Promoters that do not contain a TATA element are called TATA-less promoters. Surveys of promoter sequences suggest that 50% or more of promoters may be TATA-less.

TLS Online TPP Program

#Id: 1644

#Unit 4. Cell Communication and Cell Signaling

Inhibition of class I presentation observed when protein synthesis was blocked by the inhibitor emetine.

TLS Online TPP Program

#Id: 2424

#Unit 3. Fundamental Processes

the termination event can be prevented by specific ancillary factors that interact with RNA and/or RNA polymerase, a situation referred to as antitermination.

TLS Online TPP Program

#Id: 8509

#Unit 1. Molecules and their Interaction Relevant to Biology

CATH differs from SCOP in that it combines manual analysis with automation based on quantitative algorithms to classify protein structures.

TLS Online TPP Program

#Id: 9708

#Unit 4. Cell Communication and Cell Signaling

Ste5 acts as a scaffold for assembling other components in the cascade Ste11, Ste7, and Fus3.

TLS Online TPP Program

#Id: 1394

#Unit 4. Cell Communication and Cell Signaling

CapZ blocks the (+) end, which is where filaments normally grow, so its function is to limit actin dynamics to the (−) end.