نتایج جستجو برای: binary complexes
تعداد نتایج: 253956 فیلتر نتایج به سال:
The impact of organic species which are present in the Earth’s atmosphere on the burst of new particles is critically important for the understanding of the molecular nature of atmospheric nucleation phenomena. Amines have recently been proposed as possible stabilizers of binary pre-nucleation clusters. In order to advance the understanding of atmospheric nucleation phenomena, a quantum-chemica...
Haloferax mediterranei glucose dehydrogenase (EC 1.1.1.47) belongs to the medium-chain alcohol dehydrogenase superfamily and requires zinc for catalysis. In the majority of these family members, the catalytic zinc is tetrahedrally coordinated by the side chains of a cysteine, a histidine, a cysteine or glutamate and a water molecule. In H. mediterranei glucose dehydrogenase, sequence analysis i...
Modification of the three carboxyl groups on adrenodoxin using a water-soluble carbodiimide (1-ethyl-3-(3-dimethylaminopropyl)carbodiimide) caused a weakening of the binding of this iron-sulfur protein to both its electron donor protein, adrenodoxin reductase, and its electron acceptor protein, cytochrome P-450scc. Based upon the proximity of the modified groups, the site on adrenodoxin for int...
In order to examine the origins of the large positive cooperativity (ΔG(0)(coop) = -2.9 kcal mol(-1)) of trimethoprim (TMP) binding to a bacterial dihydrofolate reductase (DHFR) in the presence of NADPH, we have determined and compared NMR solution structures of L. casei apo DHFR and its binary and ternary complexes with TMP and NADPH and made complementary thermodynamic measurements. The DHFR ...
The ternary complexes of formulae cis-[(NH(3))(2)Pt(nucl)(amac)]NO(3), where nucl = guo and cyd (guanosine and cytidine) and amac = the deprotonated aminoacids glycine (gly), L-alanine (ala), L-2-aminobutyric acid (2-aba), L-norvaline (nval) and L-norleucine (nleu), were prepared from the reactions of the binary chelated ones cis-[(NH(3))(2)Pt(nucl)(amac)]NO(3) with the nucleosides.They were ch...
Transformation of protein 3D structures from their all-atom representation (AAR) to the double-centroid reduced representation (DCRR) is a prerequisite to the implementation of both the tetrahedral three-dimensional search motif (3D SM) method for predicting specific ligand binding sites (LBS) in proteins, and the 3D interface search motif tetrahedral pair (3D ISMTP) method for predicting binar...
A series of binary metal complexes (halo, hydroxyl and methoxy substituted bis(2-(E)acryloyl)naphthalen-1-yl)oxy)Cu(II) Zn(II) (C1? ?C10)) Cu2+ Zn2+ ions derived from bi-coordinated hydroxylated 1,3- -diaryl-2-propene-1-ones were synthesized. The newly synthesized structurally determined by FT-IR, 1H-NMR, 13C-NMR, ESR spectral, XRD TGA analyses. FT-IR studies demonstrated that interactions betw...
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