def calcMzFromMh(mh, charge):
    """Calculate the mz value from MH+ and charge.

    :param mh: float, mass to charge ratio (Dalton / charge) of the mono
        protonated ion
    :param charge: int, charge state

    :returns: mass to charge ratio of the specified charge state
    """
    mz = (mh + (maspy.constants.atomicMassProton * (charge-1))) / charge
    return mz
Calculate the mz value from MH+ and charge.

    :param mh: float, mass to charge ratio (Dalton / charge) of the mono
        protonated ion
    :param charge: int, charge state

    :returns: mass to charge ratio of the specified charge state