prot.trj frame 0:
   natoms=       562  step=         0  time=         0  lambda=         0
   box (3x3):
      box[    0]={ 4.88361e+00,  0.00000e+00,  0.00000e+00}
      box[    1]={ 1.62787e+00,  4.60432e+00,  0.00000e+00}
      box[    2]={-1.62787e+00,  2.30216e+00,  3.98745e+00}
   x (562x3):
      x[    0]={-6.57867e+05, -3.15094e+03,  1.23596e+04}
      x[    1]={ 1.37550e+05, -1.07231e+04,  1.27991e+05}
      x[    2]={ 1.45630e+05, -1.27129e+05, -1.02386e+04}
      x[    3]={ 1.79932e+05,  1.40402e+05,  1.14899e+04}
      x[    4]={ 1.99490e+05, -1.04828e+04, -1.50558e+05}
      ...................................................
      ...................................................
      ...................................................
      x[  561]={  0.00000e+00,  0.00000e+00,  0.00000e+00}                        
prot.trj frame 1:
   natoms=       562  step=         0  time=         0  lambda=         0
   box (3x3):
      box[    0]={ 4.88361e+00,  0.00000e+00,  0.00000e+00}
      box[    1]={ 1.62787e+00,  4.60432e+00,  0.00000e+00}
      box[    2]={-1.62787e+00,  2.30216e+00,  3.98745e+00}
   x (562x3):
      x[    0]={-3.26538e+03, -6.56494e+05, -3.99780e+03}
      x[    1]={-1.09863e+04,  7.30248e+04, -2.18506e+04}
      x[    2]={-1.30814e+05,  2.72743e+05,  1.18103e+04}
      x[    3]={ 1.44211e+05,  2.40854e+05,  1.89514e+04}
      ...................................................
      ...................................................
      x[  561]={  0.00000e+00,  0.00000e+00,  0.00000e+00}                  

........................................................................      
........................................................................
........................................................................
prot.trj frame 1683:
   natoms=       562  step=       561  time=         0  lambda=         0
      x[    0]={-6.57867e+05, -3.15094e+03,  1.23596e+04}   
      ...................................................
      ...................................................
      ...................................................      
      x[  561]={  0.00000e+00,  0.00000e+00,  0.00000e+00}                  
prot.trj frame 1684:
   natoms=       562  step=       561  time=         0  lambda=         0
      x[    0]={-6.57867e+05, -3.15094e+03,  1.23596e+04}   
      ...................................................
      ...................................................
      ...................................................      
      x[  561]={  0.00000e+00,  0.00000e+00,  0.00000e+00}                        
prot.trj frame 1685:
   natoms=       562  step=       561  time=         0  lambda=         0
   box (3x3):
      box[    0]={ 4.88361e+00,  0.00000e+00,  0.00000e+00}
      box[    1]={ 1.62787e+00,  4.60432e+00,  0.00000e+00}
      box[    2]={-1.62787e+00,  2.30216e+00,  3.98745e+00}
   x (562x3):
      x[    0]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
      x[    1]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
      x[    2]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
      x[    3]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
      x[    4]={ 0.00000e+00,  0.00000e+00,  0.00000e+00}
      ...................................................
      ...................................................
      ...................................................      
      x[  561]={  0.00000e+00,  0.00000e+00,  0.00000e+00}