3N1A	Hydrolase	date	May 15, 2010
title	Crystal Stricture Of E145gy227f Chitinase In Complex With C His-L-Pro) From Bacillus Cereus Nctu2
authors	Y.C.Hsieh, Y.J.Wu, W.G.Wu, Y.K.Li, C.J.Chen
compound		source
Molecule: Chitinase A Chain: A Synonym: Chinctu2 Ec: 3.2.1.14 Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Cereus Organism_taxid: 1396 Strain: Nctu2 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-22b
symmetry	Space Group: P 21 21 21	R_factor 0.199 R_Free 0.238
crystal cell	length a length b length c angle alpha angle beta angle gamma 48.737 75.045 79.081 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	CHQ	enzyme	Hydrolase E.C.3.2.1.14 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures of Bacillus cereus NCTU2 chitinase complexes with chitooligomers reveal novel substrate binding for catalysis: a chitinase without chitin binding and insertion domains., Hsieh YC, Wu YJ, Chiang TY, Kuo CY, Shrestha KL, Chao CF, Huang YC, Chuankhayan P, Wu WG, Li YK, Chen CJ, J Biol Chem. 2010 Oct 8;285(41):31603-15. Epub 2010 Aug 4. PMID:20685646

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk] Biological Unit Coordinates (3n1a.pdb1.gz) 51 Kb LPC: Ligand-Protein Contacts for 3N1A CSU: Contacts of Structural Units for 3N1A Structure Factors (148 Kb) Retrieve 3N1A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3N1A from S2C, [Save to disk] Re-refined 3n1a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 3N1A, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3n1a] [3n1a_A] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3N1A: [Glyco_18 ] by SMART

Other resources with information on 3N1A

Community annotation for 3N1A at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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