2bdz
From Proteopedia
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'''Mexicain from Jacaratia mexicana''' | '''Mexicain from Jacaratia mexicana''' | ||
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[[Category: Oliver-Salvador, M C.]] | [[Category: Oliver-Salvador, M C.]] | ||
[[Category: Soriano-Garcia, M.]] | [[Category: Soriano-Garcia, M.]] | ||
| - | [[Category: | + | [[Category: Cysteine protease]] |
| - | [[Category: | + | [[Category: Mexicain]] |
| - | [[Category: | + | [[Category: Papain-like]] |
| - | [[Category: | + | [[Category: Peptidase_c1]] |
| - | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 20:09:38 2008'' | |
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | |
Revision as of 17:09, 3 May 2008
Mexicain from Jacaratia mexicana
Overview
Mexicain is a 23.7 kDa papain-like cysteine protease from the tropical plant Jacaratia mexicana. Extracted as a mix of proteases from the latex of the fruit, mexicain is isolated after cation-exchange chromatography as the most abundant product. The purified product inhibited with E-64 was crystallized by sitting-drop vapour diffusion in the presence of ethanolamine. Cryoprotected crystals diffracted X-rays from a home source to 1.98 A and belong to the monoclinic space group P2(1), with unit-cell parameters a = 57.36, b = 90.45, c = 80.39 A, beta = 92.64 degrees . The asymmetric unit contains four molecules of mexicain, with a corresponding crystal volume per protein weight (V(M)) of 2.24 A(3) Da(-1) and a solvent content of 45% by volume. A molecular-replacement model has been determined and refinement is in progress.
About this Structure
2BDZ is a Single protein structure of sequence from Jacaratia mexicana. Full crystallographic information is available from OCA.
Reference
Purification, crystallization and preliminary X-ray analysis of mexicain., Oliver-Salvador MC, Gonzalez-Ramirez LA, Gavira JA, Soriano-Garcia M, Garcia-Ruiz JM, Acta Crystallogr D Biol Crystallogr. 2004 Nov;60(Pt 11):2058-60. Epub 2004, Oct 20. PMID:15502326 Page seeded by OCA on Sat May 3 20:09:38 2008
