3LA3 Transcription date Jan 06, 2010
title Crystal Structure Of Ntca In Complex With 2,2-Difluoropentan Acid
authors M.X.Zhao, Y.L.Jiang, Y.X.He, Y.F.Chen, Y.B.Teng, Y.X.Chen, C.C.Zha C.Z.Zhou
compound source
Molecule: Global Nitrogen Regulator
Chain: A, B
Synonym: Dna-Binding Protein Vf1, Nitrogen-Responsive Regul Protein;
Engineered: Yes
Organism_scientific: Anabaena
Organism_taxid: 103690
Strain: Pcc 7120
Gene: Alr4392, Bifa, Ntca
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet28b
symmetry Space Group: P 21 21 21
R_factor 0.211 R_Free 0.253
crystal
cell
length a length b length c angle alpha angle beta angle gamma
68.030 70.080 149.730 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.40 Å
ligand 2FT enzyme
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceStructural basis for the allosteric control of the global transcription factor NtcA by the nitrogen starvation signal 2-oxoglutarate., Zhao MX, Jiang YL, He YX, Chen YF, Teng YB, Chen Y, Zhang CC, Zhou CZ, Proc Natl Acad Sci U S A. 2010 Jul 13;107(28):12487-92. Epub 2010 Jun 28. PMID:20616047
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (72 Kb) [Save to disk]
  • Biological Unit Coordinates (3la3.pdb1.gz) 66 Kb
  • LPC: Ligand-Protein Contacts for 3LA3
  • CSU: Contacts of Structural Units for 3LA3
  • Structure Factors (1278 Kb)
  • Retrieve 3LA3 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3LA3 from S2C, [Save to disk]
  • Re-refined 3la3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3LA3 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 3LA3
  • 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
  • 3D motif for 3LA3, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1v3la3, region A:407-496 [Jmol] [rasmolscript] [script source]
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3la3_B] [3la3_A] [3la3]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domains found in 3LA3: [HTH_CRP] [cNMP ] by SMART
  • Other resources with information on 3LA3
  • Community annotation for 3LA3 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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