1GUA Complex (Gtp-Binding Atp-Binding) date Jun 18, 1996
title Human Rap1a, Residues 1-167, Double Mutant (E30d,K31e) Complexed With Gppnhp And The Ras-Binding-Domain Of Human C-Raf1, Residues 51-131
authors N.Nassar, A.Wittinghofer
compound source
Molecule: Rap1a
Chain: A
Fragment: Residues 1-167
Engineered: Yes
Mutation: Yes
Other_details: Complexed To 5'-Guanosyl-Imido-Triphosphate
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Human C-Raf1 Gene Residues 51
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Ck600k
Expression_system_plasmid: Ptac
Expression_system_gene: Human Rap1a Gene

Molecule: C-Raf1
Chain: B
Fragment: Residues 51-131
Ec: 2.7.1.-
Engineered: Yes
Other_details: Human Rap1a And C-Raf1

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Human C-Raf1 Gene Residues 51
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_plasmid: Pgex-Rafrbd
Expression_system_gene: Human C-Raf1 Gene, Residues 51-131
Other_details: Purified As A Gst-Fusion Protein With Thrombin Cleavage Site
symmetry Space Group: P 21 21 21
R_factor 0.220 R_Free NULL
length a length b length c angle alpha angle beta angle gamma
44.500 71.800 100.300 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand CA, GNP, MG enzyme Transferase E.C.2.7.1 BRENDA
related structures by homologous chain: 1C1Y, 1RRB, 3RAP


Primary referenceRas/Rap effector specificity determined by charge reversal., Nassar N, Horn G, Herrmann C, Block C, Janknecht R, Wittinghofer A, Nat Struct Biol 1996 Aug;3(8):723-9. PMID:8756332
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk]
  • Biological Unit Coordinates (1gua.pdb1.gz) 43 Kb
  • LPC: Ligand-Protein Contacts for 1GUA
  • CSU: Contacts of Structural Units for 1GUA
  • Likely Quarternary Molecular Structure file(s) for 1GUA
  • Retrieve 1GUA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1GUA from S2C, [Save to disk]
  • View 1GUA 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 1GUA
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1GUA, from MSDmotif at EBI
  • Genome occurence of 1GUA's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1guaa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1guab_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1gua from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1gua_B] [1gua_A] [1gua]
  • SWISS-PROT database: [P04049] [P62834]
  • Domain organization of [RAF1_HUMAN] [RAP1A_HUMAN] by SWISSPFAM
  • Domains found in 1GUA: [RAS] [RBD ] by SMART
  • Other resources with information on 1GUA
  • Community annotation for 1GUA at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1GUA from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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