Tir Direct

Specialized protein domains (Toll/Interleukin-1 Receptor) that play critical roles in the immune systems of humans, plants, and bacteria.

If you were looking for information on reading the , those markings provide specific data: Consolidated text of the TIR Convention

"TIR" usually refers to several different concepts depending on the context, from optics and transportation to health and biology. Common Definitions of TIR