2H27	Transferase Dna	date	May 18, 2006
title	Crystal Structure Of Escherichia Coli Sigmae Region 4 Bound Element Dna
authors	W.J.Lane, S.A.Darst
compound		source
Molecule: 5'-D(Cpcpcpgpgpapapcptptpcpg)-3' Chain: B, E Synonym: Sigma-24 Engineered: Yes Other_details: Sigmae -35 Concensus Dna Template Strand		Synthetic: Yes Other_details: Hplc Purified
Molecule: 5'-D(Ccpgpapapgptptpcpcpgpg)-3' Chain: C, F Engineered: Yes Other_details: Sigmae -35 Concensus Dna Non-Template Strand		Synthetic: Yes Other_details: Hplc Purified
Molecule: Rna Polymerase Sigma E Factor Chain: A, D Fragment: Region 4 Engineered: Yes		Organism_scientific: Escherichia Coli K12 Organism_taxid: 83333 Strain: K-12 Gene: Rpoe Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pwjl3
symmetry	Space Group: P 1 21 1	R_factor 0.241 R_Free 0.253
crystal cell	length a length b length c angle alpha angle beta angle gamma 55.009 68.709 61.133 90.00 101.25 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	MPD	enzyme
Gene Ontology	Chain Function Process Component A, D
Primary reference	The Structural Basis for Promoter -35 Element Recognition by the Group IV sigma Factors., Lane WJ, Darst SA, PLoS Biol. 2006 Aug 15;4(9). PMID:16903784

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (2h27.pdb1.gz) 23 Kb Biological Unit Coordinates (2h27.pdb2.gz) 22 Kb LPC: Ligand-Protein Contacts for 2H27 CSU: Contacts of Structural Units for 2H27 Likely Quarternary Molecular Structure file(s) for 2H27 Structure Factors (285 Kb) Retrieve 2H27 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2H27 from S2C, [Save to disk] Re-refined 2h27 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2H27 in 3D

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Visual 3D analysis of 2H27

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 2H27, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2h27_E] [2h27_F] [2h27_A] [2h27_B] [2h27] [2h27_D] [2h27_C] SWISS-PROT database: [P0AGB6] Domain organization of [RPOE_ECOLI] by SWISSPFAM

Other resources with information on 2H27

Community annotation for 2H27 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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