1WAS	Chemotaxis	date	Mar 09, 1993
title	The Three-Dimensional Structure Of The Ligand-Binding Domain Wild-Type Bacterial Chemotaxis Receptor
authors	S.H.Kim
compound		source
Molecule: Bacterial Aspartate Receptor Chain: A Engineered: Yes		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Expression_system_vector_type: Bacterial
symmetry	Space Group: I 41	R_factor 0.192 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 65.050 65.050 72.370 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.70 Å
related structures	by homologous chain: 1WAT, 2ASR
Gene Ontology	Chain Function Process Component A
Primary reference	The three-dimensional structure of the ligand-binding domain of a wild-type bacterial chemotaxis receptor. Structural comparison to the cross-linked mutant forms and conformational changes upon ligand binding., Yeh JI, Biemann HP, Pandit J, Koshland DE, Kim SH, J Biol Chem 1993 May 5;268(13):9787-92. PMID:8486661

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (26 Kb) [Save to disk] Biological Unit Coordinates (1was.pdb1.gz) 22 Kb CSU: Contacts of Structural Units for 1WAS Likely Quarternary Molecular Structure file(s) for 1WAS Retrieve 1WAS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1WAS from S2C, [Save to disk]

View 1WAS 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 1WAS

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1WAS, from MSDmotif at EBI Genome occurence of 1WAS's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1was__, region [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: [1was_A] [1was] SWISS-PROT database: [P02941] Domain organization of [MCP2_SALTY] by SWISSPFAM Domain found in 1WAS: [TarH ] by SMART

Other resources with information on 1WAS

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

Movements, Movies and Images

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

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