Sentence 1: Promegestone is mainly bound to albumin , it does not bind to sex hormone - binding globulin and binds to Transcortin only weakly .
Sentence 2: Promegestone is only weakly bound to albumin , it does not bind to gender-binding globulin and binds mainly to Transcortin .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?