1A50	Lyase	date	Feb 18, 1998
title	Crystal Structure Of Wild-Type Tryptophan Synthase Complexed Fluoroindole Propanol Phosphate
authors	T.R.Schneider, E.Gerhardt, M.Lee, P.H.Liang, K.S.Anderson, I.Sch
compound		source
Molecule: Tryptophan Synthase (Alpha Chain) Chain: A Ec: 4.2.1.20 Other_details: Inhibitor 5-Fluoroindole Propanol Phosphate The Alpha Site;		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Cell_line: Cb149 Plasmid: Pstb7
Molecule: Tryptophan Synthase (Beta Chain) Chain: B Ec: 4.2.1.20 Other_details: Inhibitor 5-Fluoroindole Propanol Phosphate The Alpha Site		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Cell_line: Cb149 Plasmid: Pstb7
symmetry	Space Group: C 1 2 1	R_factor 0.177 R_Free 0.247
crystal cell	length a length b length c angle alpha angle beta angle gamma 182.700 60.700 67.500 90.00 94.50 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	FIP, NA, PLP	enzyme	Lyase E.C.4.2.1.20 BRENDA
related structures	by homologous chain: 1A5S, 1K7E
Gene Ontology	Chain Function Process Component A B
Primary reference	Loop closure and intersubunit communication in tryptophan synthase., Schneider TR, Gerhardt E, Lee M, Liang PH, Anderson KS, Schlichting I, Biochemistry 1998 Apr 21;37(16):5394-406. PMID:9548921

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (107 Kb) [Save to disk] Biological Unit Coordinates (1a50.pdb1.gz) 203 Kb LPC: Ligand-Protein Contacts for 1A50 CSU: Contacts of Structural Units for 1A50 Likely Quarternary Molecular Structure file(s) for 1A50 Retrieve 1A50 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A50 from S2C, [Save to disk]

View 1A50 in 3D

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Visual 3D analysis of 1A50

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1A50, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1a50a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1a50b_, 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: [1a50_A] [1a50_B] [1a50] SWISS-PROT database: [P00929] [P0A2K1] Domain organization of [TRPA_SALTY] [TRPB_SALTY] by SWISSPFAM

Other resources with information on 1A50

Community annotation for 1A50 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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