1G82:
reference: Structure of fibroblast growth factor 9 shows a symmetric dimer with unique receptor- and heparin-binding interfaces., Hecht HJ, Adar R, Hofmann B, Bogin O, Weich H, Yayon A, Acta Crystallogr D Biol Crystallogr 2001 Mar;57(Pt 3):378-84. PMID: 11223514

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