1SI8	Oxidoreductase	date	Feb 28, 2004
title	Crystal Structure Of E. Faecalis Catalase
authors	K.O.Hakansson, M.Brugna, L.Tasse
compound		source
Molecule: Catalase Chain: A, B, C, D Synonym: Catalaseperoxidase Ec: 1.11.1.6 Engineered: Yes		Organism_scientific: Enterococcus Faecalis Organism_taxid: 226185 Strain: V583 Gene: Kata Expression_system: Bacillus Subtilis Expression_system_taxid: 1423 Expression_system_strain: 168a Expression_system_vector_type: Plasmid Expression_system_plasmid: Phpsk
symmetry	Space Group: H 3	R_factor 0.202 R_Free 0.218
crystal cell	length a length b length c angle alpha angle beta angle gamma 236.860 236.860 198.070 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	CL, HEM, SO4	enzyme	Oxidoreductase E.C.1.11.1.6 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B catalase activity peroxidase activity
Primary reference	The three-dimensional structure of catalase from Enterococcus faecalis., Hakansson KO, Brugna M, Tasse L, Acta Crystallogr D Biol Crystallogr. 2004 Aug;60(Pt 8):1374-80. Epub 2004, Jul 21. PMID:15272159

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (330 Kb) [Save to disk] Biological Unit Coordinates (1si8.pdb1.gz) 323 Kb LPC: Ligand-Protein Contacts for 1SI8 CSU: Contacts of Structural Units for 1SI8 Likely Quarternary Molecular Structure file(s) for 1SI8 Structure Factors (1528 Kb) Retrieve 1SI8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SI8 from S2C, [Save to disk] Re-refined 1si8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SI8 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 1SI8

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 1SI8, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1si8a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1si8b_, region B [Jmol] [rasmolscript] [script source]     - Domain d1si8c_, region C [Jmol] [rasmolscript] [script source]     - Domain d1si8d_, region D [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1si8_C] [1si8_A] [1si8_B] [1si8_D] [1si8] SWISS-PROT database: [Q834P5] Domain organization of [Q834P5_ENTFA] by SWISSPFAM Domain found in 1SI8: [Catalase ] by SMART

Other resources with information on 1SI8

Community annotation for 1SI8 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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