In the reduced form of plastocyanin, His-87 will become protonated with a pKa of 4.4. Protonation prevents it acting as a ... Plastocyanin is one of the family of blue copper proteins that are involved in electron transfer reactions. The copper-binding ... "X-Ray Crystal-Structure Analysis of Plastocyanin at 2.7 Å Resolution". Nature. 272 (5651): 319-324. doi:10.1038/272319a0.. ...
Plastocyanin". Journal of Molecular Biology. 226 (3): 819-35. doi:10.1016/0022-2836(92)90634-V. PMID 1507228. Fersht AR ( ...
The electron transport protein plastocyanin is present in the lumen and shuttles electrons from the cytochrome b6f protein ... These carriers are plastoquinone and plastocyanin. Plastoquinone shuttles electrons from photosystem II to the cytochrome b6f ... plastocyanin moves through the thylakoid lumen. The lumen of the thylakoids is also the site of water oxidation by the oxygen ... it is situated between the two photosystems and transfers electrons from photosystem II-plastoquinone to plastocyanin- ...
... and plastocyanin (Pc): Cytochrome b6f catalyzes the transfer of electrons from plastoquinol to plastocyanin, while pumping two ... The cytochrome b6f complex (plastoquinol-plastocyanin reductase; EC 1.10.99.1) is an enzyme found in the thylakoid membrane in ... The electron from ferredoxin (Fd) is transferred to plastoquinone and then the cytochrome b6f complex to reduce plastocyanin, ... that catalyzes the transfer of electrons from plastoquinol to plastocyanin. The reaction is analogous to the reaction catalyzed ...
They are then returned (via plastocyanin) to P700. NADPH and ATP are used to synthesize organic molecules from CO 2. The ratio ... PS II and PS I are connected by a transmembrane proton pump, cytochrome b6f complex (plastoquinol-plastocyanin reductase; EC ... Cytochrome b6f proceeds the electron chain to PSI through plastocyanin molecules. PSI is able to continue the electron transfer ... PS I accepts electrons from plastocyanin and transfers them either to NADPH (noncyclic electron transport) or back to ...
... + recovers its lost electron by oxidizing plastocyanin, which regenerates P700. In most cases, the electrons transferring ... 2006). Photosystem I: The Light-Driven Plastocyanin:Ferredoxin Oxidoreductase. Advances in Photosynthesis and Respiration. 24. ... 2006). Photosystem I: The Light-Driven Plastocyanin:Ferredoxin Oxidoreductase. Advances in Photosynthesis and Respiration. 24. ... 2006). Photosystem I: The Light-Driven Plastocyanin:Ferredoxin Oxidoreductase. Advances in Photosynthesis and Respiration. 24. ...
... and particularly the electron transport protein plastocyanin. The intensely blue colour of plastocyanin and its unusual redox ... It was not until 1977 that his group finally determined the structure of plastocyanin crystallised from the poplar tree (see ... Working as a crystallographer, Freeman's major legacies are the understanding of plastocyanin and other blue copper proteins, ... particularly plastocyanin. He also introduced protein crystallography to Australia and was a strong advocate for programs to ...
In an effort to understand copper sensing, she studied mutants that did not produce plastocyanin. She discovered that the ... crystal structure of plastocyanin from the green alga Chlamydomonas reinhardtii". Biochemistry. 32 (40): 10560-10567. doi: ... Merchant was the first to demonstrate that the RNA for Chlamydomonas reinhardtii plastocyanin is produced when copper is ... She used pulse-chase analysis to show that whilst plastocyanin is continuously translated, it becomes degraded in systems ...
"X-ray crystal structure analysis of plastocyanin at 2.7 Å resolution". Nature. 272 (5651): 319. Bibcode:1978Natur.272..319C. ...
Plastocyanin is an electron carrier that transfers the electron from cytochrome b6f to the P700 cofactor of PSI. The Ycf4 ... Photosystem I (PSI, or plastocyanin-ferredoxin oxidoreductase) is one of two photosystems in the photosynthetic light reactions ... doi:10.1016/S0302-4598(98)00175-5. Hope AB (January 2000). "Electron transfers amongst cytochrome f, plastocyanin and ... protein complex that uses light energy to catalyze the transfer of electrons across the thylakoid membrane from plastocyanin to ...
... is the largest subunit of cytochrome b6f complex (plastoquinol-plastocyanin reductase; EC 1.10.99.1). In its ...
An example of an entatic state is the copper center in plastocyanin, a redox enzyme. In this protein, the copper shuttles ...
Plastocyanin family of copper-binding proteins De Rienzo F, Gabdoulline RR, Menziani MC, Wade RC (August 2000). "Blue copper ...
The plastocyanin complex carries the electron that will neutralize the pair in the next reaction center, photosystem I. As with ... After the electron has left photosystem II it is transferred to a cytochrome b6f complex and then to plastocyanin, a blue ... The positive charge left on the P700 is neutralized by the transfer of an electron from plastocyanin. Thus the overall reaction ...
In the second reaction, a second PQH2 gets oxidized, adding an electron to another plastocyanin and PQ. Both reactions together ... PQH2 travels to the cytochrome b6f complex which then transfers two electrons from PQH2 to plastocyanin in two separate ... is transferred to the iron-sulfur center which then transfers it to cytochrome f which then transfers it to plastocyanin. The ...
The cytochrome b6f complex (EC 1.10.99.1) (also called plastoquinol-plastocyanin reductase) is an enzyme related to Complex III ... This proton pump is driven by electron transport and catalyzes the transfer of electrons from plastoquinol to plastocyanin. The ...
The structure is very similar to plastocyanin and azurin as they also identify as Type 1 copper proteins. They are also similar ... In class I T1Cu proteins (e.g. amicyanin, plastocyanin and pseudoazurin) the axial ligand is the sulfur of methionine, whereas ... Polarized signal-crystal absorption data on plasto-cyanin showed that both bands have the same polarization ratio that ... The Cysteine84 thiolate of plastocyanin accepts a hydrogen bond from a amide backbone, Asparagine38, and Histidine37 interacts ...
A central link in this chain is plastocyanin, a blue copper protein. ...
Plastocyanin, and Laccase. Penner-Hahn's research involves biophysical chemistry and inorganic spectroscopy including EXAFS and ...
The electrons then pass through the Cyt b6 and Cyt f. Then they are passed to plastocyanin, providing the energy for hydrogen ... and then to plastocyanin before returning to Photosystem-1. This transport chain produces a proton-motive force, pumping H+ ...
The free plastoquinone molecules eventually transfer electrons to the water-soluble plastocyanin so as to continue the light- ... The cytochrome b6f protein complex catalyzes the electron transfer between plastoquinone and plastocyanin, but also transports ... It transfers the electrons further down the electron transport chain to plastocyanin, a mobile, water-soluble electron carrier ...
Plastoquinone-plastocyanin reductase (b6f complex), present in cyanobacteria and the chloroplasts of plants, catalyses the ...
The electron transport protein plastocyanin is present in the lumen and shuttles electrons from the cytochrome b6f protein ... These carriers are plastoquinone and plastocyanin. Plastoquinone shuttles electrons from photosystem II to the cytochrome b6f ... it is situated between the two photosystems and transfers electrons from photosystem II-plastoquinone to plastocyanin- ... complex, whereas plastocyanin carries electrons from the cytochrome b6f complex to photosystem I. ...
... which also share homology with the cupredoxins azurin and plastocyanin. Structurally, these domains consist of a cupredoxin- ...
S reduziert Plastocyanin, wu vum Cyt-b6f-Kompläx freigsetzt wird, chunnt schließlig an dr Photosyschtemkompläx I (PS I). Im PS ... Hope (2000): Electron transfers amongst cytochrome f, plastocyanin and photosystem I: kinetics and mechanisms. In: Biochim ... Plastocyanin isch e wasserlesli chupferhaltig Protein, wu s Chupferatom vun em zwische dr Oxidazionsstapfle CuI un CuII ... Doderby entstoht e positiv Chlorophyllradikal (Chl-a•+), wu ne Elektron us em aadockte Plastocyanin ufnimmt un doderdur zue Chl ...
The excited electrons lost from the reaction center (P700) of photosystem I are replaced by transfer from plastocyanin, whose ...
... a component of the plastoquinone-plastocyanin reductase (EC 1.10.99.1), also known as the b6f complex. These complexes are ...
These include copper-containing enzymes such as azurin, plastocyanin and laccase, as well as non-heme iron enzymes such as (4- ...
... americana pokeweed antiviral protein White mustard Sinapsis alba myrosinase Parsley Petroselinum crispum plastocyanin (electron ...
... plastoquinol-plastocyanin reductase MeSH D08.811.600.710.500 - photosystem i protein complex MeSH D08.811.600.710.750 - ...