Which one of the following statements is INCORRECT regarding plant phytochrome (PHY), cyanobacterial phytochrome1 (Cph1) and bacterial phytochrome like protein (BphP)?
1
PHY has two PRD domains in the C-terminal moiety.
2
Cph1 and BphP has histidine kinase domains at the N-terminal moiety.
3
GAF domain is present in N-terminal moiety of PHY, Cph1 and BphP.
4
he cysteine residue that forms the linkage is located in the GAF domain in canonical phytochromes such as PHY and Cph1.