Cysteinyl Leukotriene Receptor 1

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

**Definition:** Cysteinyl leukotriene receptor 1 (337 aa, ~39 kDa) is encoded by the human CYSLTR1 gene. This protein plays a role in leukotriene binding and downstream signaling that regulates eosinophil migration and the proliferation and contraction of bronchial smooth muscle cells.

**Synonyms:** - CysLT(1) - CysLTR1 - Cysteinyl Leukotriene D4 Receptor - G-Protein Coupled Receptor HG55 - HMTMF81 - LTD4 Receptor