2PUF Transcription Dna date Oct 04, 1997
title Crystal Structure Of The Laci Family Member, Purr, Bound To Groove Binding By Alpha Helices
authors F.Lu, M.A.Schumacher, D.N.Arvidson, A.Haldimann, B.L.Wanner, H.Za R.G.Brennan
compound source
Molecule: Dna (5'- D(Tpapcpgpcpapapapcpgptptptpgpcpgpt )-3');
Chain: B
Engineered: Yes
Synthetic: Yes

Molecule: Protein (Purine Repressor)
Chain: A
Engineered: Yes
Mutation: Yes

Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Purr
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector: Pet24a
Expression_system_plasmid: Pdna100
symmetry Space Group: C 2 2 21
R_factor
R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
175.920 95.050 81.590 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.00 Å
ligand GUN enzyme
related structures by homologous chain: 1BDI, 1PRV
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceStructure-based redesign of corepressor specificity of the Escherichia coli purine repressor by substitution of residue 190., Lu F, Schumacher MA, Arvidson DN, Haldimann A, Wanner BL, Zalkin H, Brennan RG, Biochemistry 1998 Jan 27;37(4):971-82. PMID:9454587
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (57 Kb) [Save to disk]
  • Biological Unit Coordinates (2puf.pdb1.gz) 104 Kb
  • LPC: Ligand-Protein Contacts for 2PUF
  • CSU: Contacts of Structural Units for 2PUF
  • Likely Quarternary Molecular Structure file(s) for 2PUF
  • Retrieve 2PUF in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2PUF from S2C, [Save to disk]
  • View 2PUF 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 2PUF
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2PUF, from MSDmotif at EBI
  • Genome occurence of 2PUF's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2pufa1, region A:3-58 [Jmol] [rasmolscript] [script source]
        - Domain d2pufa2, region A:59-340 [Jmol] [rasmolscript] [script source]
  • Fold representative 2puf 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: [2puf_A] [2puf_B] [2puf]
  • SWISS-PROT database: [P0ACP7]
  • Domain organization of [PURR_ECOLI] by SWISSPFAM
  • Domain found in 2PUF: [HTH_LACI ] by SMART
  • Other resources with information on 2PUF
  • Community annotation for 2PUF 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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