Optimum intake of #protein would be around 1.3 to 1.6g per kg of ideal body weight, or for a fit weight around 1g of protein per ounce of target body weight. For 70kg target weight, around 105g. The ultimate guide to proteins comes out well in the Blooness guide...
One of the key posts in the Blooness guide is available in audio format: how to achieve full vitality, lose weight or gain muscle with protein in the Mediterranean and moderate carbohydrate diets.