1A0O	Chemotaxis	date	Dec 05, 1997
title	Chey-Binding Domain Of Chea In Complex With Chey
authors	N.Chinardet, M.Welch, L.Mourey, C.Birck, J.P.Samama
compound		source
Molecule: Chey Chain: A, C, E, G Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Cellular_location: Cytoplasm Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Chea Chain: B, D, F, H Fragment: Chea 124-257 Ec: 2.7.3.- Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Cellular_location: Cytoplasm Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 1 21 1	R_factor 0.187 R_Free 0.235
crystal cell	length a length b length c angle alpha angle beta angle gamma 53.900 156.970 65.970 90.00 91.70 90.00
method	X-Ray Diffraction	resolution	2.95 Å
ligand	MN	enzyme	Transferase E.C.2.7.3 BRENDA
related structures	by homologous chain: 1DJM, 1FFW, 1FWP, 1KMI
Gene Ontology	Chain Function Process Component A, C, G, E
Primary reference	Structure of the CheY-binding domain of histidine kinase CheA in complex with CheY., Welch M, Chinardet N, Mourey L, Birck C, Samama JP, Nat Struct Biol 1998 Jan;5(1):25-9. PMID:9437425

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (116 Kb) [Save to disk] Biological Unit Coordinates (1a0o.pdb1.gz) 30 Kb Biological Unit Coordinates (1a0o.pdb2.gz) 30 Kb Biological Unit Coordinates (1a0o.pdb3.gz) 30 Kb Biological Unit Coordinates (1a0o.pdb4.gz) 30 Kb LPC: Ligand-Protein Contacts for 1A0O CSU: Contacts of Structural Units for 1A0O Likely Quarternary Molecular Structure file(s) for 1A0O Structure Factors (195 Kb) Retrieve 1A0O in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A0O from S2C, [Save to disk] Re-refined 1a0o structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1A0O 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 1A0O

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 1A0O, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1a0oa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1a0ob_, region B [Jmol] [rasmolscript] [script source]     - Domain d1a0oc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1a0od_, region D [Jmol] [rasmolscript] [script source]     - Domain d1a0oe_, region E [Jmol] [rasmolscript] [script source]     - Domain d1a0of_, region F [Jmol] [rasmolscript] [script source]     - Domain d1a0og_, region G [Jmol] [rasmolscript] [script source]     - Domain d1a0oh_, region H [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: [1a0o_E] [1a0o_C] [1a0o_H] [1a0o_B] [1a0o_D] [1a0o] [1a0o_F] [1a0o_A] [1a0o_G] SWISS-PROT database: [P07363] [P0AE67] Domain organization of [CHEA_ECOLI] [CHEY_ECOLI] by SWISSPFAM Domain found in 1A0O: [REC ] by SMART

Other resources with information on 1A0O

Community annotation for 1A0O at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1A0O from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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