3CF6	Signaling Protein Gtp-Binding Protein	date	Mar 02, 2008
title	Structure Of Epac2 In Complex With Cyclic-Amp And Rap
authors	H.Rehmann, E.Arias-Palomo, M.A.Hadders, F.Schwede, O.Llorca, J.L.
compound		source
Molecule: Rap Guanine Nucleotide Exchange Factor (Gef) 4 Chain: E Fragment: Unp Residues 306-993 Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: Mouse Organism_taxid: 10090 Gene: Rapgef4 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Ck600k Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex4t1 Other_details: Gst Fusion
Molecule: Ras-Related Protein Rap-1b Chain: R Fragment: Unp Residues 1-167 Synonym: Gtp-Binding Protein Smg P21b, Rap1b Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Rap1b Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Ck600k Expression_system_vector_type: Plasmid Expression_system_plasmid: Ptac
symmetry	Space Group: I 21 21 21	R_factor 0.243 R_Free 0.265
crystal cell	length a length b length c angle alpha angle beta angle gamma 125.367 149.025 225.291 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	SO4, SP1	enzyme
Gene Ontology	Chain Function Process Component E R
Primary reference	Structure of Epac2 in complex with a cyclic AMP analogue and RAP1B., Rehmann H, Arias-Palomo E, Hadders MA, Schwede F, Llorca O, Bos JL, Nature. 2008 Sep 4;455(7209):124-7. Epub 2008 Jul 27. PMID:18660803

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (136 Kb) [Save to disk] Biological Unit Coordinates (3cf6.pdb1.gz) 258 Kb Biological Unit Coordinates (3cf6.pdb2.gz) 130 Kb LPC: Ligand-Protein Contacts for 3CF6 CSU: Contacts of Structural Units for 3CF6 Likely Quarternary Molecular Structure file(s) for 3CF6 Structure Factors (867 Kb) Retrieve 3CF6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CF6 from S2C, [Save to disk] Re-refined 3cf6 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CF6 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 3CF6

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 3CF6, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3cf6_R] [3cf6_E] [3cf6] SWISS-PROT database: [P61224] [Q9EQZ6] Domain organization of [RAP1B_HUMAN] [RPGF4_MOUSE] by SWISSPFAM Domains found in 3CF6: [RAS] [RasGEF] [RasGEFN] [cNMP ] by SMART

Other resources with information on 3CF6

Community annotation for 3CF6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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