If Tat failed to stimulate Pol II elongation from HIV-1 promoter lacking 7SK snRNP, the now- revised model of Tat transactivation would gain even further momentum. Figure 2: Alternative pools of P ...

Molecular evolution is the area of evolutionary ... related proteins underlying echolocation in mammals. Spliceosomal snRNP core assembly typically requires chaperones such as the SMN complex.