Sentence 1: The Sm ring permanently binds to the U1 , U2 , U4 and U5 snRNAs which form four of the five snRNPs that constitute the major spliceosome .
Sentence 2: The Sm ring permanently binds to the snRNAs of U1 , U2 , U4 and U5 , which form four of the five snRNPs that form the main spliceosome .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?