2CLF	Lyase	date	Apr 27, 2006
title	Tryptophan Synthase In Complex With N-(4'- Trifluoromethoxybenzoyl)-2-Amino-1-Ethylphosphate (F6) - Highf6 Complex
authors	H.Ngo, R.Harris, N.Kimmich, P.Casino, D.Niks, L.Blumenstein, T.R.Barends, V.Kulik, M.Weyand, I.Schlichting, M.F.Dunn
compound		source
Molecule: Tryptophan Synthase Alpha Chain Chain: A Ec: 4.2.1.20 Engineered: Yes		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Cb149 Expression_system_plasmid: Pstb7
Molecule: Tryptophan Synthase Beta Chain Chain: B Ec: 4.2.1.20 Engineered: Yes Other_details: Internal Aldimine Formed Between B-K87 And C4 Of Pyridoxal-5'-Phosphate		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Cb149 Expression_system_plasmid: Pstb7
symmetry	Space Group: C 1 2 1	R_factor 0.176 R_Free 0.196
crystal cell	length a length b length c angle alpha angle beta angle gamma 182.840 58.989 67.423 90.00 94.78 90.00
method	X-Ray Diffraction	resolution	1.7 Å
ligand	F6F, NA, PLP	enzyme	Lyase E.C.4.2.1.20 BRENDA
Gene Ontology	Chain Function Process Component A B
Primary reference	Synthesis and characterization of allosteric probes of substrate channeling in the tryptophan synthase bienzyme complex., Ngo H, Harris R, Kimmich N, Casino P, Niks D, Blumenstein L, Barends TR, Kulik V, Weyand M, Schlichting I, Dunn MF, Biochemistry. 2007 Jul 3;46(26):7713-27. Epub 2007 Jun 9. PMID:17559195

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (118 Kb) [Save to disk] Biological Unit Coordinates (2clf.pdb1.gz) 221 Kb LPC: Ligand-Protein Contacts for 2CLF CSU: Contacts of Structural Units for 2CLF Likely Quarternary Molecular Structure file(s) for 2CLF Structure Factors (800 Kb) Retrieve 2CLF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2CLF from S2C, [Save to disk] Re-refined 2clf structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2CLF 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 2CLF

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 2CLF, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2clf_A] [2clf] [2clf_B] SWISS-PROT database: [P00929] [P0A2K1] Domain organization of [TRPA_SALTY] [TRPB_SALTY] by SWISSPFAM

Other resources with information on 2CLF

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

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