1csb: Difference between revisions
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|PDB= 1csb |SIZE=350|CAPTION= <scene name='initialview01'>1csb</scene>, resolution 2.0Å | |PDB= 1csb |SIZE=350|CAPTION= <scene name='initialview01'>1csb</scene>, resolution 2.0Å | ||
|SITE= | |SITE= | ||
|LIGAND= <scene name='pdbligand=EOH:ETHANOL'>EOH</scene> | |LIGAND= <scene name='pdbligand=EOH:ETHANOL'>EOH</scene>, <scene name='pdbligand=EPO:1-OXO-(2-HYDROXYBUTYL)-4-OXO+GROUP'>EPO</scene> | ||
|ACTIVITY= [http://en.wikipedia.org/wiki/Cathepsin_B Cathepsin B], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.22.1 3.4.22.1] | |ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Cathepsin_B Cathepsin B], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.4.22.1 3.4.22.1] </span> | ||
|GENE= | |GENE= | ||
|DOMAIN= | |||
|RELATEDENTRY= | |||
|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1csb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1csb OCA], [http://www.ebi.ac.uk/pdbsum/1csb PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1csb RCSB]</span> | |||
}} | }} | ||
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[[Category: Bode, W.]] | [[Category: Bode, W.]] | ||
[[Category: Turk, D.]] | [[Category: Turk, D.]] | ||
[[Category: papain-like lysosomal dicarboxy-peptidase]] | [[Category: papain-like lysosomal dicarboxy-peptidase]] | ||
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 19:27:37 2008'' | ||
Revision as of 19:27, 30 March 2008
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| , resolution 2.0Å | |||||||
|---|---|---|---|---|---|---|---|
| Ligands: | , | ||||||
| Activity: | Cathepsin B, with EC number 3.4.22.1 | ||||||
| Resources: | FirstGlance, OCA, PDBsum, RCSB | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
CRYSTAL STRUCTURE OF CATHEPSIN B INHIBITED WITH CA030 AT 2.1 ANGSTROMS RESOLUTION: A BASIS FOR THE DESIGN OF SPECIFIC EPOXYSUCCINYL INHIBITORS
OverviewOverview
Crystals of cysteine protease human cathepsin B inhibited with CA030 (ethyl ester of epoxysuccinyl-Ile-Pro-OH) [Murata, M., et al. (1991) FEBS Lett. 280, 307-310; Towatari, T., et al. (1991) FEBS Lett. 280, 311-315] were isomorphous to a previous published structure of cathepsin B [Musil, D., et al. (1991) EMBO J. 10, 2321-2330]. The crystal structure of the complex was refined at 2.0-A resolution to an R-value of 0.194. CA030 is well-defined in the electron density. The Ile-Pro-OH part of CA030 mimics a substrate P1' and P2' residues. The structure thus reveals for the first time a substratelike interaction in the S1' and S2' sites of a papain-like cysteine protease. The CA030 ethyl ester group occupies the S2 site. The structure confirms the role of residues His 110 and His 111 as the receptors of a peptidic substrate C-terminal carboxylic group. The structure suggests that an epoxysuccinyl fragment can be used to extend binding into primed and nonprimed substrate binding sites of a papain-like cysteine protease.
About this StructureAbout this Structure
1CSB is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.
ReferenceReference
Crystal structure of cathepsin B inhibited with CA030 at 2.0-A resolution: A basis for the design of specific epoxysuccinyl inhibitors., Turk D, Podobnik M, Popovic T, Katunuma N, Bode W, Huber R, Turk V, Biochemistry. 1995 Apr 11;34(14):4791-7. PMID:7718586
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