Recombinant Bovine Platelet Factor-4/CXCL4 (rBoPF-4/CXCL4, P02777, ) CAS#: 251-04-1816

Official Full Name Recombinant Bovine Platelet Factor-4/CXCL4 (rBoPF-4/CXCL4)
Squence Squence of Recombinant Bovine Platelet Factor-4/CXCL4
Accession Number P02777
Summary Platelet Factor-4 (PF-4) is a small cytokine belonging to the CXC chemokine family that is also known as chemokine (C-X-C motif) ligand 4 (CXCL4). This chemokine is released from alpha-granules of activated platelets during platelet aggregation and neutralizes the anticoagulant effect of heparin. It interacts with a splice variant of the chemokine receptor CXCR3 besides be chemotactic for neutrophils, fibroblasts and monocytes. Recombinant bovine CXCL4 contains 88 amino acids. Specifically, Bovine and sheep CXCL4 share about an 85 % identity.
Molecular Weight Approximately 9.5 kDa, a single non-glycosylated polypeptide chain containing 88 amino acids.
Biological Activity Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human neutrophils is in a concentration of 10-100ng/ml.
Appearance Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation Lyophilized from a 0.2 um filtered concentrated solution in 20 mM PB, 500 mM NaCl, pH 7.0.
Endotoxin Less than 0.1 EU/ug of rBoPF-4/CXCL4 as determined by LAL method.
Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20°C. Further dilutions should be made in appropriate buffered solutions.
Stability and 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.- 3 months, -20 to -70 °C under sterile conditions after reconstitution.
SDS-PAGE SDS-PAGE of Recombinant Bovine Platelet Factor-4/CXCL4
Safety Data Sheet (SDS) Download Click to download
Technical Data Sheet (TDS) Download Click to download

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