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 C    1   264  UNP    Q71AW2   RBP_BPLP2        1    264
SEQRES   1 C   21  SER GLY THR GLY VAL THR SER THR LYS PRO ILE VAL GLN
SEQRES   2 C   21  THR SER THR LEU ASP SER ILE SER                    
ATOM      1  CA  SER C 129     513.241 532.860 504.269  1.00 99.34
ATOM      2  CA  GLY C 130     516.443 534.083 505.998  1.00103.99
ATOM      3  CA  THR C 131     514.653 537.163 507.430  1.00100.13
ATOM      4  CA  GLY C 132     511.007 536.172 508.040  1.00 93.19
ATOM      5  CA  VAL C 133     507.804 534.303 507.046  1.00 88.43
ATOM      6  CA  THR C 134     507.141 534.179 503.253  1.00 93.18
ATOM      7  CA  SER C 135     503.861 532.157 503.081  1.00 90.70
ATOM      8  CA  THR C 136     501.552 530.010 505.279  1.00 84.17
ATOM      9  CA  LYS C 137     499.354 527.018 504.289  1.00 85.31
ATOM     10  CA  PRO C 138     497.004 525.202 506.756  1.00 78.58
ATOM     11  CA  ILE C 139     496.624 521.364 506.822  1.00 78.86
ATOM     12  CA  VAL C 140     493.267 520.161 505.349  1.00 82.80
ATOM     13  CA  GLN C 141     490.577 519.157 507.900  1.00 75.80
ATOM     14  CA  THR C 142     489.502 515.623 506.832  1.00 87.84
ATOM     15  CA  SER C 143     485.880 514.640 507.632  1.00 82.89
ATOM     16  CA  THR C 144     485.546 510.848 507.118  1.00 89.80
ATOM     17  CA  LEU C 145     481.839 509.899 506.762  1.00 88.36
ATOM     18  CA  ASP C 146     479.907 506.726 505.723  1.00 97.00
ATOM     19  CA  SER C 147     476.767 508.172 503.998  1.00 90.89
ATOM     20  CA  ILE C 148     475.257 511.646 503.497  1.00 81.52
ATOM     21  CA  SER C 149     471.599 512.681 503.117  1.00 84.86
TER