1MKG:
reference: The cystine knot promotes folding and not thermodynamic stability in vascular endothelial growth factor., Muller YA, Heiring C, Misselwitz R, Welfle K, Welfle H, J Biol Chem 2002 Nov 8;277(45):43410-6. Epub 2002 Aug 30. PMID: 12207021

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