GTP-binding switch proteins contains two domain-

Switch I- Thr-35

Switch II- Gly-60 

TLS Online TPP Program

#Id: 7802

#Unit 2. Cellular Organization

Free NXF1 and NXT1 proteins are recycled back into the nucleus by the Ran-dependent import process.

TLS Online TPP Program

#Id: 9818

#Unit 6. System Physiology – Plant

VLFRs are non-photoreversible.

TLS Online TPP Program

#Id: 7540

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 8349

#Unit 2. Cellular Organization

TLS Online TPP Program

#Id: 382

#Unit 2. Cellular Organization

H3 and H4 histones first form heterodimers that then come together to form a tetramer with two molecules each of H3 and H4. While H2A and H2B form heterodimers in solution but not tetramers. This assembly without DNA called Histone-only Intermediates