2G3Y Signaling Protein date Feb 21, 2006
title Crystal Structure Of The Human Small Gtpase Gem
authors E.Ugochukwu, M.Soundararajan, J.Elkins, C.Gileadi, G.Schoch, F.So O.Fedorov, J.Bray, N.Pantic, G.Berridge, N.Burgess, W.H.Lee, A.Tu M.Sundstrom, C.Arrowsmith, J.Weigelt, A.Edwards, F.Von Delft, D. Structural Genomics Consortium (Sgc)
compound source
Molecule: Gtp-Binding Protein Gem
Chain: A
Fragment: Gem
Synonym: Gtp-Binding Mitogen-Induced T-Cell Protein, Ras-Li Kir;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Gem, Kir
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 (De3)-R3
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pnic28-Bsa4
symmetry Space Group: P 43 21 2
R_factor 0.218 R_Free 0.269
length a length b length c angle alpha angle beta angle gamma
51.242 51.242 173.873 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.40 Å
ligand GDP enzyme

Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (33 Kb) [Save to disk]
  • Biological Unit Coordinates (2g3y.pdb1.gz) 28 Kb
  • LPC: Ligand-Protein Contacts for 2G3Y
  • CSU: Contacts of Structural Units for 2G3Y
  • Likely Quarternary Molecular Structure file(s) for 2G3Y
  • Structure Factors (141 Kb)
  • Retrieve 2G3Y in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2G3Y from S2C, [Save to disk]
  • Re-refined 2g3y structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2G3Y 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 2G3Y
  • 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 2G3Y, from MSDmotif at EBI
  • Fold representative 2g3y from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2g3y_A] [2g3y]
  • SWISS-PROT database: [P55040]
  • Domain organization of [GEM_HUMAN] by SWISSPFAM
  • Domain found in 2G3Y: [small_GTPase ] by SMART
  • Other resources with information on 2G3Y
  • Community annotation for 2G3Y 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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