4A4P Signaling Protein date Oct 19, 2011
title Crystal Structure Of The Sec7 Domain From Human Cytohesin1
authors J.C.Zeeh, A.W.Thompson, J.Cherfils, V.Biou
compound source
Molecule: Cytohesin1
Chain: A, B
Fragment: Sec7 Domain, Residues 63-248
Synonym: Ph\,Sec7 And Coiled-Coil Domain-Containing Protein Homolog B2-1;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_variant: Plyss
Expression_system_vector_type: Plasmid
Expression_system_vector: Pet28
symmetry Space Group: P 1 21 1
R_factor 0.1737 R_Free 0.2222
length a length b length c angle alpha angle beta angle gamma
47.090 80.280 51.900 90.00 90.17 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand GOL enzyme
A, B

Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (73 Kb) [Save to disk]
  • Biological Unit Coordinates (4a4p.pdb1.gz) 36 Kb
  • Biological Unit Coordinates (4a4p.pdb2.gz) 35 Kb
  • LPC: Ligand-Protein Contacts for 4A4P
  • CSU: Contacts of Structural Units for 4A4P
  • Structure Factors (178 Kb)
  • Retrieve 4A4P in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4A4P from S2C, [Save to disk]
  • Re-refined 4a4p structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4A4P 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 4A4P
  • 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 4A4P, from MSDmotif at EBI
  • Fold representative 4a4p from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4a4p_A] [4a4p] [4a4p_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 4A4P: [Sec7 ] by SMART
  • Other resources with information on 4A4P
  • Community annotation for 4A4P at PDBWiki (http://pdbwiki.org)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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