1HTN:
reference: Crystal structure of tetranectin, a trimeric plasminogen-binding protein with an alpha-helical coiled coil., Nielsen BB, Kastrup JS, Rasmussen H, Holtet TL, Graversen JH, Etzerodt M, Thogersen HC, Larsen IK, FEBS Lett 1997 Jul 28;412(2):388-96. PMID: 9256258

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