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 R    1   264  UNP    Q71AW2   RBP_BPLP2        1    264
SEQRES   1 R   21  SER GLY THR GLY VAL THR SER THR LYS PRO ILE VAL GLN
SEQRES   2 R   21  THR SER THR LEU ASP SER ILE SER                    
ATOM      1  CA  SER R 129     555.268 427.711 501.652  1.00196.61
ATOM      2  CA  GLY R 130     558.006 425.589 503.310  1.00198.03
ATOM      3  CA  THR R 131     559.789 428.705 504.665  1.00195.29
ATOM      4  CA  GLY R 132     557.101 431.349 505.339  1.00192.36
ATOM      5  CA  VAL R 133     553.831 433.150 504.435  1.00179.56
ATOM      6  CA  THR R 134     553.260 433.636 500.658  1.00194.06
ATOM      7  CA  SER R 135     549.840 435.425 500.584  1.00182.77
ATOM      8  CA  THR R 136     546.870 436.322 502.859  1.00162.27
ATOM      9  CA  LYS R 137     543.137 436.682 501.980  1.00157.36
ATOM     10  CA  PRO R 138     540.435 437.780 504.520  1.00139.57
ATOM     11  CA  ILE R 139     536.941 436.160 504.720  1.00131.10
ATOM     12  CA  VAL R 140     534.120 438.422 503.363  1.00138.40
ATOM     13  CA  GLN R 141     531.970 440.233 505.986  1.00125.85
ATOM     14  CA  THR R 142     528.335 439.380 505.069  1.00145.02
ATOM     15  CA  SER R 143     525.684 442.015 505.969  1.00127.49
ATOM     16  CA  THR R 144     522.216 440.391 505.582  1.00154.71
ATOM     17  CA  LEU R 145     519.509 443.117 505.392  1.00138.71
ATOM     18  CA  ASP R 146     515.752 443.241 504.510  1.00147.75
ATOM     19  CA  SER R 147     515.380 446.680 502.770  1.00140.97
ATOM     20  CA  ILE R 148     517.743 449.677 502.233  1.00133.50
ATOM     21  CA  SER R 149     516.808 453.383 501.769  1.00131.74
TER