1TL8 Isomerase Dna date Jun 09, 2004
title Human Dna Topoisomerase I (70 Kda) In Complex With The Indenoisoquinoline Ai-III-52 And Covalent Complex With A 22 Base Pair Dna Duplex
authors A.Ioanoviciu, S.Antony, Y.Pommier, B.L.Staker, L.Stewart, M.Cushman
compound source
Molecule: 5'-D(Apapapapapgpapcptpt)-3'
Chain: B
Engineered: Yes
Synthetic: Yes

Molecule: 5'-D((Tpc)Pgpapapapapaptptptptpt)-3'
Chain: C
Engineered: Yes

Synthetic: Yes

Molecule: 5'- D(Apapapapaptptptptptpcpgpapapgptpcptptp Tptpt)-3';
Chain: D
Engineered: Yes

Synthetic: Yes

Molecule: Dna Topoisomerase I
Chain: A
Ec: 5.99.1.2
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Top1
Expression_system: Spodoptera Frugiperda
Expression_system_common: Fall Armyworm
Expression_system_taxid: 7108
Expression_system_vector_type: Baculovirus
symmetry Space Group: P 1 21 1
R_factor 0.229 R_Free 0.305
crystal
cell
length a length b length c angle alpha angle beta angle gamma
56.949 114.141 73.499 90.00 94.18 90.00
method X-Ray Diffractionresolution 3.10 Å
ligand AI3, PTR, TPC enzyme Isomerase E.C.5.99.1.2 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceSynthesis and Mechanism of Action Studies of a Series of Norindenoisoquinoline Topoisomerase I Poisons Reveal an Inhibitor with a Flipped Orientation in the Ternary DNA-Enzyme-Inhibitor Complex As Determined by X-ray Crystallographic Analysis., Ioanoviciu A, Antony S, Pommier Y, Staker BL, Stewart L, Cushman M, J Med Chem 2005 Jul 28;48(15):4803-4814. PMID:16033260
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (120 Kb) [Save to disk]
  • Biological Unit Coordinates (1tl8.pdb1.gz) 115 Kb
  • LPC: Ligand-Protein Contacts for 1TL8
  • CSU: Contacts of Structural Units for 1TL8
  • Likely Quarternary Molecular Structure file(s) for 1TL8
  • Retrieve 1TL8 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1TL8 from S2C, [Save to disk]
  • View 1TL8 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 1TL8
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1TL8, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1tl8_B] [1tl8_D] [1tl8_A] [1tl8] [1tl8_C]
  • SWISS-PROT database: [P11387]
  • Domain organization of [TOP1_HUMAN] by SWISSPFAM
  • Domain found in 1TL8: [TOPEUc ] by SMART
  • Other resources with information on 1TL8
  • Community annotation for 1TL8 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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