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Photosystem I Protein ComplexPlastocyaninPyruvate SynthasePhotosynthetic Reaction Center Complex ProteinsChlorophyllLight-Harvesting Protein ComplexesPhotosystem II Protein ComplexFerredoxinsCyanobacteriaVitamin K 1LightChloroplastsCytochromes fPhotosynthesisElectron TransportPlant ProteinsKetone OxidoreductasesChlamydomonas reinhardtiiPlantsTungstenOxidation-ReductionFerredoxin-NADP ReductaseThylakoidsSpinacia oleraceaBiliverdineBile PigmentsPhycobilinsElectron Spin Resonance SpectroscopyCytochromes c6SynechocystisSpectrophotometryTritrichomonasIron-Sulfur ProteinsOxidoreductasesMolecular Sequence DataAmino Acid SequenceElectronsAldehyde OxidoreductasesKineticsPhycocyaninViologensPlastoquinoneChlorophyll Binding ProteinsArchaeaCytochrome b6f ComplexCytochromesSulfolobusPyruvic AcidProchlorothrixCoenzyme ADiuronTetrapyrrolesEthyldimethylaminopropyl CarbodiimideThiamine PyrophosphateTrichomonas vaginalisNostocPyrococcus furiosusHydrogenaseSpectrum AnalysisFlavodoxinMethanosarcina barkeriBacterial ProteinsAnaerobiosisSequence Homology, Amino AcidHydrogenChlorophytaAnabaenaEnergy TransferClostridiumNAD(P)H Dehydrogenase (Quinone)Giardia lambliaPhycobilisomesElectrophoresis, Polyacrylamide GelPhotophosphorylationModels, MolecularNADPOxygenQuinone ReductasesDarknessChlamydomonasSpectrometry, FluorescenceCatalysisPigments, BiologicalDibromothymoquinonePhotochemistryCopperArchaeal ProteinsArabidopsisNADH, NADPH OxidoreductasesProtein ConformationHordeumEscherichia coliFluorescencePlant LeavesMutationCarbon DioxideStatic ElectricityPeasMutagenesis, Site-DirectedSubstrate Specificity

SubunitCyanobacteriaElectronsIron-sulfur reactionProteinPhotosynthetic reactionsWavelength of 700 nmCentersChlorophyll

Subunit1

• Title of the Ph.D. dissertation: "PsaC subunit of photosystem I: electronic structure of iron-sulfur clusters and NMR solution structure. (bayfor.org)

Cyanobacteria1

• Photosystem I (PSI, or plastocyanin-ferredoxin oxidoreductase) is one of two photosystems in the photosynthetic light reactions of algae, plants, and cyanobacteria. (wikipedia.org)

Electrons2

• Photosystem I is an integral membrane protein complex that uses light energy to catalyze the transfer of electrons across the thylakoid membrane from plastocyanin to ferredoxin. (wikipedia.org)
• Ultimately, the electrons that are transferred by Photosystem I are used to produce the moderate-energy hydrogen carrier NADPH. (wikipedia.org)

Iron-sulfur reaction2

• Three proteinaceous iron-sulfur reaction centers are found in PSI. (wikipedia.org)
• A photosystem that contains an iron-sulfur reaction center associated with accessory pigments and electron carriers. (e-cyanobacterium.org)

Protein2

• Ferredoxin (Fd) is a soluble protein that facilitates reduction of NADP+ to NADPH. (wikipedia.org)
• A laser ablation ICP-MS based method for multiplexed immunoblot analysis: applications to manganese-dependent protein dynamics of photosystem II in barley ( Hordeum vulgare L. (ku.dk)

Photosynthetic reactions2

• Louis Duysens first proposed the concepts of Photosystems I and II in 1960, and, in the same year, a proposal by Fay Bendall and Robert Hill assembled earlier discoveries into a coherent theory of serial photosynthetic reactions. (wikipedia.org)
• A membrane enriched in complexes formed of reaction centers, accessory pigments and electron carriers, in which photosynthetic reactions take place. (e-cyanobacterium.org)

Wavelength of 700 nm2

• The P700 reaction center is composed of modified chlorophyll a that best absorbs light at a wavelength of 700 nm. (wikipedia.org)
• The reaction center chlorophyll (or the primary electron donor) of photosystem I that is most reactive and best in absorbing light at wavelength of 700 nm. (e-cyanobacterium.org)

Centers1

• Located within the antenna complex of PSI are molecules of chlorophyll called P700 reaction centers. (wikipedia.org)

Chlorophyll1

• The reaction center is made of two chlorophyll molecules and is therefore referred to as a dimer. (wikipedia.org)