Zobrazeno 71 - 80
of 86
pro vyhledávání: '"35"'
Publikováno v:
Journal of the American Chemical Society
Journal of the American Chemical Society, American Chemical Society, 2006, 128 (35), pp.11551-11562. ⟨10.1021/ja0631605⟩
Journal of the American Chemical Society, American Chemical Society, 2006, 128 (35), pp.11551-11562. ⟨10.1021/ja0631605⟩
International audience; Poly(ethylene oxide) (PEO) and poly(acrylic acid) (PAA), two polymers known to form pH-sensitive aggregates through noncovalent interactions, were assembled in purposely designed architecture sa dendrimer-like PEO scaffold car
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
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
Autor:
Juewen Liu, Yi Lu
Publikováno v:
Journal of the American Chemical Society. 126(39)
The combination of high metal selectivity of DNAzymes with the strong distance-dependent optical properties of metallic nanoparticles has presented considerable opportunities for designing colorimetric sensors for metal ions. We previously communicat
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,
Autor:
William E. Broderick, Brian M. Hoffman, Joan B. Broderick, Charles J. Walsby, Jennifer Cheek, Danilo Ortillo, Wei Hong
Publikováno v:
Journal of the American Chemical Society. 124(12)
Pyruvate formate-lyase activating enzyme (PFL-AE) is a representative member of an emerging family of enzymes that utilize iron-sulfur clusters and S-adenosylmethionine (AdoMet) to initiate radical catalysis. Although these enzymes have diverse funct
Autor:
Allen M. Orville, Jeffrey M. Zaleski, Edward I. Solomon, Mindy I. Davis, Frank Neese, John D. Lipscomb
Publikováno v:
Journal of the American Chemical Society. 124(4)
The geometric and electronic structure of the high-spin ferric active site of protocatechuate 3,4-dioxygenase (3,4-PCD) has been examined by absorption (Abs), circular dichroism (CD), magnetic CD (MCD), and variable-temperature-variable-field (VTVH)