REMARK  ---------------------------------------------------------- 
REMARK  Molecule : T0064AL166_1_2 
REMARK  Alignment model prepared for CASP3 experiment 
REMARK  by group : SB-FOLD 
REMARK  ---------------------------------------------------------- 
TARGET T0064  
AUTHOR 7397-8542-2481  
METHOD PSI-Blast searches showed that SinR is related to phage repressors and  
METHOD that SinI is homologous to the C-terminal 40 residues of SinR. These  
METHOD findings were confirmed by the abstract posted on the CASP web site. A  
METHOD 3D superposition of phage repressors was made in order to identify  
METHOD conserved features and SinR was aligned by maximum overlap of the  
METHOD hydrophobic positions. The C-terminal 40 residues of SinR and the entire  
METHOD SinI protein failed to yield significant matches to proteins in the pdb  
METHOD database. Secondary structure prediction using the JPred server  
METHOD indicated the existence of two helices in each protein. The first is  
METHOD proposed to dimerize between SinR and SinI in the same fashion and in a  
METHOD similar position as the C-terminal helix in lambda C1 repressor  
METHOD (antiparallel, left-handed, 25 deg crossing angle) and the second is  
METHOD proposed to dimerize in a parallel, right-handed way at approximately 30  
METHOD deg crossing angle (the N-terminal helix of CreI endonuclease is  
METHOD included as the template). The first helix is oriented parallel to the  
METHOD DNA and the second helix perpendicular.  
MODEL  1  
REMARK  ---------------------------------------------------------- 
REMARK  AL2TS service [v. 08/06/1998]: Adam Zemla, adamz@llnl.gov 
REMARK  ---------------------------------------------------------- 
REMARK  Coordinates assigned from PDB entry: 1lli_A 
ATOM      1  N   THR A  68      22.982 -24.298  13.563  1.00  0.00              
ATOM      2  CA  THR A  68      23.313 -24.625  14.918  1.00  0.00              
ATOM      3  C   THR A  68      22.388 -23.887  15.830  1.00  0.00              
ATOM      4  O   THR A  68      22.213 -24.336  16.961  1.00  0.00              
ATOM      5  N   GLU A  69      21.830 -22.752  15.431  1.00  0.00              
ATOM      6  CA  GLU A  69      20.796 -22.239  16.302  1.00  0.00              
ATOM      7  C   GLU A  69      19.422 -22.166  15.608  1.00  0.00              
ATOM      8  O   GLU A  69      18.384 -22.130  16.264  1.00  0.00              
ATOM      9  N   TYR A  70      19.357 -22.235  14.272  1.00  0.00              
ATOM     10  CA  TYR A  70      18.088 -22.086  13.574  1.00  0.00              
ATOM     11  C   TYR A  70      18.050 -22.965  12.358  1.00  0.00              
ATOM     12  O   TYR A  70      18.294 -22.506  11.241  1.00  0.00              
ATOM     13  N   ASP A  71      17.685 -24.233  12.507  1.00  0.00              
ATOM     14  CA  ASP A  71      17.430 -25.159  11.402  1.00  0.00              
ATOM     15  C   ASP A  71      16.427 -24.637  10.351  1.00  0.00              
ATOM     16  O   ASP A  71      16.586 -24.849   9.140  1.00  0.00              
ATOM     17  N   GLY A  72      15.378 -23.936  10.772  1.00  0.00              
ATOM     18  CA  GLY A  72      14.417 -23.453   9.825  1.00  0.00              
ATOM     19  C   GLY A  72      14.953 -22.309   8.982  1.00  0.00              
ATOM     20  O   GLY A  72      14.722 -22.306   7.763  1.00  0.00              
ATOM     21  N   GLN A  73      15.715 -21.352   9.547  1.00  0.00              
ATOM     22  CA  GLN A  73      16.262 -20.262   8.741  1.00  0.00              
ATOM     23  C   GLN A  73      17.310 -20.867   7.854  1.00  0.00              
ATOM     24  O   GLN A  73      17.427 -20.474   6.691  1.00  0.00              
ATOM     25  N   LEU A  74      18.062 -21.844   8.321  1.00  0.00              
ATOM     26  CA  LEU A  74      19.015 -22.491   7.455  1.00  0.00              
ATOM     27  C   LEU A  74      18.301 -23.200   6.292  1.00  0.00              
ATOM     28  O   LEU A  74      18.816 -23.235   5.165  1.00  0.00              
ATOM     29  N   ASP A  75      17.085 -23.740   6.505  1.00  0.00              
ATOM     30  CA  ASP A  75      16.283 -24.400   5.470  1.00  0.00              
ATOM     31  C   ASP A  75      15.899 -23.392   4.411  1.00  0.00              
ATOM     32  O   ASP A  75      16.021 -23.630   3.206  1.00  0.00              
ATOM     33  N   SER A  76      15.518 -22.216   4.902  1.00  0.00              
ATOM     34  CA  SER A  76      15.118 -21.117   4.066  1.00  0.00              
ATOM     35  C   SER A  76      16.260 -20.624   3.227  1.00  0.00              
ATOM     36  O   SER A  76      16.085 -20.478   2.004  1.00  0.00              
ATOM     37  N   GLU A  77      17.427 -20.391   3.858  1.00  0.00              
ATOM     38  CA  GLU A  77      18.601 -19.954   3.123  1.00  0.00              
ATOM     39  C   GLU A  77      18.991 -20.950   2.050  1.00  0.00              
ATOM     40  O   GLU A  77      19.424 -20.542   0.961  1.00  0.00              
ATOM     41  N   TRP A  78      18.878 -22.248   2.323  1.00  0.00              
ATOM     42  CA  TRP A  78      19.153 -23.223   1.296  1.00  0.00              
ATOM     43  C   TRP A  78      18.102 -23.184   0.187  1.00  0.00              
ATOM     44  O   TRP A  78      18.501 -23.337  -0.964  1.00  0.00              
ATOM     45  N   GLU A  79      16.799 -23.034   0.420  1.00  0.00              
ATOM     46  CA  GLU A  79      15.836 -22.908  -0.669  1.00  0.00              
ATOM     47  C   GLU A  79      16.125 -21.761  -1.597  1.00  0.00              
ATOM     48  O   GLU A  79      16.191 -21.939  -2.807  1.00  0.00              
ATOM     49  N   LYS A  80      16.421 -20.578  -1.073  1.00  0.00              
ATOM     50  CA  LYS A  80      16.743 -19.428  -1.908  1.00  0.00              
ATOM     51  C   LYS A  80      17.971 -19.683  -2.772  1.00  0.00              
ATOM     52  O   LYS A  80      18.047 -19.245  -3.916  1.00  0.00              
ATOM     53  N   LEU A  81      18.947 -20.441  -2.277  1.00  0.00              
ATOM     54  CA  LEU A  81      20.141 -20.774  -3.027  1.00  0.00              
ATOM     55  C   LEU A  81      19.800 -21.712  -4.173  1.00  0.00              
ATOM     56  O   LEU A  81      20.503 -21.683  -5.190  1.00  0.00              
ATOM     57  N   VAL A  82      18.765 -22.546  -4.058  1.00  0.00              
ATOM     58  CA  VAL A  82      18.344 -23.361  -5.173  1.00  0.00              
ATOM     59  C   VAL A  82      18.005 -22.432  -6.343  1.00  0.00              
ATOM     60  O   VAL A  82      18.159 -22.852  -7.485  1.00  0.00              
ATOM     61  N   ARG A  83      17.648 -21.151  -6.131  1.00  0.00              
ATOM     62  CA  ARG A  83      17.329 -20.206  -7.195  1.00  0.00              
ATOM     63  C   ARG A  83      18.508 -19.417  -7.786  1.00  0.00              
ATOM     64  O   ARG A  83      18.372 -18.610  -8.729  1.00  0.00              
ATOM     65  N   ASP A  84      19.710 -19.561  -7.229  1.00  0.00              
ATOM     66  CA  ASP A  84      20.897 -18.971  -7.845  1.00  0.00              
ATOM     67  C   ASP A  84      21.727 -20.124  -8.407  1.00  0.00              
ATOM     68  O   ASP A  84      22.247 -19.968  -9.515  1.00  0.00              
ATOM     69  N   ALA A  85      21.804 -21.262  -7.687  1.00  0.00              
ATOM     70  CA  ALA A  85      22.507 -22.496  -8.036  1.00  0.00              
ATOM     71  C   ALA A  85      24.003 -22.303  -8.276  1.00  0.00              
ATOM     72  O   ALA A  85      24.779 -23.005  -7.621  1.00  0.00              
END
