Viral structure Flashcards
1
Q
How many protein coat conformations does MS2 have?
A
2 - A/B dimer and C-C dimer
2
Q
What do different loop conformations mean?
A
Different contacts made
3
Q
What types of viruses break quasi-equivalence?
A
Tailed bacteriophages and herpes viruses, papilloma, HIV core, picornaviruses
4
Q
What proteins is human rhinovirus 16 made from?
A
VP1-3
5
Q
What conformers make up MS2
A
A, B and C
6
Q
How is poliovirus assembled into a mature 160S particle?
A
VP0, VP1 and VP3 come together. Assembly and mauration cleavage. VP0 turns into VP2 and VP4. VP4 is internal.
7
Q
In the absence of RNA encapsidation what particle is produced (polio)
A
Empty 80S particle
8
Q
What T is cowpea mosaic virus
A
T=3
9
Q
A
