4AAB Hydrolase Dna date Dec 01, 2011
title Crystal Structure Of The Mutant D75n I-Crei In Complex With Its Wild-Type Target (The Four Central Bases, 2nn Region, Are Composed By Gtac From 5' To 3')
authors R.Molina, P.Redondo, S.Stella, M.Marenchino, M.D'Abramo, F.L.Gerv J.C.Epinat, J.Valton, S.Grizot, P.Duchateau, J.Prieto, G.Montoya
compound source
Molecule: Dna Endonuclease I-Crei
Chain: A, B
Synonym: 23s Rrna Intron Protein, I-Crei
Ec: 3.1.-.-
Engineered: Yes
Mutation: Yes
Organism_scientific: Chlamydomonas Reinhardtii
Organism_taxid: 3055
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_vector: Cdfduet1, Pet24d

Molecule: 14mer Dna 5'-D(Tpcpapapapapcpgptpcpgptpapcp)-3';
Chain: D, F

Synthetic: Yes
Organism_scientific: Synthetic Construct
Organism_taxid: 32630

Molecule: 10mer Dna 5'-D(Gpapcpgptptptptpgpap)-3'
Chain: E, G

Synthetic: Yes
Organism_scientific: Synthetic Construct
Organism_taxid: 32630
symmetry Space Group: P 21 21 2
R_factor 0.1700 R_Free 0.2251
length a length b length c angle alpha angle beta angle gamma
171.970 71.100 46.920 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.50 Å
ligand MG, NA, PGO enzyme Hydrolase E.C.3.1 BRENDA
A, B
  • nuclease activity
  • endonuclease activity

  • Primary referenceNon-specific protein-DNA interactions control I-CreI target binding and cleavage., Molina R, Redondo P, Stella S, Marenchino M, D'Abramo M, Gervasio FL, Charles Epinat J, Valton J, Grizot S, Duchateau P, Prieto J, Montoya G, Nucleic Acids Res. 2012 Apr 11. PMID:22495931
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (158 Kb) [Save to disk]
  • Biological Unit Coordinates (4aab.pdb1.gz) 152 Kb
  • LPC: Ligand-Protein Contacts for 4AAB
  • CSU: Contacts of Structural Units for 4AAB
  • Structure Factors (153 Kb)
  • Retrieve 4AAB in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4AAB from S2C, [Save to disk]
  • Re-refined 4aab structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
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  • Visual 3D analysis of 4AAB
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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 4AAB, from MSDmotif at EBI
  • Fold representative 4aab from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4aab_E] [4aab_A] [4aab_D] [4aab_B] [4aab_G] [4aab_F] [4aab]
  • SWISS-PROT database:
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