protein: density
 &cntrl
	imin   = 0,
	irest  = 1,
	ntx    = 5,
	ntb    = 2,
	cut    = 10,
	ntr    = 1,
	ntp    = 1,
	ntc    = 2,
	ntf    = 2,
	temp0  = 300.0,
	ntt    = 3,
	gamma_ln = 2.0,
	nstlim = 25000, dt = 0.002,
	ntpr = 2500, ntwx = 2500, ntwr = 1000
 /
Keep protein fixed with weak restraints
5.0
RES 1 1
END
END
