2P2N Transferase date Mar 07, 2007
title Crystal Structure And Allosteric Regulation Of The Cytoplasmic Escherichia Coli L-Asparaginase I
authors M.K.Yun, A.Nourse, S.W.White, C.O.Rock, R.J.Heath
compound source
Molecule: L-Asparaginase I
Chain: A, B, C, D
Synonym: L-Asparaginase 1; L-Asparagine Amidohydrolase I L-Asnase I;
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Ansa
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-15b
symmetry Space Group: P 1 21 1
R_factor 0.223 R_Free 0.264
length a length b length c angle alpha angle beta angle gamma
90.315 89.757 93.083 90.00 117.03 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand ASN, ASP, CL, EDO enzyme Hydrolase E.C. BRENDA
A, D, C, B

Primary referenceCrystal Structure and Allosteric Regulation of the Cytoplasmic Escherichia colil-Asparaginase I., Yun MK, Nourse A, White SW, Rock CO, Heath RJ, J Mol Biol. 2007 Jun 8;369(3):794-811. Epub 2007 Mar 30. PMID:17451745
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (214 Kb) [Save to disk]
  • Biological Unit Coordinates (2p2n.pdb1.gz) 207 Kb
  • LPC: Ligand-Protein Contacts for 2P2N
  • CSU: Contacts of Structural Units for 2P2N
  • Likely Quarternary Molecular Structure file(s) for 2P2N
  • Structure Factors (774 Kb)
  • Retrieve 2P2N in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2P2N from S2C, [Save to disk]
  • Re-refined 2p2n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2P2N 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 2P2N
  • 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 2P2N, from MSDmotif at EBI
  • Fold representative 2p2n from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2p2n_A] [2p2n_B] [2p2n_C] [2p2n] [2p2n_D]
  • SWISS-PROT database: [P0A962]
  • Domain organization of [ASPG1_ECOLI] by SWISSPFAM
  • Domain found in 2P2N: [Asparaginase ] by SMART
  • Other resources with information on 2P2N
  • Community annotation for 2P2N at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

  • You may enter another PDB ID code
    Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]
    OCA© by Jaime Prilusky, 1996-2014
    Bioinformatics Unit
    Weizmann Institute of Science