3CHD	Hydrolase Hydrolase Inhibitor	date	Mar 09, 2008
title	Crystal Structure Of Aspergillus Fumigatus Chitinase B1 In C With Dipeptide
authors	O.A.Andersen, D.M.F.Van Aalten
compound		source
Molecule: Chitinase Chain: A, B Synonym: Class V Chitinase Chib1 Ec: 3.2.1.14 Engineered: Yes		Organism_scientific: Aspergillus Fumigatus Organism_taxid: 5085 Gene: Chib1, Afua_8g01410 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Plyss
symmetry	Space Group: P 41	R_factor 0.177 R_Free 0.215
crystal cell	length a length b length c angle alpha angle beta angle gamma 117.067 117.067 99.953 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	SO4, WRG BindingDB	enzyme	Hydrolase E.C.3.2.1.14 BRENDA
Gene	AFUA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure-based dissection of the natural product cyclopentapeptide chitinase inhibitor argifin., Andersen OA, Nathubhai A, Dixon MJ, Eggleston IM, van Aalten DM, Chem Biol. 2008 Mar;15(3):295-301. PMID:18355729

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (146 Kb) [Save to disk] Biological Unit Coordinates (3chd.pdb1.gz) 73 Kb Biological Unit Coordinates (3chd.pdb2.gz) 71 Kb LPC: Ligand-Protein Contacts for 3CHD CSU: Contacts of Structural Units for 3CHD Likely Quarternary Molecular Structure file(s) for 3CHD Structure Factors (1469 Kb) Retrieve 3CHD in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CHD from S2C, [Save to disk] Re-refined 3chd structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CHD 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 3CHD

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 3CHD, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3chd_D] [3chd] [3chd_A] [3chd_C] [3chd_B] SWISS-PROT database: [Q873X9] Domain organization of [Q873X9_ASPFU] by SWISSPFAM Domain found in 3CHD: [Glyco_18 ] by SMART

Other resources with information on 3CHD

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

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