1Q98	Oxidoreductase	date	Aug 22, 2003
title	Structure Of A Thiol Peroxidase From Haemophilus Influenzae
authors	R.Kniewel, J.Buglino, V.Solorzano, J.Wu, C.D.Lima, S.K.Burley, New Research Center For Structural Genomics (Nysgxrc)
compound		source
Molecule: Thiol Peroxidase Chain: A, B Synonym: Tpx Ec: 1.11.1.- Engineered: Yes		Organism_scientific: Haemophilus Influenzae Organism_taxid: 727 Gene: Tpx, Hi0751 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 De3 Expression_system_vector_type: Pet T7 Expression_system_plasmid: Pet28b
symmetry	Space Group: P 1 21 1	R_factor 0.225 R_Free 0.267
crystal cell	length a length b length c angle alpha angle beta angle gamma 35.033 43.667 104.587 90.00 97.34 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand		enzyme	Oxidoreductase E.C.1.11.1 BRENDA
related structures	by homologous chain: 1QXH
Gene Ontology	Chain Function Process Component A, B peroxidase activity thioredoxin peroxidase activ... antioxidant activity

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (60 Kb) [Save to disk] Biological Unit Coordinates (1q98.pdb1.gz) 55 Kb CSU: Contacts of Structural Units for 1Q98 Likely Quarternary Molecular Structure file(s) for 1Q98 Structure Factors (184 Kb) Retrieve 1Q98 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q98 from S2C, [Save to disk] Re-refined 1q98 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Q98 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 1Q98

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 1Q98, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1q98a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1q98b_, 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: [1q98_B] [1q98] [1q98_A] SWISS-PROT database: [Q57549] Domain organization of [TPX_HAEIN] by SWISSPFAM

Other resources with information on 1Q98

Community annotation for 1Q98 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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