2PUA Transcription Dna date Oct 04, 1997
title Crystal Structure Of The Laci Family Member, Purr, Bound To Groove Binding By Alpha Helices
authors R.G.Schumacher, K.Y.Choi, H.Zalkin, M.A.Brennan
compound source
Molecule: Dna (5'- D(Tpapcpgpcpapapapcpgptptptpgpcpgpt )-3');
Chain: B
Engineered: Yes


Molecule: Purine Repressor
Chain: A
Engineered: Yes
Mutation: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Purr
Expression_system: Escherichia Coli
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector: Pet24a
symmetry Space Group: C 2 2 21
R_factor 0.166 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
175.650 94.680 81.830 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.90 Å
ligand 6MP enzyme
related structures by homologous chain: 1JFS, 1QP7
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCrystal structure of LacI member, PurR, bound to DNA: minor groove binding by alpha helices., Schumacher MA, Choi KY, Zalkin H, Brennan RG, Science. 1994 Nov 4;266(5186):763-70. PMID:7973627
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (66 Kb) [Save to disk]
  • Biological Unit Coordinates (2pua.pdb1.gz) 121 Kb
  • LPC: Ligand-Protein Contacts for 2PUA
  • CSU: Contacts of Structural Units for 2PUA
  • Likely Quarternary Molecular Structure file(s) for 2PUA
  • Retrieve 2PUA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2PUA from S2C, [Save to disk]
  • View 2PUA 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 2PUA
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 2PUA, from MSDmotif at EBI
  • Genome occurence of 2PUA's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2puaa1, region A:2-58 [Jmol] [rasmolscript] [script source]
        - Domain d2puaa2, region A:59-340 [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: [2pua_B] [2pua_A] [2pua]
  • SWISS-PROT database: [P0ACP7]
  • Domain organization of [PURR_ECOLI] by SWISSPFAM
  • Domain found in 2PUA: [HTH_LACI ] by SMART
  • Other resources with information on 2PUA
  • Community annotation for 2PUA 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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