snRNP types and roles

Question 1

U1

Answer 1

complements 5’ end of intron, recognizes and binds 5’ site of intron

Question 2

U2

Answer 2

complements intron branch point, binds there

Question 3

U4

Answer 3

complements U6, binds to it and inactivates it

Question 4

U5

Answer 4

complements exon 1 & 2 and binds to them

Question 5

U6

Answer 5

complements U2 & 5’ site, displaces U1 and binds 5’ site and U2 at branch point

Question 6

BBP

Answer 6

branch point binding protein