Types
The following is a list of the five major families of catalytic receptors:
| Family | Member | Gene | Catalytic activity | Endogenous Ligands | Synthetic Ligands |
|---|---|---|---|---|---|
| Erb | ErbB1 (epidermal growth factor receptor) | EGFR | tyrosine kinase EC 2.7.10.1 | Epidermal growth factor, amphiregulin, betacellulin, epigen, epiregulin, HB-EGF, TGFa | GW583340, gefitinib, erlotinib, tyrphostins AG879 and AG1478 |
| ErbB2 | ERBB2 | " | |||
| ErbB3 | ERBB3 | " | NRG-1, NRG-2 | GW583340, gefitinib, erlotinib, tyrphostins AG879 and AG1478 | |
| ErbB4 | ERBB4 | " | Betacellulin, epiregulin, HB-EGF, NRG-1, NRG-2, NRG-3, NRG-4 | GW583340, gefitinib, erlotinib, tyrphostins AG879 and AG1478 | |
| GDNF (glial cell-derived neurotrophic factor) | GFRa1 | GFRa1 | " | GDNF > neurturin > artemin | |
| GFRa2 | GFRa2 | " | Neurturin > GDNF | ||
| GFRa3 | GFRa3 | " | Artemin | ||
| GFRa4 | GFRa4 | " | Persephin | ||
| NPR (natriuretic peptide receptor) | NPR1 | NPR1 | guanylyl cyclase EC 4.6.1.2 | Atrial natriuretic peptide | |
| NPR2 | NPR2 | " | C-type natriuretic peptide | ||
| NPR3 | NPR3 | " | Atrial natriuretic peptide | ||
| NPR4 | NPR4 | " | Uroguanylin | ||
| trk neurotrophin receptor | TrkA | NTRK1 | tyrosine kinase EC 2.7.10.1 | Nerve growth factor > NT-3 | GW441756, tyrphostin AG879 |
| TrkB | NTRK2 | " | Brain-derived neurotrophic factor, NT-4/NT-5 > NT-3 | ||
| TrkC | NTRK3 | " | NT-3 | ||
| p75 | NGFR | " | NGF, BDNF, NT3, NT4/5 | ||
| Toll-like | TLR1 | TLR1 | " | ||
| TLR2 | TLR2 | " | Peptidoglycan | ||
| TLR3 | TLR3 | " | polyIC, polyinosine-polycytosine | ||
| TLR4 | TLR4 | " | LPS, lipopolysaccharide derived from Gram-negative bacteria | ||
| TLR5 | TLR5 | " | Flagellin | ||
| TLR6 | TLR6 | " | |||
| TLR7 | TLR7 | " | resiquimod, imiquimod | ||
| TLR8 | TLR8 | " | |||
| TLR9 | TLR9 | " | CpG, DNA enriched in cytosine:guanosine pairs | ||
| TLR10 | TLR10 | " |
Read more about this topic: Enzyme-linked Receptor
Famous quotes containing the word types:
“The American man is a very simple and cheap mechanism. The American woman I find a complicated and expensive one. Contrasts of feminine types are possible. I am not absolutely sure that there is more than one American man.”
—Henry Brooks Adams (1838–1918)
“If there is nothing new on the earth, still the traveler always has a resource in the skies. They are constantly turning a new page to view. The wind sets the types on this blue ground, and the inquiring may always read a new truth there.”
—Henry David Thoreau (1817–1862)
“He’s one of those know-it-all types that, if you flatter the wig off him, he chatter like a goony bird at mating time.”
—Michael Blankfort. Lewis Milestone. Johnson (Reginald Gardner)