1FFG	Transferase Signaling Protein	date	Jul 25, 2000
title	Chey-Binding Domain Of Chea In Complex With Chey At 2.1 A Re
authors	P.Gouet, N.Chinardet, M.Welch, V.Guillet, C.Birck, L.Mourey, J.P.
compound		source
Molecule: Chemotaxis Protein Chey Chain: A, C Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_cellular_location: Cytoplasm
Molecule: Chemotaxis Protein Chea Chain: B, D Fragment: Rsidues 124-257 Ec: 2.7.3.- Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_cellular_location: Cytoplasm
symmetry	Space Group: P 21 21 21	R_factor 0.188 R_Free 0.220
crystal cell	length a length b length c angle alpha angle beta angle gamma 157.600 53.800 76.600 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	MN	enzyme	Transferase E.C.2.7.3 BRENDA
related structures	by homologous chain: 1AB6, 1EAY, 1FFS, 1VLZ
Gene Ontology	Chain Function Process Component A, C
Primary reference	Further insights into the mechanism of function of the response regulator CheY from crystallographic studies of the CheY--CheA(124--257) complex., Gouet P, Chinardet N, Welch M, Guillet V, Cabantous S, Birck C, Mourey L, Samama JP, Acta Crystallogr D Biol Crystallogr. 2001 Jan;57(Pt 1):44-51. PMID:11134926

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk] Biological Unit Coordinates (1ffg.pdb1.gz) 34 Kb Biological Unit Coordinates (1ffg.pdb2.gz) 33 Kb LPC: Ligand-Protein Contacts for 1FFG CSU: Contacts of Structural Units for 1FFG Likely Quarternary Molecular Structure file(s) for 1FFG Structure Factors (281 Kb) Retrieve 1FFG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1FFG from S2C, [Save to disk] Re-refined 1ffg structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1FFG 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 1FFG

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 1FFG, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ffga_, region A [Jmol] [rasmolscript] [script source]     - Domain d1ffgb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1ffgc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1ffgd_, 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: [1ffg_A] [1ffg_B] [1ffg] [1ffg_D] [1ffg_C] SWISS-PROT database: [P07363] [P0AE67] Domain organization of [CHEA_ECOLI] [CHEY_ECOLI] by SWISSPFAM Domain found in 1FFG: [REC ] by SMART

Other resources with information on 1FFG

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

Movements, Movies and Images

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

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