2EKC	Lyase	date	Mar 22, 2007
title	Structural Study Of Project Id Aq_1548 From Aquifex Aeolicus
authors	Y.Asada, N.Kunishima, Riken Structural Genomicsproteomics Ini (Rsgi)
compound		source
Molecule: Tryptophan Synthase Alpha Chain Chain: A, B Synonym: Aq_1548 Ec: 4.2.1.20 Engineered: Yes		Organism_scientific: Aquifex Aeolicus Organism_taxid: 224324 Strain: Vf5 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl-21 Codonplus(De3)-Ril Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet21a
symmetry	Space Group: P 1 21 1	R_factor 0.184 R_Free 0.220
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.854 72.985 64.942 90.00 90.70 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand		enzyme	Lyase E.C.4.2.1.20 BRENDA
Gene Ontology	Chain Function Process Component A, B

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (97 Kb) [Save to disk] Biological Unit Coordinates (2ekc.pdb1.gz) 48 Kb Biological Unit Coordinates (2ekc.pdb2.gz) 48 Kb CSU: Contacts of Structural Units for 2EKC Likely Quarternary Molecular Structure file(s) for 2EKC Structure Factors (295 Kb) Retrieve 2EKC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2EKC from S2C, [Save to disk] Re-refined 2ekc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2EKC 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 2EKC

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 2EKC, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ekc] [2ekc_A] [2ekc_B] SWISS-PROT database: [O67502] Domain organization of [TRPA_AQUAE] by SWISSPFAM

Other resources with information on 2EKC

Community annotation for 2EKC at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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