COMPND    MOL_ID: 2;
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;
SEQRES   1 I   21  GLN THR SER THR LEU ASP SER ILE SER VAL ASN ASP MET
SEQRES   2 I   21  THR VAL SER GLY SER ILE ASP VAL                    
ATOM      1  CA  GLN C 141      84.800 -26.590 -14.912  1.00 42.77
ATOM      2  CA  THR C 142      87.767 -27.504 -12.685  1.00 47.15
ATOM      3  CA  SER C 143      89.840 -24.893 -10.811  1.00 46.06
ATOM      4  CA  THR C 144      93.159 -26.441  -9.713  1.00 45.07
ATOM      5  CA  LEU C 145      94.580 -24.194  -6.950  1.00 51.53
ATOM      6  CA  ASP C 146      97.443 -24.376  -4.404  1.00 55.70
ATOM      7  CA  SER C 147      96.726 -22.276  -1.307  1.00 54.95
ATOM      8  CA  ILE C 148      93.524 -20.217  -0.931  1.00 54.22
ATOM      9  CA  SER C 149      92.980 -17.361   1.505  1.00 55.64
ATOM     10  CA  VAL C 150      89.246 -16.507   1.555  1.00 54.16
ATOM     11  CA  ASN C 151      86.845 -14.421   3.673  1.00 56.60
ATOM     12  CA  ASP C 152      83.647 -16.425   3.187  1.00 57.18
ATOM     13  CA  MET C 153      82.675 -19.570   1.302  1.00 51.77
ATOM     14  CA  THR C 154      79.381 -21.241   0.431  1.00 52.94
ATOM     15  CA  VAL C 155      79.432 -24.903  -0.657  1.00 50.72
ATOM     16  CA  SER C 156      76.362 -26.323  -2.412  1.00 48.42
ATOM     17  CA  GLY C 157      77.767 -29.857  -2.761  1.00 50.31
ATOM     18  CA  SER C 158      80.416 -31.200  -0.380  1.00 52.90
ATOM     19  CA  ILE C 159      83.934 -30.586   0.881  1.00 51.76
ATOM     20  CA  ASP C 160      86.234 -33.601   0.848  1.00 57.60
ATOM     21  CA  VAL C 161      88.887 -33.302   3.641  1.00 62.26
TER