3 days without protein. Will I lose muscle?

GetFitBy2010

Even tho I still do weight lifting and eat 1 gram of protein per body weight on the 4th day?
and how much muscle mass will I lose?

I'm fasting on veg,fruit for religious reason. I don't want to take protein powder unless I have to.

July24Lioness

Here are some vegan options for protein sources:

Vegan sources of protein

Amaranth*
Cereals and grains - buckwheat*, rye, corn, rice, pasta...
Leafy green vegetables, including spinach
Legumes - beans, lentils, peas, peanuts
Nutritional yeast*
Nuts - almonds, walnuts, cashews...
Quinoa*
Seaweed - spirulina*, kelp ...
Seeds - hemp*, sesame, sunflower...
Soy* products - tofu, tempeh, soy milk...
Vegetables - Brussel sprouts, potatoes, yuca