2A1A Protein Synthesis Transferase date Jun 19, 2005
title Pkr Kinase Domain-Eif2alpha Complex
authors A.C.Dar, T.E.Dever, F.Sicheri
compound source
Molecule: Eukaryotic Translation Initiation Factor 2 Alpha
Chain: A
Synonym: Eif-2- Alpha
Engineered: Yes
Mutation: Yes
Organism_scientific: Saccharomyces Cerevisiae
Organism_common: Baker'S Yeast
Organism_taxid: 4932
Gene: Sui2, Tif211
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 De3 Plyss
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Modified Pgex-2t

Molecule: Interferon-Induced, Double-Stranded Rna-Activated Kinase;
Chain: B
Synonym: Interferon-Inducible Rna-Dependent Protein Kinase, Kinase, P1eif-2a Protein Kinase;
Ec: 2.7.1.-
Engineered: Yes
Mutation: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Prkr, Eif2ak2, Pkr
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 De3 Plyss
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Modified Pet14b
symmetry Space Group: P 32 2 1
R_factor 0.207 R_Free 0.268
crystal
cell
length a length b length c angle alpha angle beta angle gamma
84.300 84.300 165.400 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.80 Å
ligand TPO enzyme Transferase E.C.2.7.1 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A


B


Primary referenceHigher-Order Substrate Recognition of eIF2alpha by the RNA-Dependent Protein Kinase PKR., Dar AC, Dever TE, Sicheri F, Cell 2005 Sep 23;122(6):887-900. PMID:16179258
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk]
  • Biological Unit Coordinates (2a1a.pdb1.gz) 140 Kb
  • LPC: Ligand-Protein Contacts for 2A1A
  • CSU: Contacts of Structural Units for 2A1A
  • Likely Quarternary Molecular Structure file(s) for 2A1A
  • Structure Factors (124 Kb)
  • Retrieve 2A1A in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2A1A from S2C, [Save to disk]
  • Re-refined 2a1a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2A1A 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 2A1A
  • 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 2A1A, from MSDmotif at EBI
  • Fold representative 2a1a from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2a1a] [2a1a_B] [2a1a_A]
  • SWISS-PROT database: [P19525] [P20459]
  • Domain organization of [E2AK2_HUMAN] [IF2A_YEAST] by SWISSPFAM
  • Domains found in 2A1A: [S1] [STYKc ] by SMART
  • Other resources with information on 2A1A
  • Community annotation for 2A1A 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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