1V7Y	Lyase	date	Dec 25, 2003
title	Crystal Structure Of Tryptophan Synthase Alpha-Subunit From Escherichia Coli At Room Temperature
authors	K.Nishio, Y.Morimoto, M.Ishizuka, K.Ogasahara, K.Yutani, T.Tsukih Structural Genomicsproteomics Initiative (Rsgi)
compound		source
Molecule: Tryptophan Synthase Alpha Chain Chain: A, B Ec: 4.2.1.20 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Puc8ptrpa, Trpa
symmetry	Space Group: C 1 2 1	R_factor 0.218 R_Free 0.271
crystal cell	length a length b length c angle alpha angle beta angle gamma 158.420 45.100 72.060 90.00 96.90 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	SO4	enzyme	Lyase E.C.4.2.1.20 BRENDA
related structures	by homologous chain: 1XC4, 2TSY
Gene Ontology	Chain Function Process Component A, B
Primary reference	Conformational Changes in the alpha-Subunit Coupled to Binding of the beta(2)-Subunit of Tryptophan Synthase from Escherichia coli: Crystal Structure of the Tryptophan Synthase alpha-Subunit Alone(,)., Nishio K, Morimoto Y, Ishizuka M, Ogasahara K, Tsukihara T, Yutani K, Biochemistry 2005 Feb 1;44(4):1184-1192. PMID:15667212

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (81 Kb) [Save to disk] Biological Unit Coordinates (1v7y.pdb1.gz) 40 Kb Biological Unit Coordinates (1v7y.pdb2.gz) 39 Kb Biological Unit Coordinates (1v7y.pdb3.gz) 77 Kb LPC: Ligand-Protein Contacts for 1V7Y CSU: Contacts of Structural Units for 1V7Y Likely Quarternary Molecular Structure file(s) for 1V7Y Retrieve 1V7Y in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1V7Y from S2C, [Save to disk]

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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 1V7Y

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1V7Y, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1v7y_B] [1v7y_A] [1v7y] SWISS-PROT database: [P0A877] Domain organization of [TRPA_ECOLI] by SWISSPFAM

Other resources with information on 1V7Y

Community annotation for 1V7Y at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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