3U44 Hydrolase Dna date Oct 07, 2011
title Crystal Structure Of Addab-Dna Complex
authors K.Saikrishnan, W.Krajewski, D.Wigley
compound source
Molecule: Atp-Dependent Helicasenuclease Subunit A
Chain: A
Synonym: Atp-Dependent Helicasenuclease Adda
Ec: 3.1.-.-, 3.6.4.12
Engineered: Yes
Mutation: Yes
Organism_scientific: Bacillus Subtilis
Organism_taxid: 1423
Gene: Adda, Bsu10630
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Atp-Dependent Helicasedeoxyribonuclease Subunit
Chain: B
Synonym: Atp-Dependent Helicasenuclease Addb
Ec: 3.1.-.-, 3.6.4.12
Engineered: Yes
Mutation: Yes

Organism_scientific: Bacillus Subtilis
Organism_taxid: 1423
Gene: Addb, Bsu10620
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Dna (36-Mer)
Chain: X
Engineered: Yes

Synthetic: Yes
symmetry Space Group: P 1 21 1
R_factor 0.233 R_Free 0.284
crystal
cell
length a length b length c angle alpha angle beta angle gamma
100.230 138.960 102.970 90.00 105.33 90.00
method X-Ray Diffractionresolution 3.20 Å
ligand SF4 enzyme Hydrolase E.C.3.1 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A
  • DNA helicase activity
  • nuclease activity
  • exonuclease activity
  • 3'-5' exonuclease activity
  • 3'-5' DNA helicase activity


  • B
  • DNA helicase activity
  • nuclease activity
  • exonuclease activity
  • 5'-3' exonuclease activity
  • 3'-5' DNA helicase activity


  • Primary referenceInsights into Chi recognition from the structure of an AddAB-type helicase-nuclease complex., Saikrishnan K, Yeeles JT, Gilhooly NS, Krajewski WW, Dillingham MS, Wigley DB, EMBO J. 2012 Feb 3. doi: 10.1038/emboj.2012.9. PMID:22307084
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (394 Kb) [Save to disk]
  • Biological Unit Coordinates (3u44.pdb1.gz) 388 Kb
  • LPC: Ligand-Protein Contacts for 3U44
  • CSU: Contacts of Structural Units for 3U44
  • Structure Factors (713 Kb)
  • Retrieve 3U44 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3U44 from S2C, [Save to disk]
  • Re-refined 3u44 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3U44 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 3U44
  • 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 3U44, from MSDmotif at EBI
  • Fold representative 3u44 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3u44_X] [3u44_B] [3u44] [3u44_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 3U44
  • Community annotation for 3U44 at PDBWiki (http://pdbwiki.org)
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