1TXX	Oxidoreductase	date	Apr 07, 1999
title	Active-Site Variant Of E.Coli Thioredoxin
authors	L.W.Schultz, P.T.Chivers, R.T.Raines
compound		source
Molecule: Protein (Thioredoxin) Chain: A Ec: 1.8.-.- Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Cellular_location: Cytoplasm Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21de3 Expression_system_cellular_location: Periplasm
symmetry	Space Group: P 43 21 2	R_factor 0.171 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 42.530 42.530 105.240 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	CU	enzyme	Oxidoreductase E.C.1.8 BRENDA
related structures	by homologous chain: 1TK5, 1X9M
Gene Ontology	Chain Function Process Component A DNA polymerase processivity ...
Primary reference	The CXXC motif: crystal structure of an active-site variant of Escherichia coli thioredoxin., Schultz LW, Chivers PT, Raines RT, Acta Crystallogr D Biol Crystallogr 1999 Sep;55 ( Pt 9):1533-8. PMID:10489448

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (23 Kb) [Save to disk] Biological Unit Coordinates (1txx.pdb1.gz) 19 Kb LPC: Ligand-Protein Contacts for 1TXX CSU: Contacts of Structural Units for 1TXX Likely Quarternary Molecular Structure file(s) for 1TXX Structure Factors (42 Kb) Retrieve 1TXX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1TXX from S2C, [Save to disk] Re-refined 1txx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1TXX 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 1TXX

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 1TXX, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1txxa_, region A [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: [1txx_A] [1txx] SWISS-PROT database: [P0AA25] Domain organization of [THIO_ECOLI] by SWISSPFAM

Other resources with information on 1TXX

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

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