A maintenance methyltransferase acts constitutively only on hemimethylated sites to convert them to fully methylated sites. Its existence means that any methylated site is perpetuated after replication.  There is one maintenance methyltransferase (Dnmt1) in mice, and it is essential.

TLS Online TPP Program

#Id: 8690

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 6441

#Unit 8. Inheritance Biology

TLS Online TPP Program

#Id: 2388

#Unit 3. Fundamental Processes

Specific exonic and intronic sequences can enhance or suppress splice site selection.

TLS Online TPP Program

#Id: 9901

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 9279

#Unit 6. System Physiology – Plant

The binding of Nod factors to the Nod factor receptors (NFRs), which contain extracellular LysM motifs, initiates an interaction with the conserved SYMRK receptor-like kinases containing a leucine-rich repeat (LRR) domain.