1G9Z Hydrolase Dna date Nov 28, 2000
title Laglidadg Homing Endonuclease I-Crei Dna Product Complex W Magnesium
authors B.Chevalier, R.J.Monnat, B.L.Stoddard
compound source
Molecule: 5'-D(Gpcpapapapapcpgptpcpgptpgpa)-3
Chain: C
Engineered: Yes
Synthetic: Yes

Molecule: 5'-D(Pgpapcpapgptptptpcpg)-3'
Chain: D
Engineered: Yes

Synthetic: Yes

Molecule: 5'-D(Cpgpapapapcptpgptpcptpcpapc)-3
Chain: E
Engineered: Yes

Synthetic: Yes

Molecule: 5'-D(Pgpapcpgptptptptpgpc)-3'
Chain: F
Engineered: Yes

Synthetic: Yes

Molecule: Dna Endonuclease I-Crei
Chain: A, B
Synonym: I-Crei Homing Endonuclease
Ec: 3.1.-.-
Engineered: Yes

Organism_scientific: Chlamydomonas Reinhardtii
Organism_taxid: 3055
Gene: Encoded By An Orf Within Cr.Lsu Intron Of Chloroplast Gene;
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: 'Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pi-Crei
symmetry Space Group: P 1 21 1
R_factor 0.204 R_Free 0.249
crystal
cell
length a length b length c angle alpha angle beta angle gamma
43.000 67.900 88.300 90.00 91.60 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand MG enzyme Hydrolase E.C.3.1 BRENDA
related structures by homologous chain: 1N3F, 1T9I
Gene
Ontology
ChainFunctionProcessComponent
A, B
  • nuclease activity
  • endonuclease activity


  • Primary referenceThe homing endonuclease I-CreI uses three metals, one of which is shared between the two active sites., Chevalier BS, Monnat RJ Jr, Stoddard BL, Nat Struct Biol 2001 Apr;8(4):312-6. PMID:11276249
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (91 Kb) [Save to disk]
  • Biological Unit Coordinates (1g9z.pdb1.gz) 86 Kb
  • LPC: Ligand-Protein Contacts for 1G9Z
  • CSU: Contacts of Structural Units for 1G9Z
  • Likely Quarternary Molecular Structure file(s) for 1G9Z
  • Retrieve 1G9Z in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1G9Z from S2C, [Save to disk]
  • View 1G9Z 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 1G9Z
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1G9Z, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1g9za_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1g9zb_, region B [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: [1g9z] [1g9z_C] [1g9z_D] [1g9z_B] [1g9z_E] [1g9z_A] [1g9z_F]
  • SWISS-PROT database: [P05725]
  • Domain organization of [DNE1_CHLRE] by SWISSPFAM
  • Other resources with information on 1G9Z
  • Community annotation for 1G9Z 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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