2TSY	Lyase	date	Jan 03, 1997
title	Crystal Structures Of Mutant (Betak87t) Tryptophan Synthase Beta2 Complex With Ligands Bound To The Active Sites Of The Beta Subunits Reveal Ligand-Induced Conformational Changes
authors	S.Rhee, K.D.Parris, C.C.Hyde, S.A.Ahmed, E.W.Miles, D.R.Davies
compound		source
Molecule: Tryptophan Synthase Chain: A Ec: 4.2.1.20 Engineered: Yes Mutation: Yes Other_details: Ligand Glycerol-3-Phosphate Bound To The Alp And L-Serine Bound To The Beta Subunit;		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Cell_line: Cb149 Gene: Trpatrpb Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_cell_line: Cb149 Expression_system_plasmid: Pstb7 Expression_system_gene: Trpatrpb
Molecule: Tryptophan Synthase Chain: B Ec: 4.2.1.20 Engineered: Yes Mutation: Yes Other_details: Ligand Glycerol-3-Phosphate Bound To The Alp And L-Serine Bound To The Beta Subunit		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Cell_line: Cb149 Gene: Trpatrpb Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_cell_line: Cb149 Expression_system_plasmid: Pstb7 Expression_system_gene: Trpatrpb
symmetry	Space Group: C 1 2 1	R_factor 0.187 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 185.700 62.600 67.900 90.00 94.40 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	G3P, NA, PLS	enzyme	Lyase E.C.4.2.1.20 BRENDA
related structures	by homologous chain: 1KFK, 1V7Y
Gene Ontology	Chain Function Process Component A B
Primary reference	Crystal structures of a mutant (betaK87T) tryptophan synthase alpha2beta2 complex with ligands bound to the active sites of the alpha- and beta-subunits reveal ligand-induced conformational changes., Rhee S, Parris KD, Hyde CC, Ahmed SA, Miles EW, Davies DR, Biochemistry 1997 Jun 24;36(25):7664-80. PMID:9201907

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (107 Kb) [Save to disk] Biological Unit Coordinates (2tsy.pdb1.gz) 201 Kb LPC: Ligand-Protein Contacts for 2TSY CSU: Contacts of Structural Units for 2TSY Likely Quarternary Molecular Structure file(s) for 2TSY Structure Factors (174 Kb) Retrieve 2TSY in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2TSY from S2C, [Save to disk] Re-refined 2tsy structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2TSY 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 2TSY

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 2TSY, from MSDmotif at EBI Genome occurence of 2TSY's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2tsya_, region A [Jmol] [rasmolscript] [script source]     - Domain d2tsyb_, region B [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: [2tsy] [2tsy_A] [2tsy_B] SWISS-PROT database: [P00929] [P0A2K1] Domain organization of [TRPA_SALTY] [TRPB_SALTY] by SWISSPFAM

Other resources with information on 2TSY

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

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