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
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
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 Diffractionresolution 1.92 Å
ligand CA, GDP, MG enzyme Transferase E.C. BRENDA
note 3KUC is a representative structure


Primary referenceWhat 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] (51 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
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 3KUC, from MSDmotif at EBI
  • Fold representative 3kuc from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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