1RI4 Transferase date Nov 16, 2003
title Structure And Mechanism Of Mrna Cap (Guanine N-7) Methyltran
authors C.Fabrega, S.Hausmann, V.Shen, S.Shuman, C.D.Lima
compound source
Molecule: Mrna Capping Enzyme
Chain: A
Synonym: Mrna Cap (Guanine N-7) Methyltransferase Ecm1
Engineered: Yes
 Organism_scientific: Encephalitozoon Cuniculi
Organism_taxid: 6035
Gene: Ecu10_0380
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 De3
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Psumo-Smt3
symmetry Space Group: P 31 2 1
R_factor 0.215 R_Free 0.271
crystal
cell
length a length b length c angle alpha angle beta angle gamma
63.803 63.803 112.683 90.00 90.00 120.00
method X-Ray Diffractionresolution 2.40 Å
ligand SAM enzyme
related structures by homologous chain: 1RI3, 1Z3C
Gene ECU10
Gene
Ontology
ChainFunctionProcessComponent
A
  • mRNA (guanine-N7-)-methyltra...


    • Primary referenceStructure and mechanism of mRNA cap (guanine-N7) methyltransferase., Fabrega C, Hausmann S, Shen V, Shuman S, Lima CD, Mol Cell 2004 Jan 16;13(1):77-89. PMID:14731396
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (48 Kb) [Save to disk]
  • Biological Unit Coordinates (1ri4.pdb1.gz) 44 Kb
  • LPC: Ligand-Protein Contacts for 1RI4
  • CSU: Contacts of Structural Units for 1RI4
  • Likely Quarternary Molecular Structure file(s) for 1RI4
  • Structure Factors (76 Kb)
  • Retrieve 1RI4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1RI4 from S2C, [Save to disk]
  • Re-refined 1ri4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1RI4 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 1RI4
  • 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 1RI4, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ri4a_, region A [Jmol] [rasmolscript] [script source]
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1ri4] [1ri4_A]
  • SWISS-PROT database: [Q8SR66]
  • Domain organization of [MCES_ENCCU] by SWISSPFAM
    • Other resources with information on 1RI4
  • Community annotation for 1RI4 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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