Virology Explain the make up and role of different complexes

Virology.

Explain the make up and role of different complexes: for example the components of the spliceosome made up and its role.

Solution

Answer=1]

components of spliceosome made up &its roles

Spliceosome is large & compex molecular machine

assembled from snRNAs & protein complexes

1] sn RNAs = it is composed of 5 small nuclear RNAs

are U1,U2,U4,U5 ,U6

Roles - they participate in most RNA -RNA & RNA -Protein interactions

2] associated protein factors = snRNPs or small nuclear ribonucleoproteins

are RNA protein complexes that combine with unmodified mRNA & various other proteins to form spliceosome

2] Multiprotein complex = is a group of 2 or more associated polypeptide chains

example -proteasome - important for molecular degradation

3] Major histocompatibility compex (MHC )=set of cell surface proteins

role- to bind antigen derived from pathogens & display them on the call surface for recognition by appropriate T cells