1. The 1.9-A resolution cristal structure of the Aequorea victoria green fluorescent protein(GFP)
   
   The following information is from the paper ---- 
CRYSTAL STRUCTURE OF THE AEQUOREA VICTORIA 
                           GREEN FLUORESCENT PROTEIN
        M.ORMO, A.B.CUBITT, K.KALLIO, L.A.GROSS, R.Y.TSIEN, S.J.REMINGTON
                       SCIENCE      V. 273  1392 1996

   a) PDB ID number : 1EMA

   b) Name of the authors : M.ORMO, A.B.CUBITT, K.KALLIO, L.A.GROSS, 
                              R.Y.TSIEN, S.J.REMINGTON

   c) Expression system used by authors : Escherichia Coli  Jm109 (De3)

   d) Residue number : 236

   e) Number of helix : 4

   f) The starting residue and ending residue of each helix :
        HELIX 1   GLY 4  ---  PHE 8 
      HELIX 2   TRP 57  ---  LEU 60
      HELIX 3   GLN 69  ---  PHE 71
      HELIX 4   PHE 83  ---  SER 86

   g) Number of sheet : 11



2. The Rasmol pictures of GFP


    The GFP structure


    Highlight the chromophore


    A rotating molecule




3. The  of GFP
   The following information is from the paper ---- 
Blue Variant Of Green Fluorescent Protein
        R.M.Wachter, B.A.King, R.Heim, K.Kallio, R.Y.Tsien, S.G.Boxer, S.J.Remington

    S65, H66, And G67 of GFP Are Replaced With Iic 66, Y145f.