1P91 Transferase date May 08, 2003
title Crystal Structure Of Rlma(I) Enzyme: 23s Rrna N1-G745 Methyltransferase (Northeast Structural Genomics Consortium Er19)
authors K.Das, T.Acton, G.Montelione, E.Arnold, Northeast Structural Gen Consortium (Nesg)
compound source
Molecule: Ribosomal Rna Large Subunit Methyltransferase A
Chain: A, B
Synonym: Rrna (Guanine-N(1)-)-Methyltransferase, 23s Rrna N Methyltransferase;
Ec: 2.1.1.51
Engineered: Yes
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Rrma Or B1822
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: I 2 2 2
R_factor 0.248 R_Free 0.296
crystal
cell
length a length b length c angle alpha angle beta angle gamma
107.187 122.279 143.138 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.80 Å
ligand MSE, SAM, SO4, ZN enzyme Transferase E.C.2.1.1.51 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceCrystal structure of RlmAI: implications for understanding the 23S rRNA G745/G748-methylation at the macrolide antibiotic-binding site., Das K, Acton T, Chiang Y, Shih L, Arnold E, Montelione GT, Proc Natl Acad Sci U S A 2004 Mar 23;101(12):4041-6. Epub 2004 Mar 3. PMID:14999102
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (96 Kb) [Save to disk]
  • Biological Unit Coordinates (1p91.pdb1.gz) 89 Kb
  • LPC: Ligand-Protein Contacts for 1P91
  • CSU: Contacts of Structural Units for 1P91
  • Likely Quarternary Molecular Structure file(s) for 1P91
  • Structure Factors (199 Kb)
  • Retrieve 1P91 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1P91 from S2C, [Save to disk]
  • Re-refined 1p91 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1P91 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 1P91
  • 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 1P91, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1p91a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1p91b_, region B [Jmol] [rasmolscript] [script source]
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1p91_A] [1p91] [1p91_B]
  • SWISS-PROT database: [P36999]
  • Domain organization of [RLMA_ECOLI] by SWISSPFAM
    • Other resources with information on 1P91
  • Community annotation for 1P91 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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