3RNT Hydrolase(Endoribonuclease) date May 31, 1989
title Crystal Structure Of Guanosine-Free Ribonuclease T1, Complex Vanadate(V), Suggests Conformational Change Upon Substrate
authors D.Kostrewa, H.W.Choe, U.Heinemann, W.Saenger
compound source
Molecule: Ribonuclease T1
Chain: A
Engineered: Yes
Organism_scientific: Aspergillus Oryzae
Organism_taxid: 5062
symmetry Space Group: P 21 21 21
length a length b length c angle alpha angle beta angle gamma
48.820 46.530 41.200 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.80 Å
ligand CA, VO4 enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 3BU4, 8RNT
  • nuclease activity
  • endonuclease activity
  • endoribonuclease activity
  • ribonuclease activity

  • Primary referenceCrystal structure of guanosine-free ribonuclease T1, complexed with vanadate (V), suggests conformational change upon substrate binding., Kostrewa D, Choe HW, Heinemann U, Saenger W, Biochemistry 1989 Sep 19;28(19):7592-600. PMID:2514790
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (24 Kb) [Save to disk]
  • Biological Unit Coordinates (3rnt.pdb1.gz) 21 Kb
  • LPC: Ligand-Protein Contacts for 3RNT
  • CSU: Contacts of Structural Units for 3RNT
  • Likely Quarternary Molecular Structure file(s) for 3RNT
  • Retrieve 3RNT in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3RNT from S2C, [Save to disk]
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  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 3RNT, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d3rnt__, region [Jmol] [rasmolscript] [script source]
  • Fold representative 3rnt 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: [3rnt_A] [3rnt]
  • SWISS-PROT database: [P00651]
  • Domain organization of [RNT1_ASPOR] by SWISSPFAM
  • Other resources with information on 3RNT
  • Community annotation for 3RNT at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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