1R49 Isomerase Dna date Oct 03, 2003
title Human Topoisomerase I (Topo70) Double Mutant K532ry723f
authors H.Interthal, P.M.Quigley, W.G.Hol, J.J.Champoux
compound source
Molecule: 5'- D(Apapapapapgpapcptptpapgpapapapapaptptp Tptpt)-3';
Chain: B
Engineered: Yes
Synthetic: Yes

Molecule: 5'- D(Papapapapaptptptptptpcptpapapgptpcptpt Ptptpt)-3';
Chain: C
Engineered: Yes

Synthetic: Yes

Molecule: Dna Topoisomerase I
Chain: A
Fragment: Topo70
Ec: 5.99.1.2
Engineered: Yes
Mutation: 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 0.277 R_Free 0.339
crystal
cell
length a length b length c angle alpha angle beta angle gamma
56.944 118.638 71.651 90.00 98.33 90.00
method X-Ray Diffractionresolution 3.13 Å
ligand
enzyme Isomerase E.C.5.99.1.2 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceThe role of lysine 532 in the catalytic mechanism of human topoisomerase I., Interthal H, Quigley PM, Hol WG, Champoux JJ, J Biol Chem 2004 Jan 23;279(4):2984-92. Epub 2003 Oct 31. PMID:14594810
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (118 Kb) [Save to disk]
  • Biological Unit Coordinates (1r49.pdb1.gz) 111 Kb
  • CSU: Contacts of Structural Units for 1R49
  • Likely Quarternary Molecular Structure file(s) for 1R49
  • Structure Factors (96 Kb)
  • Retrieve 1R49 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1R49 from S2C, [Save to disk]
  • Re-refined 1r49 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1R49 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 1R49
  • 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 1R49, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1r49a3, region A:202-430 [Jmol] [rasmolscript] [script source]
        - Domain d1r49a2, region A:431-633,A:719-765 [Jmol] [rasmolscript] [script source]
        - Domain d1r49a1, region A:644-713 [Jmol] [rasmolscript] [script source]
  • Fold representative 1r49 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1r49_B] [1r49] [1r49_A] [1r49_C]
  • SWISS-PROT database: [P11387]
  • Domain organization of [TOP1_HUMAN] by SWISSPFAM
  • Domain found in 1R49: [TOPEUc ] by SMART
  • Other resources with information on 1R49
  • Community annotation for 1R49 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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