TABLE 3.

Functional properties of mutant TYLCV C3 proteins^a

Mutant	Replication	C3-C3	C3-C1	C3-PCNA	C3-pRBR
a3	wt	wt	wt	wt	Inactive
c4	wt
c7	wt
a10	wt	Reduced	wt	Reduced	inactive
a20	Enhanced	Reduced	Enhanced	Enhanced	inactive
a29	Inactive	Inactive	Inactive	inactive	Enhanced
a38	wt
a50	Reduced	Reduced	Inactive	inactive	Reduced
c51	wt
a53	inactive	Reduced	Inactive	inactive	wt
a54	Enhanced	Reduced	Enhanced	Enhanced	Reduced
c57	Reduced
a58	wt
c58	Reduced
a64	Enhanced	Reduced	Enhanced	wt	wt
a68	Reduced	Reduced	Inactive	inactive	wt
a69	Inactive	Reduced	Inactive	Inactive	Reduced
a73	Reduced	Reduced	Inactive	Reduced	wt
c84	Reduced
a86	Trace	Inactive	Inactive	Inactive	Inactive
a87	Reduced	Reduced	Inactive	Inactive	Reduced
a93	Inactive	Reduced	Inactive	Inactive	Reduced
a94	Reduced	wt	Enhanced	Enhanced	wt
a104	wt
c107	Reduced
a127	wt	wt	Reduced	wt	Inactive
c128	wt
c130	wt
a131	wt	wt	Enhanced	Enhanced	Inactive
a133	wt	wt	wt	wt	Inactive

^aAll activities classified as reduced or enhanced showed P < 0.05 when compared to wild-type C3 using a Students t test. wt, wild type.