1HK8 Oxidoreductase date Mar 06, 2003
title Structural Basis For Allosteric Substrate Specificity Regula Class III Ribonucleotide Reductases: Nrdd In Complex With D
authors K.M.Larsson, J.Andersson, B.M.Sjoeberg, P.Nordlund, D.T.Logan
compound source
Molecule: Anaerobic Ribonucleotide-Triphosphate Reductase
Chain: A
Fragment: Active Site Subunit, Residues 1-605
Engineered: Yes
Mutation: Yes
Other_details: Sequence Determination\: P.Young, M.Ohman, M
Organism_scientific: Bacteriophage T4
Organism_taxid: 10665
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Jm109(De3)
Expression_system_plasmid: Pet29t4nrdd(G580a)
symmetry Space Group: P 43 21 2
R_factor 0.204 R_Free 0.246
length a length b length c angle alpha angle beta angle gamma
98.163 98.163 246.131 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.45 Å
ligand DGT, MN, ZN enzyme Oxidoreductase E.C. BRENDA
note 1HK8 supersedes 1H77
related structures by homologous chain: 1H7B

Primary referenceA metal-binding site in the catalytic subunit of anaerobic ribonucleotide reductase., Logan DT, Mulliez E, Larsson KM, Bodevin S, Atta M, Garnaud PE, Sjoberg BM, Fontecave M, Proc Natl Acad Sci U S A. 2003 Apr 1;100(7):3826-31. Epub 2003 Mar 24. PMID:12655046
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (100 Kb) [Save to disk]
  • Biological Unit Coordinates (1hk8.pdb1.gz) 185 Kb
  • LPC: Ligand-Protein Contacts for 1HK8
  • CSU: Contacts of Structural Units for 1HK8
  • Likely Quarternary Molecular Structure file(s) for 1HK8
  • Structure Factors (334 Kb)
  • Retrieve 1HK8 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1HK8 from S2C, [Save to disk]
  • Re-refined 1hk8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1HK8 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 1HK8
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1HK8, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1hk8a_, region A [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: [1hk8_A] [1hk8]
  • SWISS-PROT database: [P07071]
  • Domain organization of [NRDD_BPT4] by SWISSPFAM
  • Other resources with information on 1HK8
  • Community annotation for 1HK8 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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