1sme

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{{STRUCTURE_1sme| PDB=1sme | SCENE= }}
{{STRUCTURE_1sme| PDB=1sme | SCENE= }}
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'''PLASMEPSIN II, A HEMOGLOBIN-DEGRADING ENZYME FROM PLASMODIUM FALCIPARUM, IN COMPLEX WITH PEPSTATIN A'''
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===PLASMEPSIN II, A HEMOGLOBIN-DEGRADING ENZYME FROM PLASMODIUM FALCIPARUM, IN COMPLEX WITH PEPSTATIN A===
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==Overview==
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Plasmodium falciparum is the major causative agent of malaria, a disease of worldwide importance. Resistance to current drugs such as chloroquine and mefloquine is spreading at an alarming rate, and our antimalarial armamentarium is almost depleted. The malarial parasite encodes two homologous aspartic proteases, plasmepsins I and II, which are essential components of its hemoglobin-degradation pathway and are novel targets for antimalarial drug development. We have determined the crystal structure of recombinant plasmepsin II complexed with pepstatin A. This represents the first reported crystal structure of a protein from P. falciparum. The crystals contain molecules in two different conformations, revealing a remarkable degree of interdomain flexibility of the enzyme. The structure was used to design a series of selective low molecular weight compounds that inhibit both plasmepsin II and the growth of P. falciparum in culture.
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{{ABSTRACT_PUBMED_8816746}}
==About this Structure==
==About this Structure==
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[[Category: Aspartyl proteinase]]
[[Category: Aspartyl proteinase]]
[[Category: Hydrolase]]
[[Category: Hydrolase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 08:53:05 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 19:55:45 2008''

Revision as of 16:55, 28 July 2008

Image:1sme.png

Template:STRUCTURE 1sme

PLASMEPSIN II, A HEMOGLOBIN-DEGRADING ENZYME FROM PLASMODIUM FALCIPARUM, IN COMPLEX WITH PEPSTATIN A

Template:ABSTRACT PUBMED 8816746

About this Structure

1SME is a Single protein structure of sequence from Plasmodium falciparum. Full crystallographic information is available from OCA.

Reference

Structure and inhibition of plasmepsin II, a hemoglobin-degrading enzyme from Plasmodium falciparum., Silva AM, Lee AY, Gulnik SV, Maier P, Collins J, Bhat TN, Collins PJ, Cachau RE, Luker KE, Gluzman IY, Francis SE, Oksman A, Goldberg DE, Erickson JW, Proc Natl Acad Sci U S A. 1996 Sep 17;93(19):10034-9. PMID:8816746

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