HEADER    VIRAL PROTEIN                           31-DEC-69   6ZIG
TITLE     Topological model of the p2 virion baseplate in activated
TITLE   2 conformation (closed Tal trimer)
COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: Receptor binding protein;
COMPND   3 CHAIN: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R;
EXPDTA     ELECTRON MICROSCOPY
DBREF  6ZIG A    1   264  UNP    Q71AW2   RBP_BPLP2        1    264
SEQRES   1 A   21  SER GLY THR GLY VAL THR SER THR LYS PRO ILE VAL GLN
SEQRES   2 A   21  THR SER THR LEU ASP SER ILE SER                    
ATOM      1  CA  SER A 129     478.554 478.759 509.554  1.00 73.56
ATOM      2  CA  GLY A 130     477.731 475.847 511.876  1.00 77.91
ATOM      3  CA  THR A 131     481.092 476.380 513.682  1.00 76.85
ATOM      4  CA  GLY A 132     481.917 480.117 513.631  1.00 70.37
ATOM      5  CA  VAL A 133     481.879 483.551 511.968  1.00 66.54
ATOM      6  CA  THR A 134     482.316 483.585 508.151  1.00 72.21
ATOM      7  CA  SER A 135     481.873 487.364 507.548  1.00 71.32
ATOM      8  CA  THR A 136     481.052 490.687 509.264  1.00 66.29
ATOM      9  CA  LYS A 137     479.496 493.765 507.651  1.00 69.51
ATOM     10  CA  PRO A 138     478.858 497.008 509.589  1.00 65.64
ATOM     11  CA  ILE A 139     475.623 499.006 509.332  1.00 65.81
ATOM     12  CA  VAL A 140     476.002 502.339 507.451  1.00 76.26
ATOM     13  CA  GLN A 141     476.463 505.496 509.597  1.00 74.21
ATOM     14  CA  THR A 142     474.114 508.122 508.084  1.00 89.34
ATOM     15  CA  SER A 143     474.816 511.874 508.226  1.00 80.42
ATOM     16  CA  THR A 144     471.618 513.865 507.511  1.00 83.94
ATOM     17  CA  LEU A 145     472.635 517.433 506.599  1.00 80.49
ATOM     18  CA  ASP A 146     470.842 520.556 505.289  1.00 86.22
ATOM     19  CA  SER A 147     473.482 522.494 503.278  1.00 84.21
ATOM     20  CA  ILE A 148     477.177 521.821 502.752  1.00 79.00
ATOM     21  CA  SER A 149     479.897 524.286 501.749  1.00 88.22
TER