3KKU	Hydrolase	date	Nov 06, 2009
title	Cruzain In Complex With A Non-Covalent Ligand
authors	R.S.Ferreira, O.Eidam, B.K.Shoichet
compound		source
Molecule: Cruzipain Chain: A Synonym: Cruzaine, Major Cysteine Proteinase Ec: 3.4.22.51 Engineered: Yes		Organism_scientific: Trypanosoma Cruzi Organism_taxid: 5693 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 65 2 2	R_factor 0.115 R_Free 0.144
crystal cell	length a length b length c angle alpha angle beta angle gamma 82.978 82.978 101.733 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.28 Å
ligand	B95, EDO, Z22 BindingDB	enzyme	Hydrolase E.C.3.4.22.51 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Complementarity between a docking and a high-throughput screen in discovering new cruzain inhibitors., Ferreira RS, Simeonov A, Jadhav A, Eidam O, Mott BT, Keiser MJ, McKerrow JH, Maloney DJ, Irwin JJ, Shoichet BK, J Med Chem. 2010 Jul 8;53(13):4891-905. PMID:20540517

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (86 Kb) [Save to disk] Biological Unit Coordinates (3kku.pdb1.gz) 81 Kb LPC: Ligand-Protein Contacts for 3KKU CSU: Contacts of Structural Units for 3KKU Structure Factors (633 Kb) Retrieve 3KKU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3KKU from S2C, [Save to disk] Re-refined 3kku structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3KKU in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 3KKU

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3KKU, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3kku_A] [3kku] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3KKU: [Pept_C1 ] by SMART

Other resources with information on 3KKU

Community annotation for 3KKU at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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