1Z3E	Transcription	date	Mar 11, 2005
title	Crystal Structure Of Spx In Complex With The C-Terminal Doma Rna Polymerase Alpha Subunit
authors	K.J.Newberry, S.Nakano, P.Zuber, R.G.Brennan
compound		source
Molecule: Regulatory Protein Spx Chain: A Fragment: Transcription Regulator Engineered: Yes		Organism_scientific: Bacillus Subtilis Organism_taxid: 1423 Gene: Spxa Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Psn17
Molecule: Dna-Directed Rna Polymerase Alpha Chain Chain: B Fragment: C-Terminal Domain Of Rna Polymerase Alpha Subunit Synonym: Rnap Alpha Subunit, Transcriptase Alpha Chain, Rna Polymerase Alpha Subunit; Ec: 2.7.7.6 Engineered: Yes		Organism_scientific: Bacillus Subtilis Organism_taxid: 1423 Gene: Rpoa Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Psn106
symmetry	Space Group: H 3	R_factor 0.196 R_Free 0.220
crystal cell	length a length b length c angle alpha angle beta angle gamma 96.440 96.440 57.100 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.50 Å
ligand	SO4	enzyme	Transferase E.C.2.7.7.6 BRENDA
note	1Z3E is a representative structure
Gene Ontology	Chain Function Process Component A B
Primary reference	Crystal structure of the Bacillus subtilis anti-alpha, global transcriptional regulator, Spx, in complex with the alpha C-terminal domain of RNA polymerase., Newberry KJ, Nakano S, Zuber P, Brennan RG, Proc Natl Acad Sci U S A. 2005 Nov 1;102(44):15839-44. Epub 2005 Oct 25. PMID:16249335

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (38 Kb) [Save to disk] Biological Unit Coordinates (1z3e.pdb1.gz) 35 Kb LPC: Ligand-Protein Contacts for 1Z3E CSU: Contacts of Structural Units for 1Z3E Likely Quarternary Molecular Structure file(s) for 1Z3E Structure Factors (330 Kb) Retrieve 1Z3E in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Z3E from S2C, [Save to disk] Re-refined 1z3e structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Z3E 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 1Z3E

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 1Z3E, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1z3e] [1z3e_A] [1z3e_B] SWISS-PROT database: [P20429] [O31602] Domain organization of [RPOA_BACSU] [SPX_BACSU] by SWISSPFAM

Other resources with information on 1Z3E

Community annotation for 1Z3E at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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