نتایج جستجو برای: l lysine
تعداد نتایج: 641296 فیلتر نتایج به سال:
31P-NMR shows that poly(L-lysine) binding to cardiolipin, phosphatidylserine or phosphatidylglycerol does not affect the macroscopic structure or local order (in the phosphate region) of the phospholipids. In the case of cardiolipin poly(L-lysine) inhibits the ability of Ca2+ to induce the hexagonal HII phase. Alternatively, poly(L-lysine) induces the hexagonal HII phase for a fraction of the p...
The uptake of the basic amino acids arginine, ornithine, and lysine was studied in membrane vesicles derived from cells of Lactococcus lactis which were fused with liposomes in which beef heart mitochondrial cytochrome c oxidase was incorporated as a proton motive force (PMF)-generating system. In the presence of ascorbate N,N,N'N'-tetramethylphenylenediamine-cytochrome c as the electron donor,...
Hydroxylysine kinase (guanosine triphosphate:5hydroxyL-lysine 0-phosphotransferase; EC 2.7.1.-) has been purified 1200-fold from rat liver and its properties partially elucidated. The enzyme catalyzes the phosphorylation of allohydroxy-L-lysine and hydroxy-L-lysine with an apparent K, N 6 PM, but has no activity with either of the D isomers. The maximum velocity with allohydroxy-L-lysine was 1....
Lysine biosynthesis in plants occurs via the diaminopimelate pathway. The first committed and rate-limiting step of this pathway is catalysed by dihydrodipicolinate synthase (DHDPS), which allosterically regulated end product, l-lysine (lysine). Given that lysine a common nutritionally limiting amino acid cereal crops, there has been much interest probing regulation DHDPS. Interestingly, knocko...
Some preliminary proposals as to the mode of amine substrate attachment to acyl intermediates of guinea pig liver transglutaminase and human blood coagulation factor XIIIa were formulated from substrate and inhibitor studies (Gross, M., Whetzel, N. K., and Folk, J. E. (1977) J. Biol. Chem. 252, 3752-3759). The present data supply more concrete explanations for the stereopreference toward peptid...
Studies of the nutrition of certain lysine requiring mold mutants indicate that L-a-aminoadipic acid (AAA) or a-ketoadipic acid (KAA) are precursors of lysine. For example, Mitchell and Houlahan (1948) found that certain lysine requiring mutants of Neurospora crassa would respond to either lysine or AAA, and Windsor (1951) subsequently demonstrated that f-C'4-a-aminoadipic acid was completely i...
Studies of the nutrition of certain lysine requiring mold mutants indicate that L-a-aminoadipic acid (AAA) or a-ketoadipic acid (KAA) are precursors of lysine. For example, Mitchell and Houlahan (1948) found that certain lysine requiring mutants of Neurospora crassa would respond to either lysine or AAA, and Windsor (1951) subsequently demonstrated that f-C'4-a-aminoadipic acid was completely i...
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