RDA for protein is 0.8g/kg (~0.36/pound), so about 65g in your case if you're sedentary. 1g/pound is an old bodybuilder myth according to this article [0] which goes through various studies: "many review papers have concluded 0.82g/lb is the upper limit at which protein intake benefits body composition". This is for strength athletes and bodybuilders, mind you: most people (even many athletes) need far, far less.
[0] http://bayesianbodybuilding.com/the-myth-of-1glb-optimal-pro...