1TAQ Nucleotidyltransferase date Jun 04, 1996
title Structure Of Taq Dna Polymerase
authors Y.Kim, S.H.Eom, J.Wang, D.S.Lee, S.W.Suh, T.A.Steitz
compound source
Molecule: Taq Dna Polymerase
Chain: A
Synonym: Taq
Ec: 2.7.7.7
Engineered: Yes
Mutation: Yes
Organism_scientific: Thermus Aquaticus
Organism_taxid: 271
Gene: Taq
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 31 2 1
R_factor 0.202 R_Free 0.323
crystal
cell
length a length b length c angle alpha angle beta angle gamma
107.421 107.421 170.245 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.40 Å
ligand BGL, ZN enzyme Transferase E.C.2.7.7.7 BRENDA
related structures by homologous chain: 1KTQ, 1QSY
Gene
Ontology
ChainFunctionProcessComponent
A
  • DNA-directed DNA polymerase ...


  • Primary referenceCrystal structure of Thermus aquaticus DNA polymerase., Kim Y, Eom SH, Wang J, Lee DS, Suh SW, Steitz TA, Nature 1995 Aug 17;376(6541):612-6. PMID:7637814
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (142 Kb) [Save to disk]
  • Biological Unit Coordinates (1taq.pdb1.gz) 138 Kb
  • LPC: Ligand-Protein Contacts for 1TAQ
  • CSU: Contacts of Structural Units for 1TAQ
  • Likely Quarternary Molecular Structure file(s) for 1TAQ
  • Structure Factors (318 Kb)
  • Retrieve 1TAQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1TAQ from S2C, [Save to disk]
  • Re-refined 1taq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1TAQ 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 1TAQ
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1TAQ, from MSDmotif at EBI
  • Genome occurence of 1TAQ's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1taq_2, region 10-173 [Jmol] [rasmolscript] [script source]
        - Domain d1taq_1, region 174-289 [Jmol] [rasmolscript] [script source]
        - Domain d1taq_3, region 290-422 [Jmol] [rasmolscript] [script source]
        - Domain d1taq_4, region 423-832 [Jmol] [rasmolscript] [script source]
  • Fold representative 1taq 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: [1taq] [1taq_A]
  • SWISS-PROT database: [P19821]
  • Domain organization of [DPO1_THEAQ] by SWISSPFAM
  • Domains found in 1TAQ: [53EXOc] [HhH1] [HhH2] [POLAc ] by SMART
  • Other resources with information on 1TAQ
  • Community annotation for 1TAQ 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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