1RD6	Hydrolase	date	Nov 05, 2003
title	Crystal Structure Of S. Marcescens Chitinase A Mutant W167a
authors	N.N.Aronson, B.A.Halloran, M.F.Alexyev, X.E.Zhou, Y.Wang, E.J.Mee L.Chen
compound		source
Molecule: Chitinase A Chain: A Ec: 3.2.1.14 Engineered: Yes Mutation: Yes		Organism_scientific: Serratia Marcescens Organism_taxid: 615 Gene: Chia Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet23a
symmetry	Space Group: I 2 2 2	R_factor 0.195 R_Free 0.235
crystal cell	length a length b length c angle alpha angle beta angle gamma 77.588 134.065 187.904 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand		enzyme	Hydrolase E.C.3.2.1.14 BRENDA
related structures	by homologous chain: 1CTN
Gene Ontology	Chain Function Process Component A
Primary reference	Mutation of a conserved tryptophan in the chitin-binding cleft of Serratia marcescens chitinase A enhances transglycosylation., Aronson NN Jr, Halloran BA, Alexeyev MF, Zhou XE, Wang Y, Meehan EJ, Chen L, Biosci Biotechnol Biochem. 2006 Jan;70(1):243-51. PMID:16428843

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (92 Kb) [Save to disk] Biological Unit Coordinates (1rd6.pdb1.gz) 88 Kb CSU: Contacts of Structural Units for 1RD6 Likely Quarternary Molecular Structure file(s) for 1RD6 Structure Factors (279 Kb) Retrieve 1RD6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1RD6 from S2C, [Save to disk] Re-refined 1rd6 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1RD6 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 1RD6

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 1RD6, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1rd6a2, region A:133-443,A:517-563 [Jmol] [rasmolscript] [script source]     - Domain d1rd6a1, region A:24-132 [Jmol] [rasmolscript] [script source]     - Domain d1rd6a3, region A:444-516 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1rd6_A] [1rd6] SWISS-PROT database: [P07254] Domain organization of [CHIA_SERMA] by SWISSPFAM Domains found in 1RD6: [Glyco_18] [PKD ] by SMART

Other resources with information on 1RD6

Community annotation for 1RD6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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