2h6t

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Secreted aspartic proteinase (Sap) 3 from Candida albicans complexed with pepstatin A

Structural highlights

2h6t is a 2 chain structure with sequence from Candida albicans and Streptomyces argenteolus subsp. toyonakensis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.9Å
Ligands:IVA, STA, ZN
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

CARP3_CANAL

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

The family of secreted aspartic proteinases (Sap) encoded by 10 SAP genes is an important virulence factor during Candida albicans (C. albicans) infections. Antagonists to Saps could be envisioned to help prevent or treat candidosis in immunocompromised patients. The knowledge of several Sap structures is crucial for inhibitor design; only the structure of Sap2 is known. We report the 1.9 and 2.2 A resolution X-ray crystal structures of Sap3 in a stable complex with pepstatin A and in the absence of an inhibitor, shedding further light on the enzyme inhibitor binding. Inhibitor binding causes active site closure by the movement of a flap segment. Comparison of the structures of Sap3 and Sap2 identifies elements responsible for the specificity of each isoenzyme.

The crystal structure of the secreted aspartic proteinase 3 from Candida albicans and its complex with pepstatin A.,Borelli C, Ruge E, Schaller M, Monod M, Korting HC, Huber R, Maskos K Proteins. 2007 Aug 15;68(3):738-48. PMID:17510964[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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See Also

References

  1. ↑ Borelli C, Ruge E, Schaller M, Monod M, Korting HC, Huber R, Maskos K. The crystal structure of the secreted aspartic proteinase 3 from Candida albicans and its complex with pepstatin A. Proteins. 2007 Aug 15;68(3):738-48. PMID:17510964 doi:10.1002/prot.21425

Contents


PDB ID 2h6t

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OCA

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