Crystal structures of human procathepsin B at 3.2 ...[FEBS Lett. 1996]

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1: FEBS Lett. 1996 Apr 22;384(3):211-4. Links

Crystal structures of human procathepsin B at 3.2 and 3.3 Angstroms resolution reveal an interaction motif between a papain-like cysteine protease and its propeptide.

Turk D, Podobnik M, Kuhelj R, Dolinar M, Turk V.

Dept of Biochem. and Mol. Biol. Jozef Stefan Institute, Ljubljana, Slovenia.

A wild-type human procathepsin B was expressed, crystallized in two crystal forms and its crystal structure determined at 3.2 and 3.3 Angstroms resolution. The structure reveals that the propeptide folds on the cathepsin B surface, shielding the enzyme active site from exposure to solvent. The structure of the enzymatically active domains is virtually identical to that of the native enzyme [Musil et al. (1991) EMBO J. 10, 2321-2330]: the main difference is that the occluding loop residues are lifted above the body of the mature enzyme, supporting the propeptide structure.

PMID: 8617355 [PubMed - indexed for MEDLINE]

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ReviewStructural and functional aspects of papain-like cysteine proteinases and their protein inhibitors. [Biol Chem. 1997]

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Crystal structures of human procathepsin B at 3.2 and 3.3 Angstroms resolution reveal an interaction motif between a papain-like cysteine protease and its propeptide.

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