Zobrazeno 91 - 100
of 125
pro vyhledávání: '"35"'
Publikováno v:
Journal of the American Chemical Society. 128(45)
Reaction of trans-[Ru(VI)(L)(O)(2)](2+) (1, L = 1,12-dimethyl-3,4:9,10-dibenzo-1,12-diaza-5,8-dioxacyclopentadecane, a tetradentate macrocyclic ligand with N(2)O(2) donor atoms) with nitrite in aqueous solution or in H(2)O/CH(3)CN produces the corres
Publikováno v:
Journal of the American Chemical Society. 128(24)
Simulations of hydride and deuteride transfer catalyzed by dihydrofolate reductase from the hyperthermophile Thermotoga maritima (TmDHFR) are presented. TmDHFR was modeled with its active homodimeric quaternary structure, where each monomer has three
Autor:
JoAnne Stubbe, Peter P. Borbat, Marina Bennati, Veronica Mugnaini, Jack H. Freed, John H. Robblee
Publikováno v:
Journal of the American Chemical Society. 127(43)
The class I E. coli ribonucleotide reductase, composed of homodimers of R1 and R2, catalyzes the conversion of nucleoside diphosphates to deoxynucleoside diphosphates. The reduction process involves the tyrosyl radical on R2 that generates a transien
Publikováno v:
Journal of the American Chemical Society. 127(23)
FosA is a manganese metalloglutathione transferase that confers resistance to the broad-spectrum antibiotic fosfomycin, which contains a phosphonate group. The active site of this enzyme consists of a high-spin Mn(2+) ion coordinated by endogenous li
Publikováno v:
Journal of the American Chemical Society. 127(19)
Ethylene is a plant hormone involved in all stages of growth and development, including regulation of germination, responses to environmental stress, and fruit ripening. The final step in ethylene biosynthesis, oxidation of 1-aminocyclopropane-1-carb
Autor:
Mu-Hyun Baik, Xiaofan Yang
Publikováno v:
Journal of the American Chemical Society. 126(41)
High-level DFT calculations indicate that the singlet ground state of the water-oxidizing blue Ru dimer [(bpy)2(OH2)RuIIIORuIII(OH2)(bpy)2]4+ is not due to a strong coupling of the excess electrons from each of the low-spin d5 RuIII centers across th
Publikováno v:
Journal of the American Chemical Society. 126(39)
A variety of spectroscopic and computational techniques have been used to examine the thermochromic transition previously reported for the oxidized state of Mn-dependent superoxide dismutase from E. coli in the presence of substrate analog azide (N(3
Publikováno v:
Journal of the American Chemical Society. 125(47)
Conformational changes occurring on the microsecond-millisecond time scale in basic pancreatic trypsin inhibitor (BPTI) are investigated using nuclear magnetic resonance spectroscopy. The rczz CPMG experiment (Wang, C.; Grey, M. J.; Palmer, A. G. J.
Publikováno v:
Journal of the American Chemical Society. 125(35)
Escherichia coli class I ribonucleotide reductase catalyzes the conversion of ribonucleotides to deoxyribonucleotides and consists of two subunits: R1 and R2. R1 possesses the active site, while R2 harbors the essential diferric-tyrosyl radical (Y•
Publikováno v:
Journal of the American Chemical Society. 124(47)
Alkylation of N-nitrosourethane tetrabutylammonium salt (2-Bu(4)N) with four electrophiles (MeI, EtI, i-PrI, and PhCH(2)Br) was studied by (1)H NMR in CD(2)Cl(2) and CD(3)CN solutions. The ratio of the three regioisomers N-alkyl-N-nitrosourethane 3,