2NUL Isomerase date Nov 14, 1996
title Peptidylprolyl Isomerase From E. Coli
authors K.J.Edwards, D.L.Ollis
compound source
Molecule: Peptidylprolyl Isomerase
Chain: A
Synonym: Peptidylprolyl Cis-Trans Isomerase, Cyclophilin
Ec: 5.2.1.8
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
symmetry Space Group: C 2 2 21
R_factor 0.160 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
44.700 68.200 102.000 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.10 Å
ligand
enzyme Isomerase E.C.5.2.1.8 BRENDA
related structures by homologous chain: 1LOP
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCrystal structure of cytoplasmic Escherichia coli peptidyl-prolyl isomerase: evidence for decreased mobility of loops upon complexation., Edwards KJ, Ollis DL, Dixon NE, J Mol Biol. 1997 Aug 15;271(2):258-65. PMID:9268657
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk]
  • Biological Unit Coordinates (2nul.pdb1.gz) 65 Kb
  • CSU: Contacts of Structural Units for 2NUL
  • Likely Quarternary Molecular Structure file(s) for 2NUL
  • Structure Factors (72 Kb)
  • Retrieve 2NUL in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2NUL from S2C, [Save to disk]
  • Re-refined 2nul structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 2NUL 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 2NUL
  • 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
  • 3D motif for 2NUL, from MSDmotif at EBI
  • Genome occurence of 2NUL's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2nul__, region [Jmol] [rasmolscript] [script source]
  • 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: [2nul_A] [2nul]
  • SWISS-PROT database: [P23869]
  • Domain organization of [PPIB_ECOLI] by SWISSPFAM
    • Other resources with information on 2NUL
  • Community annotation for 2NUL 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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