2DFK	Cell Cycle	date	Mar 02, 2006
title	Crystal Structure Of The Cdc42-Collybistin II Complex
authors	S.Xiang, E.Y.Kim, J.J.Connelly, N.Nassar, J.Kirsch, J.Winking, G.S H.Schindelin
compound		source
Molecule: Collybistin II Chain: A, C Fragment: Residues 10-411 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Ptyb12
Molecule: Cell Division Cycle 42 Isoform 1 Chain: B, D Synonym: Gtp-Binding Protein, 25kd; Cdc42 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
symmetry	Space Group: P 21 21 21	R_factor 0.180 R_Free 0.229
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.957 147.499 167.220 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.15 Å
ligand	GOL, SO4	enzyme
Gene Ontology	Chain Function Process Component A, C D, B ubiquitin protein ligase act...
Primary reference	The Crystal Structure of Cdc42 in Complex with Collybistin II, a Gephyrin-interacting Guanine Nucleotide Exchange Factor., Xiang S, Kim EY, Connelly JJ, Nassar N, Kirsch J, Winking J, Schwarz G, Schindelin H, J Mol Biol. 2006 Mar 29;. PMID:16616186

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (387 Kb) [Save to disk] Biological Unit Coordinates (2dfk.pdb1.gz) 193 Kb Biological Unit Coordinates (2dfk.pdb2.gz) 190 Kb Biological Unit Coordinates (2dfk.pdb3.gz) 379 Kb LPC: Ligand-Protein Contacts for 2DFK CSU: Contacts of Structural Units for 2DFK Likely Quarternary Molecular Structure file(s) for 2DFK Structure Factors (617 Kb) Retrieve 2DFK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2DFK from S2C, [Save to disk] Re-refined 2dfk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2DFK 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 2DFK

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 2DFK, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2dfk_C] [2dfk_A] [2dfk] [2dfk_D] [2dfk_B] SWISS-PROT database: [Q9QX73] [P60953] Domain organization of [ARHG9_RAT] [CDC42_HUMAN] by SWISSPFAM Domains found in 2DFK: [PH] [RHO] [RhoGEF ] by SMART

Other resources with information on 2DFK

Community annotation for 2DFK at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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