Recombinant human Angiostatin is a single, non-glycosylated polypeptide chain containing 259aa and having a molecular mass of ~30kD. Ang K1-3 is a proteolytic fragment of plasminogen containing the first three kringle structures. A specific inhibitor of endothelial cell growth and angiogenesis. More active relative to kringles 1-4. Ang K1-3 reduces endothelial cell proliferation and acts as a potent inhibitor of angiogenesis and tumor growth. Amino Acid Sequence: VYLSECKTGN GKNYRGTMSK TKNGITCQKW SSTSPHRPRF SPATHPSEGL EENYCRNPDN DPQGPWCYTT DPEKRYDYCD ILECEEECMH CSGENYDGKI SKTMSGLECQ AWDSQSPHAH GYIPSKFPNK NLKKNYCRNP DRELRPWCFT TDPNKRWELC DIPRCTTPPP SSGPTYQCLKGTGENYRGNV AVTVSGHTCQ HWSAQTPHTH NRTPENFPCK NLDENYCRNP DGKRAPWCHT TNSQVRWEYC KIPSCDSSP Biological Activity: Activity is assayed on anti-proliferation and anti-migration of endothelial cells in vitro and anti-angiogenesis in vivo. Specific Activity: 0.55x10e5U/mg based on anti-migration of endothelial cells in vitro. Storage and Stability: Lyophilized and reconstituted products are stable for 6 months after receipt at -20C. Reconstitute with sterile buffer or ddH2O, 0.1% BSA. Aliquot to avoid repeated freezing and thawing. Store at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
95% (SDS-PAGE), Purified by Proprietary chromatographic techniques.
Formulierung:
Supplied as a lyophilized powder from 20mM sodium acetate, pH 5.5, 4% mannitol. Reconstitute with sterile dH2O or aqueous buffer, 0.1% BSA to 0.1-1mg/ml.
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