Pathogenicity islands GC content often differs from that of the rest of the genome, and it is likely that these regions are spread among bacteria by a process of horizontal transfer.

TLS Online TPP Program

#Id: 10369

#Unit 4. Cell Communication and Cell Signaling

Class III MHC genes encode several different proteins, some with immune functions, include the complement components C4, C2, and factor B, TNF-α and Lymphotoxin-α [TNF- α]. 

TLS Online TPP Program

#Id: 10370

#Unit 4. Cell Communication and Cell Signaling

HLA-G

These are present on fetal cells at the maternal-fetal interface and are credited with inhibiting rejection by maternal CD8+ T cells by protecting the fetus from identification as foreign.

TLS Online TPP Program

#Id: 10371

#Unit 4. Cell Communication and Cell Signaling

A given MHC molecule can bind numerous different peptides, and some peptides can bind to several different MHC molecules. Because of this MHC molecule is often referred to as “promiscuous”.

TLS Online TPP Program

#Id: 10372

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 10373

#Unit 4. Cell Communication and Cell Signaling

MHC-Peptide Interaction

TLS Online TPP Program

#Id: 10374

#Unit 4. Cell Communication and Cell Signaling