1KTQ Nucleotidyltransferase date Aug 16, 1995
title Dna Polymerase
authors S.Korolev, G.Waksman
compound source
Molecule: Dna Polymerase I
Chain: A
Synonym: Klentaq
Ec: 2.7.7.7
Engineered: Yes
Organism_scientific: Thermus Aquaticus
Organism_taxid: 271
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 21 21 2
R_factor 0.198 R_Free 0.262
crystal
cell
length a length b length c angle alpha angle beta angle gamma
109.400 136.800 45.600 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.50 Å
ligand
enzyme Transferase E.C.2.7.7.7 BRENDA
related structures by homologous chain: 1TAQ, 5KTQ
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCrystal structure of the large fragment of Thermus aquaticus DNA polymerase I at 2.5-A resolution: structural basis for thermostability., Korolev S, Nayal M, Barnes WM, Di Cera E, Waksman G, Proc Natl Acad Sci U S A 1995 Sep 26;92(20):9264-8. PMID:7568114
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (127 Kb) [Save to disk]
  • Biological Unit Coordinates (1ktq.pdb1.gz) 122 Kb
  • CSU: Contacts of Structural Units for 1KTQ
  • Likely Quarternary Molecular Structure file(s) for 1KTQ
  • Retrieve 1KTQ in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1KTQ from S2C, [Save to disk]
  • View 1KTQ 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 1KTQ
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1KTQ, from MSDmotif at EBI
  • Genome occurence of 1KTQ's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ktq_1, region 290-422 [Jmol] [rasmolscript] [script source]
        - Domain d1ktq_2, region 423-832 [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: [1ktq] [1ktq_A]
  • SWISS-PROT database: [P19821]
  • Domain organization of [DPO1_THEAQ] by SWISSPFAM
  • Domain found in 1KTQ: [POLAc ] by SMART
  • Other resources with information on 1KTQ
  • Community annotation for 1KTQ 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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