1G4U	Signaling Protein	date	Oct 28, 2000
title	Crystal Structure Of The Salmonella Tyrosine Phosphatase And Activating Protein Sptp Bound To Rac1
authors	C.E.Stebbins, J.E.Galan
compound		source
Molecule: Protein Tyrosine Phosphatase Sptp Chain: S Fragment: Sptp Residues 161-543 Engineered: Yes		Organism_scientific: Salmonella Typhimurium Organism_taxid: 602 Gene: Sptp Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-4t-3
Molecule: Ras-Related C3 Botulinum Toxin Substrate 1 Chain: R Fragment: Rac1 Residues 1-184 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Rac1 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-4t-3
symmetry	Space Group: P 1	R_factor 0.204 R_Free 0.258
crystal cell	length a length b length c angle alpha angle beta angle gamma 56.722 58.260 60.324 70.03 69.51 65.03
method	X-Ray Diffraction	resolution	2.30 Å
ligand	AF3, GDP, MG	enzyme
related structures	by homologous chain: 1G4W, 1GZS, 1NF3
Gene Ontology	Chain Function Process Component R S
Primary reference	Modulation of host signaling by a bacterial mimic: structure of the Salmonella effector SptP bound to Rac1., Stebbins CE, Galan JE, Mol Cell 2000 Dec;6(6):1449-60. PMID:11163217

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (97 Kb) [Save to disk] Biological Unit Coordinates (1g4u.pdb1.gz) 92 Kb LPC: Ligand-Protein Contacts for 1G4U CSU: Contacts of Structural Units for 1G4U Likely Quarternary Molecular Structure file(s) for 1G4U Retrieve 1G4U in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1G4U from S2C, [Save to disk]

View 1G4U 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 1G4U

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1G4U, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1g4ur_, region R [Jmol] [rasmolscript] [script source]     - Domain d1g4us1, region S:167-296 [Jmol] [rasmolscript] [script source]     - Domain d1g4us2, region S:297-539 [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: [1g4u_S] [1g4u_R] [1g4u] SWISS-PROT database: [P63000] [P74873] Domain organization of [RAC1_HUMAN] [SPTP_SALTY] by SWISSPFAM Domains found in 1G4U: [PTPc] [RHO ] by SMART

Other resources with information on 1G4U

Community annotation for 1G4U at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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