1URK:
reference: Solution structure of the amino-terminal fragment of urokinase-type plasminogen activator., Hansen AP, Petros AM, Meadows RP, Nettesheim DG, Mazar AP, Olejniczak ET, Xu RX, Pederson TM, Henkin J, Fesik SW, Biochemistry 1994 Apr 26;33(16):4847-64. PMID: 8161544

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