1LOV Hydrolase date May 07, 2002
title X-Ray Structure Of The E58a Mutant Of Ribonuclease T1 Comple 3'-Guanosine Monophosphate
authors P.Mignon, J.Steyaert, R.Loris, P.Geerlings, S.Loverix
compound source
Molecule: Guanyl-Specific Ribonuclease T1
Chain: A
Synonym: Rnase T1
Ec: 3.1.27.3
Engineered: Yes
Mutation: Yes
Organism_scientific: Aspergillus Oryzae
Organism_taxid: 5062
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Wk6
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pmc
symmetry Space Group: P 21 21 21
R_factor 0.187 R_Free 0.199
crystal
cell
length a length b length c angle alpha angle beta angle gamma
40.631 48.126 53.172 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.55 Å
ligand 3GP, CA enzyme Hydrolase E.C.3.1.27.3 BRENDA
related structures by homologous chain: 1LOY, 9RNT
Gene
Ontology
ChainFunctionProcessComponent
A
  • nuclease activity
  • endonuclease activity
  • endoribonuclease activity
  • ribonuclease activity


  • Primary referenceA nucleophile activation dyad in ribonucleases. A combined X-ray crystallographic/ab initio quantum chemical study., Mignon P, Steyaert J, Loris R, Geerlings P, Loverix S, J Biol Chem 2002 Sep 27;277(39):36770-4. PMID:12122018
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (22 Kb) [Save to disk]
  • Biological Unit Coordinates (1lov.pdb1.gz) 18 Kb
  • LPC: Ligand-Protein Contacts for 1LOV
  • CSU: Contacts of Structural Units for 1LOV
  • Likely Quarternary Molecular Structure file(s) for 1LOV
  • Structure Factors (258 Kb)
  • Retrieve 1LOV in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1LOV from S2C, [Save to disk]
  • Re-refined 1lov structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1LOV 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 1LOV
  • 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 1LOV, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1lova_, region A [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: [1lov] [1lov_A]
  • SWISS-PROT database: [P00651]
  • Domain organization of [RNT1_ASPOR] by SWISSPFAM
  • Other resources with information on 1LOV
  • Community annotation for 1LOV 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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