Data Supplement

• Supplemental Figures -

  Fig. S1. Trace without correction for photobleaching corresponding to the trace shown in Figure 1B.
  

  Fig. S2. Chemical structures of the tested polyunsaturated fatty acid (PUFAs).
  

  Fig. S3. BRET measurement of HEK293T cells transfected with DP2 receptor and GαO-activity sensor.
  

  Fig. S4. Depicted is a phylogenetic tree of class A lipid.
  

• Supplemental Table -

  Table S1. Preparation of stock solutions and formal names of utilized compounds.