3BU4 Hydrolase date Sep 14, 1998
title Ribonuclease T1 Complex With 2'Gmp
authors R.Loris, S.Devos, U.Langhorst, K.Decanniere, J.Bouckaert, D.Maes, T.R.Transue, J.Steyaert
compound source
Molecule: Protein (Ribonuclease T1)
Chain: A
Engineered: Yes
Organism_scientific: Aspergillus Oryzae
Organism_taxid: 5062
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Pmc5-Rt1
Expression_system_gene: Synthetic Gene
symmetry Space Group: P 21 21 21
R_factor 0.199 R_Free 0.249
length a length b length c angle alpha angle beta angle gamma
40.480 48.100 50.770 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.77 Å
ligand 2GP, CA enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 3RNT, 5BU4
  • nuclease activity
  • endonuclease activity
  • endoribonuclease activity
  • ribonuclease activity

  • Primary referenceConserved water molecules in a large family of microbial ribonucleases., Loris R, Langhorst U, De Vos S, Decanniere K, Bouckaert J, Maes D, Transue TR, Steyaert J, Proteins 1999 Jul 1;36(1):117-34. PMID:10373011
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (22 Kb) [Save to disk]
  • Biological Unit Coordinates (3bu4.pdb1.gz) 18 Kb
  • LPC: Ligand-Protein Contacts for 3BU4
  • CSU: Contacts of Structural Units for 3BU4
  • Likely Quarternary Molecular Structure file(s) for 3BU4
  • Structure Factors (85 Kb)
  • Retrieve 3BU4 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3BU4 from S2C, [Save to disk]
  • Re-refined 3bu4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3BU4 in 3D
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  • Visual 3D analysis of 3BU4
  • 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 3BU4, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d3bu4a_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 3bu4 from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [3bu4] [3bu4_A]
  • SWISS-PROT database: [P00651]
  • Domain organization of [RNT1_ASPOR] by SWISSPFAM
  • Other resources with information on 3BU4
  • Community annotation for 3BU4 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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  • Domain movements in 3BU4 from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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