1BSU Hydrolase Dna date Aug 30, 1998
title Structural And Energetic Origins Of Indirect Readout In Site Dna Cleavage By A Restriction Endonuclease
authors J.J.Perona, A.M.Martin
compound source
Molecule: Dna (5'-D(Papapgpap(5cm)Piptpcptpt)-3')
Chain: C
Engineered: Yes
Synthetic: Yes

Molecule: Dna (5'-D(Apapapgpap(5cm)Piptpcptpt)-3
Chain: D
Engineered: Yes

Synthetic: Yes

Molecule: Endonuclease Ecorv (
Chain: A, B
Engineered: Yes

Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: P 1
R_factor 0.183 R_Free 0.258
length a length b length c angle alpha angle beta angle gamma
50.300 64.000 49.100 109.10 108.10 96.50
method X-Ray Diffractionresolution 2.00 Å
ligand 5CM, CA enzyme Hydrolase E.C. BRENDA
related structures by homologous chain: 1BGB, 1RVA
A, B
  • nuclease activity
  • endonuclease activity

  • Primary referenceStructural and energetic origins of indirect readout in site-specific DNA cleavage by a restriction endonuclease., Martin AM, Sam MD, Reich NO, Perona JJ, Nat Struct Biol 1999 Mar;6(3):269-77. PMID:10074946
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (91 Kb) [Save to disk]
  • Biological Unit Coordinates (1bsu.pdb1.gz) 86 Kb
  • LPC: Ligand-Protein Contacts for 1BSU
  • CSU: Contacts of Structural Units for 1BSU
  • Likely Quarternary Molecular Structure file(s) for 1BSU
  • Retrieve 1BSU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1BSU from S2C, [Save to disk]
  • View 1BSU in 3D
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  • Visual 3D analysis of 1BSU
  • Cartoon representation from PDB Cartoon
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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 1BSU, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1bsua_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1bsub_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1bsu 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: [1bsu_A] [1bsu] [1bsu_D] [1bsu_B] [1bsu_C]
  • SWISS-PROT database: [P04390]
  • Domain organization of [T2E5_ECOLX] by SWISSPFAM
  • Other resources with information on 1BSU
  • Community annotation for 1BSU at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
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  • Images from IMB Jena Image Library of Biological Macromolecules.

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