RFC is a clamp loader that catalyzes the loading of PCNA onto DNA. It binds to the 3’ end of the DNA and uses ATP hydrolysis to open the ring of PCNA so that it can encircle the DNA.

TLS Online TPP Program

#Id: 2559

#Unit 13. Methods in Biology

Cyclization between Ser and Gly is probably rapid, and the oxidation of the Tyr side chain (by O2) is probably the rate-limiting step of fluorophore generation.

TLS Online TPP Program

#Id: 2512

#Unit 13. Methods in Biology

Quantitative analysis (i.e., measurements of the relative amounts of different proteins in a sample) can be achieved by scanning densitometry .

TLS Online TPP Program

#Id: 9858

#Unit 6. System Physiology – Plant

Phototropin receptors are associated with the plasma membrane, where they function as light-activated serine/threonine kinases.

TLS Online TPP Program

#Id: 9335

#Unit 4. Cell Communication and Cell Signaling

Drosophila homolog of TGF-β = Dpp

TLS Online TPP Program

#Id: 1019

#Unit 5. Developmental Biology

The processes by which the three ectodermal regions are made physically and functionally distinct from one another is called neurulation.