THE phycobilisomes in blue-green algae and red algae are the functional units which absorb and transfer light energy. These supramolecular aggregates are attached on the outer surface of the thylakoid or photosyntheti...THE phycobilisomes in blue-green algae and red algae are the functional units which absorb and transfer light energy. These supramolecular aggregates are attached on the outer surface of the thylakoid or photosynthetic membrane. Phycobilisomes absorb light in the range of 450—650 nm with an overall quantum efficiency of almost 100%, Electron microscopic studies showed that phycobilisomes consist of two distinct structure parts: the core and the rods.展开更多
STAPHYLOCOCCAL nuclease(SNase A,EC 3.1.4.7),which hydrolyzes the phosphodiesterbond of DNA and RNA,and releases 3’-phosphate mononucleotides and dinucleotides,con-sists of 149 amino acid residues(MW=16 807)without su...STAPHYLOCOCCAL nuclease(SNase A,EC 3.1.4.7),which hydrolyzes the phosphodiesterbond of DNA and RNA,and releases 3’-phosphate mononucleotides and dinucleotides,con-sists of 149 amino acid residues(MW=16 807)without sulfhydryl and disulfide groups.SNase A was originally derived from Staphylococcus aureus.Later the gene of the enzyme wascloned and inserted into several expression systems.Its crystal structure was detected展开更多
文摘THE phycobilisomes in blue-green algae and red algae are the functional units which absorb and transfer light energy. These supramolecular aggregates are attached on the outer surface of the thylakoid or photosynthetic membrane. Phycobilisomes absorb light in the range of 450—650 nm with an overall quantum efficiency of almost 100%, Electron microscopic studies showed that phycobilisomes consist of two distinct structure parts: the core and the rods.
文摘STAPHYLOCOCCAL nuclease(SNase A,EC 3.1.4.7),which hydrolyzes the phosphodiesterbond of DNA and RNA,and releases 3’-phosphate mononucleotides and dinucleotides,con-sists of 149 amino acid residues(MW=16 807)without sulfhydryl and disulfide groups.SNase A was originally derived from Staphylococcus aureus.Later the gene of the enzyme wascloned and inserted into several expression systems.Its crystal structure was detected
