1KL9 Translation date Dec 11, 2001
title Crystal Structure Of The N-Terminal Segment Of Human Eukaryo Initiation Factor 2alpha
authors M.C.Nonato, J.Widom, J.Clardy
compound source
Molecule: Eukaryotic Translation Initiation Factor 2 Subuni
Chain: A
Fragment: Residues 1-182
Synonym: Eukaryotic Translation Initiation Factor 2 Alpha S Eif-2-Alpha; Eif-2alpha; Eif-2a;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 2 2 21
R_factor 0.198 R_Free 0.233
crystal
cell
length a length b length c angle alpha angle beta angle gamma
37.280 44.200 121.420 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand MSE, ZN enzyme
note 1KL9 is a representative structure
related structures by homologous chain: 1Q8K
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCrystal structure of the N-terminal segment of human eukaryotic translation initiation factor 2alpha., Nonato MC, Widom J, Clardy J, J Biol Chem 2002 May 10;277(19):17057-61. PMID:11859078
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (34 Kb) [Save to disk]
  • Biological Unit Coordinates (1kl9.pdb1.gz) 29 Kb
  • Biological Unit Coordinates (1kl9.pdb2.gz) 57 Kb
  • Biological Unit Coordinates (1kl9.pdb3.gz) 57 Kb
  • LPC: Ligand-Protein Contacts for 1KL9
  • CSU: Contacts of Structural Units for 1KL9
  • Likely Quarternary Molecular Structure file(s) for 1KL9
  • Structure Factors (213 Kb)
  • Retrieve 1KL9 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KL9 from S2C, [Save to disk]
  • Re-refined 1kl9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1KL9 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 1KL9
  • 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 1KL9, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1kl9a2, region A:3-88 [Jmol] [rasmolscript] [script source]
        - Domain d1kl9a1, region A:89-182 [Jmol] [rasmolscript] [script source]
  • Fold representative 1kl9 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: [1kl9] [1kl9_A]
  • SWISS-PROT database: [P05198]
  • Domain organization of [IF2A_HUMAN] by SWISSPFAM
  • Domain found in 1KL9: [S1 ] by SMART
  • Other resources with information on 1KL9
  • Community annotation for 1KL9 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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