1B19

PH AFFECTS GLU B13 SWITCHING AND SULFATE BINDING IN CUBIC INSULIN CRYSTALS (PH 5.80 COORDINATES)

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.231 
  • R-Value Work: 0.189 
  • R-Value Observed: 0.189 

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This is version 1.2 of the entry. See complete history. 


Literature

Crystallographic titration of cubic insulin crystals: pH affects GluB13 switching and sulfate binding.

Diao, J.

(2003) Acta Crystallogr D Biol Crystallogr 59: 670-676

  • DOI: 10.1107/s0907444903002208
  • Primary Citation of Related Structures:  
    1B17, 1B18, 1B19, 1B2A, 1B2B, 1B2C, 1B2D, 1B2E, 1B2F, 1B2G

  • PubMed Abstract: 

    • Structures of porcine insulin crystals soaked in 1 M sodium sulfate at pH 5.00, 5.53, 5.80, 6.00, 6.16, 6.26, 6.35, 6.50, 6.98 and 9.00 have been determined at between 1.7 and 1.9 A resolution. GluB13 exhibits a single conformation at pH

    Structures of porcine insulin crystals soaked in 1 M sodium sulfate at pH 5.00, 5.53, 5.80, 6.00, 6.16, 6.26, 6.35, 6.50, 6.98 and 9.00 have been determined at between 1.7 and 1.9 A resolution. GluB13 exhibits a single conformation at pH

    Related Citations: 
    • Conformational Changes in Cubic Insulin Crystals in the Ph Range 7-11
      Gursky, O., Badger, J., Li, Y., Caspar, D.L.
      (1992) Biophys J 63: 1210
    • Monovalent Cation Binding in Cubic Insulin Crystals
      Gursky, O., Li, Y., Badger, J., Caspar, D.L.
      (1992) Biophys J 61: 604
    • Flexibility in Crystalline Insulins
      Badger, J.
      (1992) Biophys J 61: 816
    • Structure of the Pig Insulin Dimer in the Cubic Crystal
      Badger, J., Harris, M.R., Reynolds, C.D., Evans, A.C., Dodson, E.J., Dodson, G.G., North, A.C.T.
      (1991) Acta Crystallogr B 47: 127
    • Water Structure in Cubic Insulin Crystals
      Badger, J., Caspar, D.L.
      (1991) Proc Natl Acad Sci U S A 88: 622
    • Zinc-Free Cubic Pig Insulin: Crystallization and Structure Determination
      Dodson, E.J., Dodson, G.G., Lewitova, A., Sabesan, M.
      (1978) J Mol Biol 125: 387
    Organizational Affiliation: 

    Institute of Molecular Biophysics, Florida State University, Tallahassee 32306, USA. diao@bilbo.bio.purdue.edu



Macromolecules

Find similar proteins by:  Sequence   |   3D Structure  

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
PROTEIN (INSULIN A CHAIN)A21Sus scrofaMutation(s): 0 
Gene Names: INS
UniProt
Find proteins for P01315 (Sus scrofa)
Explore P01315 
Go to UniProtKB:  P01315
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP01315
Protein Feature View
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  • Reference Sequence
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(by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetailsImage
PROTEIN (INSULIN B CHAIN)B30Sus scrofaMutation(s): 0 
Gene Names: INS
UniProt
Find proteins for P01315 (Sus scrofa)
Explore P01315 
Go to UniProtKB:  P01315
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP01315
Protein Feature View
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
SO4
Query on SO4
Download Ideal Coordinates CCD File 
C [auth B]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L		 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.80 Å
  • R-Value Free: 0.231 
  • R-Value Work: 0.189 
  • R-Value Observed: 0.189 
  • Space Group: I 21 3
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 78.727α = 90
b = 78.727β = 90
c = 78.727γ = 90
Software Package:
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
X-PLORmodel building
X-PLORrefinement
X-PLORphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2003-04-08
    Type: Initial release
  • Version 1.1: 2008-04-26
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance