Models Describing the phyB Signaling Mechanism.
(A) and (B) The basic model for the photoconversion of phyB (A), which was extended to a compartmental model (B).
(C) The model was later extended to include the formation and degradation of nuclear bodies. Red and far-red-light–dependent reactions are indicated by a red star and an orange star, respectively. Thick black arrows represent dark reversion.