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 E    1   264  UNP    Q71AW2   RBP_BPLP2        1    264
SEQRES   1 E   21  SER GLY THR GLY VAL THR SER THR LYS PRO ILE VAL GLN
SEQRES   2 E   21  THR SER THR LEU ASP SER ILE SER                    
ATOM      1  CA  SER E 129     365.728 492.364 503.887  1.00116.69
ATOM      2  CA  GLY E 130     362.422 491.305 505.521  1.00116.50
ATOM      3  CA  THR E 131     364.169 488.789 507.829  1.00112.50
ATOM      4  CA  GLY E 132     367.753 490.023 508.356  1.00104.24
ATOM      5  CA  VAL E 133     370.816 491.801 506.871  1.00100.98
ATOM      6  CA  THR E 134     371.780 491.357 503.163  1.00113.65
ATOM      7  CA  SER E 135     374.963 493.512 502.800  1.00110.15
ATOM      8  CA  THR E 136     377.117 495.943 504.849  1.00 99.34
ATOM      9  CA  LYS E 137     379.246 498.776 503.360  1.00104.03
ATOM     10  CA  PRO E 138     381.270 501.086 505.702  1.00 94.98
ATOM     11  CA  ILE E 139     381.626 504.878 505.117  1.00100.97
ATOM     12  CA  VAL E 140     384.906 506.065 503.534  1.00110.55
ATOM     13  CA  GLN E 141     387.648 507.448 505.863  1.00102.92
ATOM     14  CA  THR E 142     388.745 510.801 504.324  1.00119.29
ATOM     15  CA  SER E 143     392.389 511.768 504.995  1.00120.95
ATOM     16  CA  THR E 144     392.656 515.465 503.967  1.00132.43
ATOM     17  CA  LEU E 145     396.368 516.257 503.401  1.00142.23
ATOM     18  CA  ASP E 146     398.404 519.160 501.913  1.00161.63
ATOM     19  CA  SER E 147     401.729 517.594 500.732  1.00166.79
ATOM     20  CA  ILE E 148     402.987 513.953 500.705  1.00159.03
ATOM     21  CA  SER E 149     406.662 512.785 500.662  1.00171.28
TER