1MZ8 Toxin,Hydrolase Protein Binding date Oct 07, 2002
title Crystal Structures Of The Nuclease Domain Of Cole7im7 In Co A Phosphate Ion And A Zinc Ion
authors M.J.Sui, L.C.Tsai, K.C.Hsia, L.G.Doudeva, W.Y.Ku, G.W.Han, H.S.Yua
compound source
Molecule: Colicin E7 Immunity Protein
Chain: A, C
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Cei7
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: M15
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pqe70

Molecule: Colicin E7
Chain: B, D
Fragment: Nuclease Domain
Ec: 3.1.-.-
Engineered: Yes

Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Cea7
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: M15
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pqe30
symmetry Space Group: P 21 21 2
R_factor 0.183 R_Free 0.230
crystal
cell
length a length b length c angle alpha angle beta angle gamma
119.735 62.410 74.137 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand PO4, ZN enzyme Hydrolase E.C.3.1 BRENDA
related structures by homologous chain: 1AYI, 1FSJ, 1UJZ, 1V13
Gene
Ontology
ChainFunctionProcessComponent
A, C


D, B


Primary referenceMetal ions and phosphate binding in the H-N-H motif: crystal structures of the nuclease domain of ColE7/Im7 in complex with a phosphate ion and different divalent metal ions., Sui MJ, Tsai LC, Hsia KC, Doudeva LG, Ku WY, Han GW, Yuan HS, Protein Sci 2002 Dec;11(12):2947-57. PMID:12441392
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (87 Kb) [Save to disk]
  • Biological Unit Coordinates (1mz8.pdb1.gz) 42 Kb
  • Biological Unit Coordinates (1mz8.pdb2.gz) 42 Kb
  • LPC: Ligand-Protein Contacts for 1MZ8
  • CSU: Contacts of Structural Units for 1MZ8
  • Likely Quarternary Molecular Structure file(s) for 1MZ8
  • Retrieve 1MZ8 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1MZ8 from S2C, [Save to disk]
  • View 1MZ8 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 1MZ8
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1MZ8, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1mz8a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1mz8b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1mz8c_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1mz8d_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1mz8 from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1mz8_C] [1mz8_D] [1mz8_B] [1mz8] [1mz8_A]
  • SWISS-PROT database: [Q47112] [Q03708]
  • Belongs to the colicin immunity protein (colip) functional family according to TCDB.
  • Domain organization of [CEA7_ECOLX] [IMM7_ECOLX] by SWISSPFAM
  • Domain found in 1MZ8: [HNHc ] by SMART
  • Other resources with information on 1MZ8
  • Community annotation for 1MZ8 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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