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  • metabolism
  • In addition, this bacterium can combine oxygen-sensitive and oxygen-requiring enzyme reaction processes for metabolism and thus, it can thrive under varying and even very little levels of oxygen. (wikipedia.org)
  • membrane-bound
  • Dr. Ralf Langen's group showed that SDSL with EPR (University of Southern California, Los Angeles) can be used to understand the structure of amyloid fibrils and the structure of membrane bound Parkinson's disease protein alpha-synuclein. (wikipedia.org)
  • Nitrogen
  • Hyperfine and nuclear quadrupole tensors of nitrogen donors in the Q(A) site of bacterial reaction centers: correlation of the histidine N(δ) tensors with hydrogen bond strength. (nih.gov)
  • An analysis of the available data on nuclear quadrupole tensors for imidazole nitrogens found in semiquinone-binding proteins and copper complexes reveals these systems share similar electron occupancies of the protonated nitrogen orbitals. (nih.gov)
  • The genome of CGA009 also reveals the existence of proteins involved in nitrogen fixation (see diazotroph). (wikipedia.org)
  • Amino Acids
  • Amino Acids, Peptides and Proteins (D12): 246 new descriptors were added. (nih.gov)
  • The D1 and D2 proteins only show approximately 15% sequence homology with the L and M subunits, however the conserved amino acids correspond to the binding sites of the photochemically active cofactors. (wikipedia.org)
  • The theory of SDSL is based on the specific reaction of spin labels with amino acids. (wikipedia.org)
  • chloroplast
  • The catalytic role of subunit IV of the cytochrome b6-f complex from spinach chloroplast. (naver.com)
  • Photosynthetic development in any plant requires the intracellular co-ordination of chloroplast and nuclear gene expression programs. (ox.ac.uk)
  • Chloroplast thylakoids are disrupted in the mutant and both membrane-associated and soluble chloroplast-encoded proteins accumulate at much reduced levels. (ox.ac.uk)
  • genome
  • As protein expression is shunted from the host genome to the viral genome, the photosystem degrades relatively rapidly (due in part to the interaction with light, which is highly corrosive), cutting off the supply of nutrients to the replicating virus. (wikipedia.org)
  • oxygen
  • The famous tropical forests (African and South American jungles) as well as the World's ocean do not play an important role in this process due to the presence of vast numbers of heterotrophic bacteria that absorb that very oxygen that is produced by photosynthetic organ- isms. (slideshare.net)
  • In oxygen evolving reaction centers, more than half of the cyt b559 is in the HP form. (wikipedia.org)
  • Enzymes
  • Proteins and Enzymes: A total of 65 new enzyme classes have been added to the category of Enzymes. (nih.gov)
  • Several new major enzyme categories include: DNA Repair Enzymes, Metalloexopeptidases, Oxidoreductases Acting on CH-CH Group Donors, Proprotein Convertases, and Ubiquitin-Protein Ligase Complexes. (nih.gov)
  • The complex also contains 2 regulatory enzymes, a kinase and a phosphorylase . (wikipedia.org)