Table 1.

Angiostatin Preparations Used in This Study

SpeciesAbbr. Kringles Amino Acid Residues*SourceReference LPS Levels ng/mg Protein
Human ehAst K1-K3  Tyr80-Val338 Tyr80-Val354  Elastase-digested plasminogen  59  4.5-9.2  
Human  K1-K4  Leu74-Leu451  Recombinant P pastoris 17  0.40  
Human rhAst K1-K4  Leu74-Leu451  Recombinant CHO cells MacDonald et al  (in preparation)  0.43  
Human phAst  K1-K4 + 2/3 of K5  Lys78-?  Plasmin autocatalysis  31  <0.001  
Mouse rmAst NTP + K1-K4  Asp1-Ser13; Arg78-Gly439  Recombinant baculovirus  18  0.27-1.74  
Human hPlg  Plasminogen   Plasma  0.02-0.09  
SpeciesAbbr. Kringles Amino Acid Residues*SourceReference LPS Levels ng/mg Protein
Human ehAst K1-K3  Tyr80-Val338 Tyr80-Val354  Elastase-digested plasminogen  59  4.5-9.2  
Human  K1-K4  Leu74-Leu451  Recombinant P pastoris 17  0.40  
Human rhAst K1-K4  Leu74-Leu451  Recombinant CHO cells MacDonald et al  (in preparation)  0.43  
Human phAst  K1-K4 + 2/3 of K5  Lys78-?  Plasmin autocatalysis  31  <0.001  
Mouse rmAst NTP + K1-K4  Asp1-Ser13; Arg78-Gly439  Recombinant baculovirus  18  0.27-1.74  
Human hPlg  Plasminogen   Plasma  0.02-0.09  

Abbreviations: Abbr., abbreviation used in this study; K, kringle; NTP, N-terminal peptide.

*

Numbering is based on published sequences of human (791 residues)60 and mouse (793 residues)61plasminogens and begins at Glu1 and Asp1 in human and mouse, respectively (ie, excluding the 19 amino acid signal peptide that begins at Met-19).

LPS levels were determined using the LAL assay.

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