1A4R	Hydrolase	date	Feb 02, 1998
title	G12v Mutant Of Human Placental Cdc42 Gtpase In The Gdp Form
authors	M.G.Rudolph, I.R.Vetter, A.Wittinghofer
compound		source
Molecule: G25k Gtp-Binding Protein Chain: A, B Synonym: G25k, Cdc42 Homolog Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell_line: Bl21 Tissue: Placenta Cellular_location: Cytoplasm, Inner Side Of Membrane Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_cellular_location: Cytoplasm Expression_system_vector_type: Plasmid Expression_system_vector: Escherichia Coli Expression_system_plasmid: Pgex2t
symmetry	Space Group: P 41 21 2	R_factor 0.228 R_Free 0.280
crystal cell	length a length b length c angle alpha angle beta angle gamma 98.650 98.650 104.160 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand	GDP, GNH, MG	enzyme
related structures	by homologous chain: 1E96, 1I4D
Gene Ontology	Chain Function Process Component A, B ubiquitin protein ligase act...
Primary reference	Nucleotide binding to the G12V-mutant of Cdc42 investigated by X-ray diffraction and fluorescence spectroscopy: two different nucleotide states in one crystal., Rudolph MG, Wittinghofer A, Vetter IR, Protein Sci 1999 Apr;8(4):778-87. PMID:10211824

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk] Biological Unit Coordinates (1a4r.pdb1.gz) 63 Kb LPC: Ligand-Protein Contacts for 1A4R CSU: Contacts of Structural Units for 1A4R Likely Quarternary Molecular Structure file(s) for 1A4R Structure Factors (282 Kb) Retrieve 1A4R in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A4R from S2C, [Save to disk] Re-refined 1a4r structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1A4R in 3D

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Visual 3D analysis of 1A4R

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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 1A4R, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1a4ra_, region A [Jmol] [rasmolscript] [script source]     - Domain d1a4rb_, region B [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: [1a4r_A] [1a4r_B] [1a4r] SWISS-PROT database: [P60953] Domain organization of [CDC42_HUMAN] by SWISSPFAM Domain found in 1A4R: [RHO ] by SMART

Other resources with information on 1A4R

Community annotation for 1A4R at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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