivity with recombinant human (rh) Kallikrein 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, rhKallikrein B1, rhFactorVII, rhHGFA, rhUPA, rhThrombin, rhFactor X, or rhFactor XI is observed.
Monoclonal Mouse IgG2B Clone # 341419
Protein A or G purified from hybridoma culture supernatant
Mouse myeloma cell line NS0-derived recombinant human Kallikrein 13
Accession # Q9UKR3
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.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.


Recommended Concentration
Western Blot
1 µg/mL
Recombinant Human Kallikrein 13 (Catalog # 2625-SE)
25 µg/mL
Conditioned cell culture medium spiked with Recombinant Human Kallikrein 13 (Catalog # 2625-SE), see our available Western blot detection antibodies
Measured by its ability to neutralize Recombinant Human Kallikrein 13 (1 µg/mL, Catalog # 2625-SE) cleavage of the fluorogenic peptide substrate Boc-VPR-AMC (100 µM, Catalog # ES011). The Neutralization Dose (ND50) is typically 2.4 µg/mL.

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.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Reconstitute at 0.5 mg/mL in sterile PBS.
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.

Background: Kallikrein 13

Human tissue Kallikrein 13 (hK13) is a member of the human tissue kallikrein family. The gene encoding for rhK13 is termed KLK13 and it resides on chromosome 19q13.3-4 along with fourteen other members of the family. KLK13 spans about 8.7 kb genomic DNA and the longest transcript is 831 bp, encoding for a protein of 277 amino acids (1). Another five shorter splice variants have also been identified. They are specifically expressed in the testicular tissue and encode for five truncated forms of hK13 (2). Due to the aspartic acid residue in the substrate binding pocket, the enzymatic activity of hK13 is predicted be trypsin-like. It has been shown that recombinant hK13 produced in yeast can cleave synthetic peptides after the arginine residue and some extracellular matrix components (3). However, its exact physiological substrates and functions remain obscure. Despite the lack of knowledge on the physiological function of hK13, several studies have demonstrated that hK13 is implicated with cancer of the breast and ovary and it can serve as a favorable prognostic biomarker for these malignancies (4, 5). The 277 amino acid hKLK13 precursor consists of a signal peptide (residues 1 to 18), a pro peptide (residues 19 to 25) and an active protein (residues 26 to 277). The amino acid sequence of hKLK13 is 84%, 81%, and 80% identical to that of canine, mouse and rat.

  1. Yousef, G.M. et al. (2000) J. Biol. Chem. 275:11891.
  2. Chang, A. et al. (2001) Anticancer Res. 21:3147.
  3. Kapadia, C. et al. (2004) Biochem. Biophys. Res. Commun. 323:1084.
  4. Chang, A. et al. (2002) Br. J. Cancer. 86:1457.
  5. Scorilas, A. et al. (2004) J. Clin. Oncol. 22:678.
Entrez Gene IDs
26085 (Human)
Alternate Names
DKFZp586J1923; EC 3.4.21; EC 3.4.21.-; Kallikrein 13; Kallikrein-like protein 4; kallikrein-related peptidase 13; KLK13; KLK-L4kallikrein-13; KLKL4kallikrein-like gene 4

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Human Kallikrein 13 Antibody
By Anonymous on 07/05/2022
Application: ELISA Sample Tested: Serum and Plasma Species: Human