1OR7	Transcription	date	Mar 12, 2003
title	Crystal Structure Of Escherichia Coli Sigmae With The Cytopl Domain Of Its Anti-Sigma Rsea
authors	E.A.Campbell, J.L.Tupy, T.M.Gruber, S.Wang, M.M.Sharp, C.A.Gross,
compound		source
Molecule: Rna Polymerase Sigma-E Factor Chain: A, B Synonym: Sigma-24 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Rpoe Or Sige Or B2573 Or C3097 Or Z3855 Or Ecs3439 Or Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Plc31
Molecule: Sigma-E Factor Negative Regulatory Protein Chain: C, F Fragment: Rsea-N, Residues 1-90 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Rsea Or Mcla Or B2572 Or C3096 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Plc31
symmetry	Space Group: C 1 2 1	R_factor 0.197 R_Free 0.231
crystal cell	length a length b length c angle alpha angle beta angle gamma 140.049 56.901 104.981 90.00 130.51 90.00
method	X-Ray Diffraction	resolution	2.00 Å
note	1OR7 is a representative structure
Gene Ontology	Chain Function Process Component A, B bacterial sigma factor activ... F, C
Primary reference	Crystal structure of Escherichia coli sigmaE with the cytoplasmic domain of its anti-sigma RseA., Campbell EA, Tupy JL, Gruber TM, Wang S, Sharp MM, Gross CA, Darst SA, Mol Cell 2003 Apr;11(4):1067-78. PMID:12718891

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk] Biological Unit Coordinates (1or7.pdb1.gz) 42 Kb Biological Unit Coordinates (1or7.pdb2.gz) 40 Kb Biological Unit Coordinates (1or7.pdb3.gz) 79 Kb CSU: Contacts of Structural Units for 1OR7 Likely Quarternary Molecular Structure file(s) for 1OR7 Structure Factors (443 Kb) Retrieve 1OR7 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1OR7 from S2C, [Save to disk] Re-refined 1or7 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1OR7 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 1OR7

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 1OR7, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1or7a2, region A:-1-111 [Jmol] [rasmolscript] [script source]     - Domain d1or7a1, region A:120-187 [Jmol] [rasmolscript] [script source]     - Domain d1or7b2, region B:-1-91 [Jmol] [rasmolscript] [script source]     - Domain d1or7b1, region B:120-190 [Jmol] [rasmolscript] [script source]     - Domain d1or7c_, region C [Jmol] [rasmolscript] [script source]     - Domain d1or7f_, region F [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1or7] [1or7_B] [1or7_F] [1or7_A] [1or7_C] SWISS-PROT database: [P0AGB6] [P0AFX7] Domain organization of [RPOE_ECOLI] [RSEA_ECOLI] by SWISSPFAM

Other resources with information on 1OR7

Community annotation for 1OR7 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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