authors Aparicio, R., Ferreira, S.T., Polikarpov, I.
compound source
R_Free 0.21194
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.85
related structures by homologous chain: 1HTI, 1SQ7
A, D, C, B

Primary referenceClosed conformation of the active site loop of rabbit muscle triosephosphate isomerase in the absence of substrate: evidence of conformational heterogeneity., Aparicio R, Ferreira ST, Polikarpov I, J Mol Biol 2003 Dec 12;334(5):1023-41. PMID:14643664
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (158 Kb) [Save to disk]
  • Biological Unit Coordinates (1r2s.pdb1.gz) 77 Kb
  • Biological Unit Coordinates (1r2s.pdb2.gz) 78 Kb
  • CSU: Contacts of Structural Units for 1R2S
  • Likely Quarternary Molecular Structure file(s) for 1R2S
  • Structure Factors (282 Kb)
  • Retrieve 1R2S in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1R2S from S2C, [Save to disk]
  • Re-refined 1r2s structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1R2S 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 1R2S
  • 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 1R2S, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1r2sa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1r2sb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1r2sc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1r2sd_, region D [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: [1r2s_A] [1r2s_C] [1r2s] [1r2s_B] [1r2s_D]
  • SWISS-PROT database: [P00939]
  • Domain organization of [TPIS_RABIT] by SWISSPFAM
  • Other resources with information on 1R2S
  • Community annotation for 1R2S 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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