1PC3 Transport Protein date May 15, 2003
title Crystal Structure Of The Extracellular Phosphate Abc Transport Receptor (Psts-1) And Immunodominant Antigen Of M. Tuberculosis.
authors N.K.Vyas, M.N.Vyas, F.A.Quiocho
compound source
Molecule: Phosphate-Binding Protein 1
Chain: A, B
Synonym: Pbp-1, Psts-1, Protein Antigen B, Pab, Antigen Ag78;
Engineered: Yes
 Organism_scientific: Mycobacterium Tuberculosis
Strain: H37rv
Gene: Psts1 Or Phos1 Or Rv0934 Or Mt0961 Or Mtcy08d9.05c
Expression_system: Escherichia Coli
Expression_system_common: Bacteria
Expression_system_strain: K12
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Petmpbp
symmetry Space Group: P 21 21 2
R_factor 0.220
crystal
cell
length a length b length c angle alpha angle beta angle gamma
125.400 72.300 73.400 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.16 Å
ligand PO4 enzyme
note 1PC3 is a representative structure
similarity Belongs to the psts family.[SBP_bac_1]
subcellular loc. Attached to the membrane by a lipid anchor (probable).
function Required for binding-protein-mediated phosphate transport.
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (223 Kb) [Save to disk]
  • Biological Unit Coordinates (1pc3.pdb1.gz) 155 Kb
  • Biological Unit Coordinates (1pc3.pdb2.gz) 50 Kb
  • CSU: Contacts of Structural Units for 1PC3
  • Likely Quarternary Molecular Structure file(s) for 1PC3
  • Retrieve 1PC3 in mmCIF format [Save to disk]
    • View 1PC3 in 3D
  • 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.
  • On AstexViewer, from MSD-EBI (viewer documentation).
  • On RasMol (Install RasMol freeware) Here's help on how to use RasMol.
    • Visual 3D analysis of 1PC3
  • Protein Explorer, Easier to use and more powerful than RasMol. (Win and Mac only)
  • Noncovalent Bond Finder displays the closest contacts to ligand or interface, reports distances, walks over water bridges.
  • STING, shows the sequence and maps the locations of sequence residues or residue ranges onto the 3D structure.
  • GRASS (Graphical Representation and Analysis of Structure Server)
  • 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
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1pc3a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1pc3b_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1pc3 from FSSP and Dali (Families of Structurally Similar Proteins)
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1pc3_A] [1pc3_B]
    • Other resources with information on 1PC3
  • InterPro: IPR005673 , IPR006059
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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