1UNK Immunity Protein date Jun 21, 1996
title Structure Of Colicin E7 Immunity Protein
authors T.P.Ko, S.Y.Hsieh, W.Y.Ku, M.Y.Tseng, K.F.Chak, H.S.Yuan
compound source
Molecule: Colicin E7
Chain: A, B, C, D
Synonym: Immunity E7 Protein, Imme7
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
symmetry Space Group: P 1 21 1
R_factor 0.180 R_Free 0.251
crystal
cell
length a length b length c angle alpha angle beta angle gamma
28.900 101.700 52.600 90.00 92.60 90.00
method X-Ray Diffractionresolution 1.80 Å
related structures by homologous chain: 1CEI
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B


Primary referenceA novel role of ImmE7 in the autoregulatory expression of the ColE7 operon and identification of possible RNase active sites in the crystal structure of dimeric ImmE7., Hsieh SY, Ko TP, Tseng MY, Ku W, Chak KF, Yuan HS, EMBO J 1997 Mar 17;16(6):1444-54. PMID:9135159
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (75 Kb) [Save to disk]
  • Biological Unit Coordinates (1unk.pdb1.gz) 72 Kb
  • CSU: Contacts of Structural Units for 1UNK
  • Likely Quarternary Molecular Structure file(s) for 1UNK
  • Retrieve 1UNK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1UNK from S2C, [Save to disk]
    • View 1UNK 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 1UNK
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1UNK, from MSDmotif at EBI
  • Genome occurence of 1UNK's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1unka_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1unkb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1unkc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1unkd_, region D [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: [1unk] [1unk_D] [1unk_C] [1unk_A] [1unk_B]
  • SWISS-PROT database: [Q03708]
  • Belongs to the colicin immunity protein (colip) functional family according to TCDB.
  • Domain organization of [IMM7_ECOLX] by SWISSPFAM
    • Other resources with information on 1UNK
  • Community annotation for 1UNK at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Domain movements in 1UNK from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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