2024
Mutation-induced shift of the photosystem II active site reveals insight into conserved water channels
Flesher D, Liu J, Wang J, Gisriel C, Yang K, Batista V, Debus R, Brudvig G. Mutation-induced shift of the photosystem II active site reveals insight into conserved water channels. Journal Of Biological Chemistry 2024, 300: 107475. PMID: 38879008, PMCID: PMC11294709, DOI: 10.1016/j.jbc.2024.107475.Peer-Reviewed Original ResearchOxygen-evolving complexPhotosystem II active sitePhotosystem IIJahn-Teller distortionPhotosystem II complexD1-Asp170Jahn-TellerResolution cryo-EM structureMutation-induced structural changesCryo-EM structureMagnetic propertiesD1 subunitActive siteOxygenic photosynthesisMutagenesis studiesLight-driven water oxidationSpectroscopic propertiesStructural basisSpectroscopic dataAmino acidsWater oxidation mechanismPhotosystemMutationsMutation-induced shiftWater oxidation
2021
Structure of a monomeric photosystem II core complex from a cyanobacterium acclimated to far-red light reveals the functions of chlorophylls d and f
Gisriel CJ, Shen G, Ho MY, Kurashov V, Flesher DA, Wang J, Armstrong WH, Golbeck JH, Gunner MR, Vinyard DJ, Debus RJ, Brudvig GW, Bryant DA. Structure of a monomeric photosystem II core complex from a cyanobacterium acclimated to far-red light reveals the functions of chlorophylls d and f. Journal Of Biological Chemistry 2021, 298: 101424. PMID: 34801554, PMCID: PMC8689208, DOI: 10.1016/j.jbc.2021.101424.Peer-Reviewed Original ResearchConceptsChl f moleculesWater oxidationF moleculesPhotosystem II core complexII core complexesPhotosystem IIÅ resolution cryo-EM structureFar-red light photoacclimationResolution cryo-EM structurePhotochemical catalysisElectron transfer chainCryo-EM structureGlutamate side chainVisible lightCore complexSide chainsRed limitD moleculesSolar energy utilizationAcceptor sidePSII biogenesisFar-red lightPCC 7335Core subunitsMolecules