Breast and Kidney-expressed chemokine (BRAK) is a CXC chemokine expressed in normal tissue in the absence of inflammatory stimuli, and infrequently expressed in cancer cell lines. BRAK is known to be a highly selective monocyte chemoattractant. However, main function and receptor selectivity is unknown at this time. BRAK contains the four highly conserved cysteine residues present in CXC chemokines. The sequence of the mature protein consists of 87 amino acid residues, and is approximately 30% homologous to the sequences of MIP-2 alpha and beta. Recombinant human BRAK is a 9.4 kDa protein containing 77 amino acid residues.
Human CXCL14 expressed in E.coli
CAT# CSC-CTK0493-20 (20 μg); CAT# CSC-CTK0493-100 (100 μg)
Greater than 98% as determined by SDS-PAGE and HPLC analysis.
Determined by ist ability to chemoattract activated monocytes using a concentration of 1-10 ng/ml.
Less than 1 EU/μg.
Lyophilized from a sterile-filtered (0.2 micron filter) solution with no additives.
Please centrifuge product briefly before opening the vial. Reconstitute in sterile, ultra-pure water to a concentration of 0.1 - 1.0 mg/ml. This solution can be diluted into other aqueous buffers and stored at -20°C for future use.
Storage & Stability
The lyophilized powder, though stable at room temperature for up to 3 weeks, is best stored desiccated at -20°C. Reconstituted BRAK should be used immediately or stored in undiluted working aliquots at -20°C. Avoid repeated freeze / thaw cycles.
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