1QXH	Oxidoreductase	date	Sep 06, 2003
title	Crystal Structure Of Escherichia Coli Thiol Peroxidase In The Oxidized State
authors	J.Choi, S.Choi, J.Choi, W.Shin
compound		source
Molecule: Thiol Peroxidase Chain: A, B Synonym: Scavengase P20 Ec: 1.11.1.- Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pt7-7
symmetry	Space Group: P 21 21 21	R_factor 0.191 R_Free 0.249
crystal cell	length a length b length c angle alpha angle beta angle gamma 38.654 58.428 127.686 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand		enzyme	Oxidoreductase E.C.1.11.1 BRENDA
related structures	by homologous chain: 1Q98
Gene Ontology	Chain Function Process Component A, B peroxidase activity thioredoxin peroxidase activ... antioxidant activity
Primary reference	Crystal structure of Escherichia coli thiol peroxidase in the oxidized state: insights into intramolecular disulfide formation and substrate binding in atypical 2-Cys peroxiredoxins., Choi J, Choi S, Choi J, Cha MK, Kim IH, Shin W, J Biol Chem 2003 Dec 5;278(49):49478-86. Epub 2003 Sep 23. PMID:14506251

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (60 Kb) [Save to disk] Biological Unit Coordinates (1qxh.pdb1.gz) 57 Kb CSU: Contacts of Structural Units for 1QXH Likely Quarternary Molecular Structure file(s) for 1QXH Structure Factors (128 Kb) Retrieve 1QXH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QXH from S2C, [Save to disk] Re-refined 1qxh structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QXH 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 1QXH

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 1QXH, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qxha_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qxhb_, 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: [1qxh] [1qxh_B] [1qxh_A] SWISS-PROT database: [P0A862] Domain organization of [TPX_ECOLI] by SWISSPFAM

Other resources with information on 1QXH

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

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---