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 I    1   264  UNP    Q71AW2   RBP_BPLP2        1    264
SEQRES   1 M   21  SER GLY THR GLY VAL THR SER THR LYS PRO ILE VAL GLN
SEQRES   2 M   21  THR SER THR LEU ASP SER ILE SER                    
ATOM      1  CA  SER I 129     329.799 456.794 505.344  1.00191.96
ATOM      2  CA  GLY I 130     327.040 458.824 507.082  1.00192.04
ATOM      3  CA  THR I 131     325.392 455.648 508.471  1.00184.12
ATOM      4  CA  GLY I 132     328.182 453.089 509.062  1.00181.58
ATOM      5  CA  VAL I 133     331.480 451.394 508.064  1.00172.26
ATOM      6  CA  THR I 134     331.963 450.940 504.270  1.00182.52
ATOM      7  CA  SER I 135     335.432 449.263 504.090  1.00172.06
ATOM      8  CA  THR I 136     338.490 448.450 506.282  1.00156.51
ATOM      9  CA  LYS I 137     342.205 448.216 505.302  1.00155.19
ATOM     10  CA  PRO I 138     345.004 447.188 507.761  1.00140.51
ATOM     11  CA  ILE I 139     348.440 448.933 507.873  1.00139.53
ATOM     12  CA  VAL I 140     351.291 446.818 506.361  1.00143.70
ATOM     13  CA  GLN I 141     353.440 444.989 508.952  1.00130.15
ATOM     14  CA  THR I 142     356.986 446.037 507.898  1.00147.83
ATOM     15  CA  SER I 143     359.788 443.515 508.639  1.00141.36
ATOM     16  CA  THR I 144     363.221 445.159 508.164  1.00158.36
ATOM     17  CA  LEU I 145     366.008 442.525 507.862  1.00163.78
ATOM     18  CA  ASP I 146     369.737 442.542 506.897  1.00178.54
ATOM     19  CA  SER I 147     370.122 439.125 505.131  1.00168.43
ATOM     20  CA  ILE I 148     367.967 435.991 504.619  1.00173.27
ATOM     21  CA  SER I 149     369.043 432.331 504.101  1.00178.51
TER