1KFJ	Lyase	date	Nov 21, 2001
title	Crystal Structure Of Wild-Type Tryptophan Synthase Complexed Serine
authors	V.Kulik, M.Weyand, R.Seidel, D.Niks, D.Arac, M.F.Dunn, I.Schlichti
compound		source
Molecule: Tryptophan Synthase Alpha Chain Chain: A Synonym: Trpa Ec: 4.2.1.20 Engineered: Yes		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Gene: Trpatrpb Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Cb149 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pstb7
Molecule: Tryptophan Synthase Beta Chain Chain: B Ec: 4.2.1.20 Engineered: Yes		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Gene: Trpatrpb Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Cb149 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pstb7
symmetry	Space Group: C 1 2 1	R_factor 0.174 R_Free 0.211
crystal cell	length a length b length c angle alpha angle beta angle gamma 183.230 59.679 67.462 90.00 94.65 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	NA, PLS	enzyme	Lyase E.C.4.2.1.20 BRENDA
related structures	by homologous chain: 1KFB, 1QOQ, 1XCF
Gene Ontology	Chain Function Process Component A B
Primary reference	On the role of alphaThr183 in the allosteric regulation and catalytic mechanism of tryptophan synthase., Kulik V, Weyand M, Seidel R, Niks D, Arac D, Dunn MF, Schlichting I, J Mol Biol 2002 Dec 6;324(4):677-90. PMID:12460570

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (109 Kb) [Save to disk] Biological Unit Coordinates (1kfj.pdb1.gz) 206 Kb LPC: Ligand-Protein Contacts for 1KFJ CSU: Contacts of Structural Units for 1KFJ Likely Quarternary Molecular Structure file(s) for 1KFJ Structure Factors (530 Kb) Retrieve 1KFJ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KFJ from S2C, [Save to disk] Re-refined 1kfj structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1KFJ in 3D

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Visual 3D analysis of 1KFJ

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 1KFJ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kfja_, region A [Jmol] [rasmolscript] [script source]     - Domain d1kfjb_, 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: [1kfj_A] [1kfj] [1kfj_B] SWISS-PROT database: [P00929] [P0A2K1] Domain organization of [TRPA_SALTY] [TRPB_SALTY] by SWISSPFAM

Other resources with information on 1KFJ

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

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