1OGQ:
reference: The crystal structure of polygalacturonase-inhibiting protein (PGIP), a leucine-rich repeat protein involved in plant defense., Di Matteo A, Federici L, Mattei B, Salvi G, Johnson KA, Savino C, De Lorenzo G, Tsernoglou D, Cervone F, Proc Natl Acad Sci U S A 2003 Aug 19;100(17):10124-8. Epub 2003 Aug 6. PMID: 12904578

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