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A structural study of copper(II) carboxylates: Crystal structure and physical characterisation of [Cu2(2-bromopropanoato)4(caffeine)2]

Valach, Fedor ; Melník, Milan ; Bernardinelli, Gérald ; Fromm, Katharina

In: Journal of Chemical Crystallography, 2006, vol. 36, no. 9, p. 571-580

Metzincin's canonical methionine is responsible for the structural integrity of the zinc-binding site

Oberholzer, Anselm E. ; Bumann, Mario ; Hege, Thomas ; Russo, Santina ; Baumann, Ulrich

In: Biological Chemistry, 2009, vol. 390, no. 9, p. 875-881

Engineering yeast alcohol dehydrogenase. Replacing Trp54 by Leu broadens substrate specificity

Weinhold, Elmar G. ; Benner, Steven A.

In: Protein Engineering, Design and Selection, 1995, vol. 8, no. 5, p. 457-461

Regulation and structure of YahD, a copper-inducible α/β serine hydrolase of Lactococcus lactis IL1403

Martinez, Jacobo ; Mancini, Stefano ; Tauberger, Eva ; Weise, Christoph ; Saenger, Wolfram ; Solioz, Marc

In: FEMS Microbiology Letters, 2011, vol. 314, no. 1, p. 57-66

Crystallization and structure solution at 4 Å resolution of the recombinant synthase domain of N(5′-phosphoribosyl)anthranilate isomerase:indole-3-glycerol-phosphate synthase from Escherichia coli complexed to a substrate analogue

Wilmanns, Matthias ; Schlagenhauf, Edith ; Fol, Bruno ; Jansonius, Johan N.

In: Protein Engineering, Design and Selection, 1990, vol. 3, no. 3, p. 173-180

Changing nucleotide specificity of the DEAD-box helicase Hera abrogates communication between the Q-motif and the P-loop

Strohmeier, Julian ; Hertel, Ines ; Diederichsen, Ulf ; Rudolph, Markus G. ; Klostermeier, Dagmar

In: Biological Chemistry, 2011, vol. 392, no. 4, p. 357-369

The first phospho­ramide-mercury(II) complex with a Cl₂Hg-OP[N(C)(C)]₃ segment

Saneei, Anahid ; Pourayoubi, Mehrdad ; Crochet, Aurélien ; Fromm, Katharina M.

In: Acta Crystallographica C, 2016, vol. 72, p. 230-233

Mercury(II) exhibits a strong preference for linear coordination which has been attributed to relativistic effects splitting the 6p orbitals and promoting sp hybridization. If the two ligands attached to the mercury(II) ion are weak donors, the metal ion can act as a good Lewis acid and expand its coordination number. Moreover, mercury has a special affinity for softer bases,...

Crystal structures of trans-di­chlorido­tetra­kis­[1-(2,6-diiso­propyl­phen­yl)-1H-imidazole-ΚN³]iron(II), trans-di­bromido­tetra­kis­[1-(2,6-diiso­propyl­phen­yl)-1H-imidazole-ΚN³]iron(II) and trans-di­bromido­tetra­kis­[1-(2,6-diiso­propyl­phen­yl)-1H-imidazole-ΚN³]iron(II) diethyl ether disolvate

Mafua, Roger ; Jenny, Titus ; Labat, Gael ; Neels, Antonia ; Stoeckli-Evans, Helen

In: Acta Crystallographica Section E Structure Reports Online, 2014, vol. 70, no. 8, p. 72–76

The title compounds, [FeCl₂(C₁₅H₂₀N₂)₄], (I), [FeBr₂(C₁₅H₂₀N₂)₄], (II), and [FeBr₂(C₁₅H₂₀N₂)₄]·2C₄H₁₀O, (IIb), respectively, all have triclinic symmetry, with (I) and (II) being isotypic. The FeII atoms in each of the structures are located on an inversion center. They have octa­hedral FeX₂N₄ (X = Cl and Br,...

Alumoåkermanite, (Ca,Na)₂(Al,Mg,Fe²⁺)(Si₂O₇), a new mineral from the active carbonatite-nephelinite-phonolite volcano Oldoinyo Lengai, northern Tanzania

Wiedenmann, Daniel ; Zaitsev, A. N. ; Britvin, S. N. ; Krivovichev, S. V. ; Keller, J.

In: Mineralogical Magazine, 2009, vol. 73, no. 3, p. 373-384

Alumoåkermanite, (CaNa)₂(Al,Mg,Fe²⁺)(Si₂O₇), is a new mineral member of the melilite group from the active carbonatite-nephelinite-phonolite volcano Oldoinyo Lengai, Tanzania. The mineral occurs as tabular phenocrysts and microphenocrysts in melilite-nephelinitic ashes and lapilli-tuffs. Alumoåkermanite is light brown in colour; it is transparent, with a vitreous lustre and the streak...

A structural study of copper(II) carboxylates: Crystal structure and physical characterisation of [Cu₂(2-bromopropanoato)₄(caffeine)₂]

Valach, Fedor ; Melník, Milan ; Bernardinelli, Gérald ; Fromm, Katharina M.

In: Journal of Chemical Crystallography, 2006, vol. 36, no. 9, p. 571-580

Based on the bond-valence sum model the continual transition between the bidentate and monodentate bonding mode of carboxylato group and minimum of Cu–O bond lengths were estimated. The dependence of Cu⋯Cu separation on Cu–N bond length in binuclear Cu(II) carboxylates with caffeine were derived and fitted to the observed data. The crystal structure of...