1KU7	Transcription Dna	date	Jan 21, 2002
title	Crystal Structure Of Thermus Aquatics Rna Polymerase Sigmaa Region 4 Bound To-35 Element Dna
authors	E.A.Campbell, O.Muzzin, M.Chlenov, J.L.Sun, C.A.Olson, O.Weinman, M.L.Trester-Zedlitz, S.A.Darst
compound		source
Molecule: 5'-D(Cpcptptpgpapcpapapapg)-3' Chain: B Engineered: Yes Other_details: -35 Element Dna		Synthetic: Yes
Molecule: 5'-D(Cpcptptptpgptpcpapapg)-3' Chain: C Engineered: Yes		Synthetic: Yes
Molecule: Sigma Factor Siga Chain: A, D Fragment: Region 4 (Residues 366-438) Engineered: Yes Mutation: Yes		Organism_scientific: Thermus Aquaticus Organism_taxid: 271 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.255 R_Free 0.293
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.180 62.650 94.810 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
related structures	by homologous chain: 1RIO
Gene Ontology	Chain Function Process Component A, D
Primary reference	Structure of the bacterial RNA polymerase promoter specificity sigma subunit., Campbell EA, Muzzin O, Chlenov M, Sun JL, Olson CA, Weinman O, Trester-Zedlitz ML, Darst SA, Mol Cell 2002 Mar;9(3):527-39. PMID:11931761

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk] Biological Unit Coordinates (1ku7.pdb1.gz) 33 Kb CSU: Contacts of Structural Units for 1KU7 Likely Quarternary Molecular Structure file(s) for 1KU7 Retrieve 1KU7 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KU7 from S2C, [Save to disk]

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Visual 3D analysis of 1KU7

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1KU7, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ku7a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ku7d_, region D [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: [1ku7_C] [1ku7] [1ku7_B] [1ku7_A] [1ku7_D] SWISS-PROT database: [Q9EZJ8] Domain organization of [Q9EZJ8_THEAQ] by SWISSPFAM

Other resources with information on 1KU7

Community annotation for 1KU7 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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