Results 211 to 220 of about 42,314 (255)

Isolation of manganese-containing protein complex from photosystem II preparations of spinach

Biochemistry, 1986
Purified 125I-labeled 33-kDa protein binds to calcium-washed photosystem II preparations at high-affinity and low-affinity binding sites. Filling 70% of the high-affinity site with 33-kDa protein induces 63% of the maximum achievable reconstitution of O2-evolving activity.
N R, Bowlby, W D, Frasch
openaire   +2 more sources

Photosystem II activity and pigment-protein complexes in flashed bean leaves

Plant Science Letters, 1973
Abstract Bean leaves exposed to cycles of 2 min light—118 min dark, (1) can photoreduce cytochrome f ; (2) have cytochrome b -559 HP ; (3) have a DCMU (3-[3′,4′-dichlorophenyl]-1,1-dimethylurea)-sensitive Hill reaction. Detergent extracts of the plastids show only pigment-protein complex I.
R.G Hiller, Dori Pilger, Sandra Genge
openaire   +1 more source

Oxygen-Evolving Porous Glass Plates Containing the Photosynthetic Photosystem II Pigment–Protein Complex

Langmuir, 2016
The development of artificial photosynthesis has focused on the efficient coupling of reaction at photoanode and cathode, wherein the production of hydrogen (or energy carriers) is coupled to the electrons derived from water-splitting reactions. The natural photosystem II (PSII) complex splits water efficiently using light energy. The PSII complex is a
Tomoyasu, Noji, Keisuke, Kawakami, Jian-Ren, Shen, Takehisa, Dewa, Mamoru, Nango, Nobuo, Kamiya, Shigeru, Itoh, Tetsuro, Jin   +7 more
openaire   +2 more sources

Photosystem II-Associated Protein Kinase Phosphorylates a Novel 6.3 kDa Protein Which Subsequently Dissociates From Photosystem II Core Complexes

1998
The enzymes responsible for reversible phosphorylation of components of photosynthetic complexes are presumed to be associated with the thylakoid membrane. Evidence supporting the presence of multiple protein kinases in this system is mounting. Phosphorylation appears to be redox-regulated with activity favoured by reducing conditions.
Helen L. Race, Jens Forsberg, Geoffrey Hind, John F. Allen   +3 more
openaire   +1 more source

Polypeptide composition of the purified Photosystem II pigment-protein complex from spinach

Biochimica et Biophysica Acta (BBA) - Bioenergetics, 1979
The Photosystem II pigment-protein complex, the chlorophyll alpha-protein comprising the reaction center of Photosystem II, was prepared from EDTA-treated spinach chloroplasts by digitonin extraction, sucrose-gradient centrifugation, DEAE-cellulose column chromatography, and isoelectrofocussing on Ampholine.
openaire   +2 more sources

Multiple copies of the PsbQ protein in a cyanobacterial photosystem II assembly intermediate complex

Photosynthesis Research, 2015
Photosystem II (PSII) undergoes frequent damage owing to the demanding electron transfer chemistry it performs. To sustain photosynthetic activity, damaged PSII undergoes a complex repair cycle consisting of many transient intermediate complexes. By purifying PSII from the cyanobacterium Synechocystis sp.
Haijun, Liu, Daniel A, Weisz, Himadri B, Pakrasi   +2 more
openaire   +2 more sources

Co-translational Assembly of the D1 Protein into Photosystem II Complexes

1998
Chloroplast-encoded D1 and D2 proteins, the heterodimer reaction centre polypeptides of photosystem II (PS II) bind all the components necessary for the primary charge separation. The D1 protein has an unusually high turnover rate as compared to the other chloroplast proteins (1,2).
Lixin Zhang, Virpi Paakkarinen, Klaas Jan van Wijk, Eva-Mari Aro   +3 more
openaire   +1 more source

A manganese-copper-pigment-protein complex isolated from the photosystem II of Phaeodactylum tricornutum

Archives of Biochemistry and Biophysics, 1977
Abstract The diatom Phaeodactylum tricornutum has been grown in defined medium with known amounts of 54 Mn and Cu. The diatoms were then fractionated by mild procedures to isolate a metallo-pigment-protein complex. This complex had a molecular weight of 850,000 and probably was made up of 40 subunits of protein, 40 mol of chlorophyll a , 20 mol ...
Holdsworth, Eric S., Arshad, Juzu Hayati
openaire   +2 more sources

Distribution of the chlorophyll spectral forms in the chlorophyll-protein complexes of photosystem II antenna

Biochemistry, 1993
The chlorophyll-protein complexes that form the antenna system of photosystem II have been purified and analyzed in terms of the commonly observed chlorophyll spectral forms. With the exception of chlorophyll b, which is known to be associated with the complexes comprising the outer antenna (LHCII, CP24, CP26, CP29), the spectral forms occur with ...
JENNINGS RC, BASSI R, GARLASCHI FM, DAINESE P, ZUCCHELLI G   +4 more
openaire   +3 more sources

Capillary electrophoresis of closely related intrinsic thylakoid membrane proteins of the photosystem II light‐harvesting complex (LHC II)

ELECTROPHORESIS, 1996
AbstractThe electrophoretic migration behavior of three closely related hydrophobic intrinsic membrane proteins of the photosystem II light‐harvesting complex (LHC II) was investigated in free solution capillary electrophoresis at pH 8.0–10 with running electrolyte solutions containing either anionic, zwitterionic or nonionic detergents.
Zolla L, Bianchetti M, Timperio AM, Mugnozza GS, Corradini D   +4 more
openaire   +3 more sources