1R6W	Lyase	date	Oct 17, 2003
title	Crystal Structure Of The K133r Mutant Of O-Succinylbenzoate (Osbs) From Escherichia Coli. Complex With Shchc
authors	V.A.Klenchin, E.A.Taylor Ringia, J.A.Gerlt, I.Rayment
compound		source
Molecule: O-Succinylbenzoate Synthase Chain: A Synonym: Osb Synthase; Osbs; 4-(2'-Carboxyphenyl)-4-Oxybuty Synthase; O-Succinylbenzoic Acid Synthase; Ec: 4.2.1.- Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
symmetry	Space Group: P 21 21 2	R_factor 0.167 R_Free 0.200
crystal cell	length a length b length c angle alpha angle beta angle gamma 72.200 82.900 56.200 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.62 Å
ligand	164, MG	enzyme	Lyase E.C.4.2.1 BRENDA
related structures	by homologous chain: 1FHU
Gene Ontology	Chain Function Process Component A
Primary reference	Evolution of Enzymatic Activity in the Enolase Superfamily: Structural and Mutagenic Studies of the Mechanism of the Reaction Catalyzed by o-Succinylbenzoate Synthase from Escherichia coli(,)., Klenchin VA, Taylor Ringia EA, Gerlt JA, Rayment I, Biochemistry 2003 Dec 16;42(49):14427-33. PMID:14661953

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (62 Kb) [Save to disk] Biological Unit Coordinates (1r6w.pdb1.gz) 112 Kb LPC: Ligand-Protein Contacts for 1R6W CSU: Contacts of Structural Units for 1R6W Likely Quarternary Molecular Structure file(s) for 1R6W Structure Factors (225 Kb) Retrieve 1R6W in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1R6W from S2C, [Save to disk] Re-refined 1r6w structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1R6W 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 1R6W

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 1R6W, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1r6wa2, region A:-2-99 [Jmol] [rasmolscript] [script source]     - Domain d1r6wa1, region A:100-320 [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1r6w_A] [1r6w] SWISS-PROT database: [P29208] Domain organization of [MENC_ECOLI] by SWISSPFAM Domain found in 1R6W: [MR_MLE ] by SMART

Other resources with information on 1R6W

Community annotation for 1R6W at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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