A structure of signal cable connector, which is connected to the signal cable between the hard disk and the computer’s main board, comprises at least an enclosure, a circuit board and a wire strand. The fluorescent lamps are affixed to the main housing and the moveable reflector assembly is adjusted to a position close to the fluorescent lamps to achieve a narrow illumination field. A base connects the cover to the door. Methods for and uses of the new polynucleotide, polypeptide, fragments thereof and inhibitors thereof, include the treatment of dermatological disorders and cancer. The distance between the outer circumference of the coil and the inner circumference of the heat sink is 70\u2013100 \u03bcm. The respective alignment surfaces are shaped and positioned so that the darkspace shield is physically moved to a desired aligned position as the alignment surfaces engage each other.