5wvx | pdb_00005wvx

Crystal Structure of bifunctional Kunitz type Trypsin /amylase inhibitor (AMTIN) from the tubers of Alocasia macrorrhiza

spinqualitylabelsall models 5wvx, resolution 3.00Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5wvx is a 2 chain structure with sequence from Alocasia macrorrhizos. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: CIT, NGA Related: 1ava Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function [ITC_ALOMA] Inhibits trypsin and alpha-chymotrypsin. Publication Abstract from PubMed Protease inhibitors from plants play major role in defensive mechanism against various pathogenic organisms. AMTIN from the tubers of Alocasia macrorrhiza has been purified and characterized as multi-functional Kunitz type protease inhibitor. AMTIN is varied from other KTIs by having three different loops specific for binding to trypsin/amylase and subtilisin that are located approximately 30A away from one another as evidenced from crystallographic efforts. Biochemical studies on AMTIN reveal simultaneous binding of protease/amylase and have been cross validated using in-silico tools to model Amylase - AMTIN - Trypsin complex without any steric clashes. Apart from multi functionality, the remarkable structural and functional stability of AMTIN at high temperature, presence of many phosphorylation, myristoylation and glycosylation sites and molecular docking studies with dengue viral protease (NS2B-NS3) makes this protein interesting. Hence AMTIN can be considered as a template to design effective antivirals against dengue virus. Structural insights into a multifunctional inhibitor, 'AMTIN' from tubers of Alocasia macrorrhizos and its possible role in dengue protease (NS2B-NS3) inhibition.,Palayam M, Ganapathy J, Balu KE, Pennathur G, Krishnasamy G Int J Biol Macromol. 2018 Jul 1;113:681-691. doi: 10.1016/j.ijbiomac.2018.03.010., Epub 2018 Mar 2. PMID:29505868 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Trypsin inhibitor 3D structures

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