3H3K	Hydrolase	date	Apr 16, 2009
title	Structure Of A. Acidocaldarius Cellulase Cela In Complex Wit Cellotetraose
authors	S.Morera, K.Eckert
compound		source
Molecule: Cellulase Chain: A Ec: 3.2.1.4 Engineered: Yes		Organism_scientific: Alicyclobacillus Acidocaldarius Organism_common: Bacillus Acidocaldarius Organism_taxid: 1388 Gene: Cela Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Star De3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pdest17
symmetry	Space Group: P 21 21 2	R_factor 0.186 R_Free 0.217
crystal cell	length a length b length c angle alpha angle beta angle gamma 85.090 129.300 49.130 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	BGC, CA, GLC, MPD, ZN	enzyme	Hydrolase E.C.3.2.1.4 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal Structures of A. acidocaldarius Endoglucanase Cel9A in Complex with Cello-Oligosaccharides: Strong -1 and -2 Subsites Mimic Cellobiohydrolase Activity., Eckert K, Vigouroux A, Lo Leggio L, Morera S, J Mol Biol. 2009 Aug 31. PMID:19729024

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (91 Kb) [Save to disk] Biological Unit Coordinates (3h3k.pdb1.gz) 86 Kb LPC: Ligand-Protein Contacts for 3H3K CSU: Contacts of Structural Units for 3H3K Structure Factors (197 Kb) Retrieve 3H3K in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3H3K from S2C, [Save to disk] Re-refined 3h3k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3H3K 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 3H3K

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 3H3K, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3h3k] [3h3k_A] SWISS-PROT database: [Q9AJS0] Domain organization of [Q9AJS0_ALIAC] by SWISSPFAM

Other resources with information on 3H3K

Community annotation for 3H3K at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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