So this is our diagram of the thin filament. So if we zoom in on these horizontal black regions, we basically get the following diagram. We have these individual spherical actin monomers that basically join together to form our polymers. And two long polymer chains basically intertwine to form our helical fashion our helical structure. And on top of that, we also have this long blue fiber known as our troponin. And we have this green region known as our tropomycin.