1VPF:
reference: Vascular endothelial growth factor: crystal structure and functional mapping of the kinase domain receptor binding site., Muller YA, Li B, Christinger HW, Wells JA, Cunningham BC, de Vos AM, Proc Natl Acad Sci U S A 1997 Jul 8;94(14):7192-7. PMID: 9207067

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