4L2A Oxidoreductase date Jun 04, 2013
title X-Ray Structure Of The C57r Mutant Of The Iron Superoxide Di From Pseudoalteromonas Haloplanktis (Crystal Form II)
authors A.Merlino, I.Russo Krauss, F.Sica
compound source
Molecule: Superoxide Dismutase [Fe]
Chain: A, B
Engineered: Yes
Mutation: Yes
Organism_scientific: Pseudoalteromonas Haloplanktis
Organism_taxid: 228
Gene: Sodb, Pshaa1215
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 1 21 1
R_factor 0.190 R_Free 0.240
length a length b length c angle alpha angle beta angle gamma
45.622 103.736 50.244 90.00 108.29 90.00
method X-Ray Diffractionresolution 2.06 Å
ligand FE enzyme Oxidoreductase E.C. BRENDA
A, B
  • superoxide dismutase activit...

  • Primary referenceStructural and denaturation studies of two mutants of a cold adapted superoxide dismutase point to the importance of electrostatic interactions in protein stability., Merlino A, Russo Krauss I, Castellano I, Ruocco MR, Capasso A, De Vendittis E, Rossi B, Sica F, Biochim Biophys Acta. 2014 Mar;1844(3):632-40. doi: 10.1016/j.bbapap.2014.01.007., Epub 2014 Jan 17. PMID:24440460
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (71 Kb) [Save to disk]
  • Biological Unit Coordinates (4l2a.pdb1.gz) 68 Kb
  • LPC: Ligand-Protein Contacts for 4L2A
  • CSU: Contacts of Structural Units for 4L2A
  • Structure Factors (389 Kb)
  • Retrieve 4L2A in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4L2A from S2C, [Save to disk]
  • Re-refined 4l2a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
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  • 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 4L2A, from MSDmotif at EBI
  • Fold representative 4l2a from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4l2a_A] [4l2a] [4l2a_B]
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