Bob's Red Mill 2 Organic Dark Rye Flour - 2 20 Ounce (1.25 lbs) Stand Up Resealable Bags

What is the % of protein of this flour? I know there is 4 g per serving but I need to know the % of protein in the flour. Thank you.

How do you use this in a bread machine?

Is this ground fairly fine or is it coarse?

what is the expiration date of this item?