(a) Chromophores in PC645 light-harvesting protein found in cryptophyte algae. (b) Energy landscape of a subunit of PC645 consisting of the four highest energy molecules: two DBV, MBVa and MBVb. (c,d) Time evolution of populations and coherences in the electronic eigenbasis after excitation of the delocalized DBV− exciton state, using the HEOM method. (e,f) As in c,d, using the full-Redfield equation to simulate dynamics.