Interleukin-1 Receptor Type 1

**Semantic type:** Amino Acid, Peptide, or Protein|Receptor

**Definition:** Interleukin-1 receptor type 1 (569 aa, ~65 kDa) is encoded by the human IL1R1 gene. This protein is involved in interleukin-1 binding and the positive regulation of signal transduction.

**Synonyms:** - CD121 Antigen-Like Family Member A - CD121a - CD121a Antigen - IL-1R-1 - IL-1R-Alpha - IL-1RT-1 - IL-1RT1 - Interleukin-1 Receptor Alpha - Interleukin-1 Receptor Alpha Type-I - Interleukin-1 Receptor Type I - p80