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. 1999 Dec;67(12):6478–6486. doi: 10.1128/iai.67.12.6478-6486.1999

FIG. 1.

FIG. 1

Solid-phase plasminogen activation assay of native and cloned streptokinases in the presence of equine plasminogen (A), porcine plasminogen (B), human plasminogen (C), and a mixture of equine, human, and porcine plasminogens (D). Lanes 1, native streptokinase from a porcine isolate of S. equisimilis, strain 89-272; lanes 2, recombinant streptokinase from a porcine isolate of S. equisimilis, strain 89-272, expressed by clone DH5α/pSTKP8; lanes 3, native streptokinase from an equine isolate of S. equisimilis, strain 87-542-W; lanes 4, recombinant streptokinase from an equine isolate of S. equisimilis, strain 87-542-W, expressed by clone DH5α/pSTKE22; lanes 5, native streptokinase from a human isolate of S. equisimilis, strain H46A.