Common gamma chain
| interleukin 2 receptor, gamma (severe combined immunodeficiency)
| |
| Identifiers | |
| Symbol | IL2RG |
| Alt. Symbols | SCIDX1, IMD4 |
| Entrez | 3561 |
| HUGO | 6010 |
| OMIM | 308380 |
| RefSeq | NM_000206 |
| UniProt | P31785 |
| Other data | |
| Locus | Chr. X q13 |
Common gamma chain (γc) is a cytokine receptor subunit that is located on the surface of certain sub-sets of lymphocytes (white blood cells).
Contents |
Structure
It has one end outside the cell like an antenna and the other end inside to transmit signals to the cell's nucleus.
Ligands
The common gamma chain partners with other ligand-specific receptors to direct lymphocytes to respond to cytokines including IL-2, IL-4, IL-7, IL-9, IL-15 and IL-21. [1]
Function
Lymphocytes expressing the common gamma chain can form functional receptors for these cytokine proteins, which transmit signals from one cell to another and direct programs of cellular differentiation.
Clinical significance
A deficiency is associated with severe combined immunodeficiency.
References
- ↑ Asao H, Okuyama C, Kumaki S, et al (2001). "Cutting edge: the common gamma-chain is an indispensable subunit of the IL-21 receptor complex". J. Immunol. 167 (1): 1-5. PMID 11418623.
External links
Proteins: clusters of differentiation (see also list of human clusters of differentiation) | |
|---|---|
| 1-50 | CD1 (CD1a-c, CD1d) - CD2 - CD3 - CD4 - CD5 - CD8 - CD9 - CD10 - CD11 (CD11a, CD11b, CD11c) - CD13 - CD14 - CD15 - CD16 - CD18 - CD19 - CD20 - CD21 - CD22 - CD23 - CD24 - CD25 - CD26 - CD27 - CD28 - CD29 - CD30 - CD31 - CD32 - CD33 - CD34 - CD35 - CD36 - CD37 -CD38 - CD40 - CD43 - CD44 - CD45 - CD46 - CD49 (CD49a, CD49b, CD49c, CD49d) |
| 51-100 | CD52 - CD53 - CD54 - CD55 - CD56 - CD58 - CD59 - CD61 - CD62 (CD62E, CD62L, CD62P) - CD63 - CD64 - CD66e - CD68 - CD70 - CD71 - CD72 - CD79 - CD80 - CD81 - CD82 - CD83 - CD86 - CD88 - CD89 - CD90 - CD94 - CD95 - CD97 - CD98 |
| 101-350 | CD103 - CD106 - CD114 - CD116 - CD117 - CD118 - CD120 - CD122 - CD130 - CD131 - CD132 - CD133 - CD134 - CD135 - CD137 - CD138 - CD141 - CD142 - CD143 - CD146 - CD147 - CD151 - CD152 - CD153 - CD154 - CD155 - CD162 - CD164 - CD169 - CD184 - CD206 - CD209 - CD257 - CD278 - CD281 - CD282 - CD283 - CD304 |
Transmembrane receptors: immune receptors | |
|---|---|
| Cytokine receptor | Type I: interleukin (IL-2, IL-3) - CSF (Erythropoietin, GM-CSF, G-CSF) - Glycoprotein 130/Oncostatin M - Leukemia inhibitory factor - common subunits (Common gamma chain, CSF2RB) Type II: interleukin (IL22RA2) - interferon (IFNAR, IFNGR) |
| Pattern recognition/Toll-like | TLR 1 - TLR 2 - TLR 3 - TLR 4 - TLR 5 - TLR 6 - TLR 7 - TLR 8 - TLR 9 - TLR 10 |
| Fc receptor | ε (FcεRI, FcεRII) - γ (FcγRI, FcγRII, FcγRIII) - α/μ (FcαRI, Fcα/μR) - Neonatal |
| Lymphocyte homing receptor | CD44 - L-selectin - VLA-4 - LFA-1 |
| other | Antigen receptor (B-cell, T cell) - Complement - Formyl peptide - Immunophilins - Integrin - Killer-cell immunoglobulin-like - Scavenger |
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