3B9D	Hydrolase	date	Nov 05, 2007
title	Crystal Structure Of Vibrio Harveyi Chitinase A Complexed Wi Pentasaccharide
authors	C.Songsiriritthigul, A.H.Aguda, R.C.Robinson, W.Suginta
compound		source
Molecule: Chitinase A Chain: A Fragment: Residues Unp 22-597 Synonym: Endochitinase A, Glycosylhydrolase, Family 18 Chit Ec: 3.2.1.14 Engineered: Yes Mutation: Yes		Organism_scientific: Vibrio Harveyi Organism_taxid: 669 Strain: Lmg7890 Gene: Chia Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: M15 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pqe60 Other_details: Vibrio Carchariae Is Synonym Of Vibrio Harve
symmetry	Space Group: P 21 21 21	R_factor 0.187 R_Free 0.215
crystal cell	length a length b length c angle alpha angle beta angle gamma 63.508 83.076 105.586 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.72 Å
ligand	NAG	enzyme	Hydrolase E.C.3.2.1.14 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures of Vibrio harveyi chitinase A complexed with chitooligosaccharides: implications for the catalytic mechanism., Songsiriritthigul C, Pantoom S, Aguda AH, Robinson RC, Suginta W, J Struct Biol. 2008 Jun;162(3):491-9. Epub 2008 Mar 26. PMID:18467126

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (104 Kb) [Save to disk] Biological Unit Coordinates (3b9d.pdb1.gz) 99 Kb LPC: Ligand-Protein Contacts for 3B9D CSU: Contacts of Structural Units for 3B9D Likely Quarternary Molecular Structure file(s) for 3B9D Structure Factors (453 Kb) Retrieve 3B9D in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3B9D from S2C, [Save to disk] Re-refined 3b9d structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3B9D 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 3B9D

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 3B9D, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3b9d_A] [3b9d] SWISS-PROT database: [Q9AMP1] Domain organization of [Q9AMP1_VIBHA] by SWISSPFAM Domains found in 3B9D: [Glyco_18] [PKD ] by SMART

Other resources with information on 3B9D

Community annotation for 3B9D at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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