3KUC	Gtp Binding Protein Transferase	date	Nov 27, 2009
title	Complex Of Rap1a(E30dk31e)Gdp With Rafrbd(A85kn71r)
authors	D.Filchtinski, O.Sharabi, A.Rueppel, I.R.Vetter, C.Herrmann, J.M.
compound		source
Molecule: Ras-Related Protein Rap-1a Chain: A Fragment: Unp Residues 1-167 Synonym: Gtp-Binding Protein Smg-P21a, Ras-Related Protein C21kg, G-22k; Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Rap1a, Krev1 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Raf Proto-Oncogene Serinethreonine-Protein Kinas Chain: B Fragment: Unp Residues 51-131 Synonym: C-Raf, Craf, Raf-1 Ec: 2.7.11.1 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Raf1, Raf Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.174 R_Free 0.209
crystal cell	length a length b length c angle alpha angle beta angle gamma 43.120 68.540 101.630 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.92 Å
ligand	CA, GDP, MG	enzyme	Transferase E.C.2.7.11.1 BRENDA
note	3KUC is a representative structure
Gene Ontology	Chain Function Process Component A B
Primary reference	What makes Ras an efficient molecular switch: a computational, biophysical, and structural study of Ras-GDP interactions with mutants of Raf., Filchtinski D, Sharabi O, Ruppel A, Vetter IR, Herrmann C, Shifman JM, J Mol Biol. 2010 Jun 11;399(3):422-35. Epub 2010 Mar 31. PMID:20361980

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk] Biological Unit Coordinates (3kuc.pdb1.gz) 45 Kb LPC: Ligand-Protein Contacts for 3KUC CSU: Contacts of Structural Units for 3KUC Structure Factors (167 Kb) Retrieve 3KUC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3KUC from S2C, [Save to disk] Re-refined 3kuc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3KUC 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 3KUC

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 3KUC, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3kuc_A] [3kuc_B] [3kuc] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 3KUC: [RAS] [RBD ] by SMART

Other resources with information on 3KUC

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

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