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Autor:
Kayono Yamamoto, Tadashi Teshima, Tetsuo Shiba, Yumiko Motoyama, Kazuyoshi Chiba, Miki Sakaue
Publikováno v:
Biochemical and Biophysical Research Communications. 350:878-883
If not fertilized, synchronous apoptosis is induced in starfish eggs at approximately 11h after stimulation with the hormone, 1-methyladenine. In this study, a membrane-impermeant substrate of caspase-3, acetyl-Asp-Glu-Val-Asp-coumarylamido-4-methane
Publikováno v:
Tetrahedron Letters. 41:6809-6813
The syntheses of novel rigid dendritic ligands and their ruthenium complexes, in which 1,3,5-phenylene-based hydrocarbon dendron units were directly connected to a phenanthroline ligand at the 3 and 8 positions, are described. Preliminary absorption
Autor:
Kaoru Inami, Junji Emura, Yoshihisa Ueno, Kumiko Yoshizawa-Kumagaye, Kiichiro Nakajima, Hitoshi Sakakibara, Katsura Izui, Tetsuo Shiba, Tatsuo Sugiyama, Eiji Imanari
Publikováno v:
The Plant Journal. 21:17-26
The phosphoenolpyruvate carboxylase (PEPC) isozyme involved in C4 photosynthesis is known to undergo reversible regulatory phosphorylation under illuminated conditions, thereby decreasing the enzyme's sensitivity to its feedback inhibitor, L-malate.
Publikováno v:
The Journal of Antibiotics. 51:359-367
The syntheses of aureobasidin A (AbA) derivatives with alkyl chains and their in vitro structure-biological activity relationships are discussed. The analogs replaced at positions 6, 7, or 8 of AbA with either L-glutamic acid, delta-hydroxy-L-norvali
Autor:
Katsushige Ikai, Tetsuya Inoue, Toru Kurome, Ikunoshin Kato, Kazutoh Takesako, Tetsuo Shiba, Kaoru Inami
Publikováno v:
Tetrahedron. 52:4327-4346
The first total synthesis of antifungal cyclic depsipeptide aureobasidin A is described. The synthesis was achieved mainly using bromotris(pyrrolidino)phosphonium hexafluorophosphate (PyBroP) as a coupling reagent. Peptide cyclization was carried out
Autor:
Tetsuo Shiba, Kaoru Inami
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 6:601-604
A monooleoyl glycerophospho heptapeptide was synthesized as a candidate of the endogenous pathogen of essential hypertension. Synthesis of the target compound was achieved by the fragment condensation of the phosphorylated tetrapeptide with a His-con
Publikováno v:
Bulletin of the Chemical Society of Japan. 68:942-949
A chemical synthesis was performed of an octapeptide with a phosphonic ester linkage, which corresponds to a variation of the partial sequence of a gene product of erb B-2. The phosphonic ester linkage was successfully prepared through a coupling rea
Publikováno v:
Tetrahedron Letters. 35:2701-2704
A main component of ganglioside M5 from egg of the sea urchin, Anthocidaris crassispina, Neu5Gcα2 → 6Glcβ1 → 1Cer (1), which has N-glycolyl group in neuraminic acid part, as well as phytosphingosine and saturated nonhydroxy fatty acid in cerami
Autor:
Tetsuo Shiba, Hitoshi Tada, Takeshi Miura, Hiroshi Sugimoto, Tadashi Kimura, Akira Takemoto, Toshiro Isu
Publikováno v:
Journal of The Electrochemical Society. 140:3615-3620
A reactive ion etching (RIE) technique using a C 2 H 6 , H 2 , and O 2 mixture was applied to the fabrication of InGaAsP/InP P-substrate partially inverted buried heterostructure laser diodes, which have been commercially produced for their superior