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 O    1   264  UNP    Q71AW2   RBP_BPLP2        1    264
SEQRES   1 O   21  SER GLY THR GLY VAL THR SER THR LYS PRO ILE VAL GLN
SEQRES   2 O   21  THR SER THR LEU ASP SER ILE SER                    
ATOM      1  CA  SER O 129     522.202 393.020 504.914  1.00158.03
ATOM      2  CA  GLY O 130     525.419 394.123 506.702  1.00160.43
ATOM      3  CA  THR O 131     523.586 396.942 508.548  1.00150.84
ATOM      4  CA  GLY O 132     519.985 395.772 509.122  1.00137.28
ATOM      5  CA  VAL O 133     516.808 393.938 507.984  1.00130.94
ATOM      6  CA  THR O 134     516.032 394.261 504.228  1.00141.29
ATOM      7  CA  SER O 135     512.811 392.162 503.883  1.00134.12
ATOM      8  CA  THR O 136     510.627 389.672 505.838  1.00122.47
ATOM      9  CA  LYS O 137     508.484 386.751 504.540  1.00123.78
ATOM     10  CA  PRO O 138     506.260 384.552 506.814  1.00113.45
ATOM     11  CA  ILE O 139     505.973 380.731 506.432  1.00117.79
ATOM     12  CA  VAL O 140     502.584 379.603 504.961  1.00118.52
ATOM     13  CA  GLN O 141     500.013 378.200 507.451  1.00108.70
ATOM     14  CA  THR O 142     498.957 374.798 506.000  1.00172.62
ATOM     15  CA  SER O 143     495.391 373.615 506.815  1.00166.65
ATOM     16  CA  THR O 144     495.106 369.902 505.863  1.00180.26
ATOM     17  CA  LEU O 145     491.391 368.946 505.589  1.00173.48
ATOM     18  CA  ASP O 146     489.386 365.947 504.238  1.00177.73
ATOM     19  CA  SER O 147     486.213 367.554 502.714  1.00160.23
ATOM     20  CA  ILE O 148     484.771 371.093 502.757  1.00145.48
ATOM     21  CA  SER O 149     481.074 372.091 502.485  1.00143.22
TER