Zobrazeno 1 - 10
of 256
pro vyhledávání: '"Juan Bertrán"'
Publikováno v:
Journal of the American Chemical Society. 137:12024-12034
In this paper we present a study of the peptide bond formation reaction catalyzed by ribosome. Different mechanistic proposals have been explored by means of Free Energy Perturbation methods within hybrid QM/MM potentials, where the chemical system h
Publikováno v:
Repositori Universitat Jaume I
Universitat Jaume I
Universitat Jaume I
Published as part of the special collection of articles derived from the 10th Congress on Electronic Structure: Principles and Applications (ESPA-2016). The catalytic activity of some classes of natural RNA, named as ribozymes, has been discovered ju
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a90c2608ca1b094e9be9c697406671b
Publikováno v:
Journal of Computational Chemistry. 33:1948-1959
We are presenting a theoretical study of the hydrolysis of a β-lactam antibiotic in gas phase and in aqueous solution by means of hybrid quantum mechanics/molecular mechanics potentials. After exploring the potential energy surfaces at semiempirical
Publikováno v:
Theoretical Chemistry Accounts. 128:619-626
The effect of the activation of the nucleobase (leaving group) or the activation of the water molecule (nucleophile) by a general acid or a general base on the hydrolysis of the N-glycosydic bond of 2′-deoxyguanosine has been analyzed by means of d
Publikováno v:
Journal of Computational Chemistry. 30:1771-1784
Ramachandran maps of neutral and ionized HCO-Gly-NH2 and HCO-Ala-NH2 peptide models have been built at the B3LYP/6-31++G(d,p) level of calculation. Direct optimizations using B3LYP and the recently developed MPWB1K functional have also been carried o
Publikováno v:
The Journal of Physical Chemistry B. 113:7816-7824
The reaction mechanism of phosphate monoester hydrolysis in alkaline phosphatase is analyzed by means of hybrid QM/MM simulations. A recently developed semiempirical Hamiltonian, AM1/d-PhoT, which takes into account the d orbitals on the phosphorus a
Autor:
Luis Rodríguez-Santiago, Xavier Solans-Monfort, Marc Noguera, Mariona Sodupe, Antoni Oliva, Juan Bertrán, R. Rios-Font
Publikováno v:
Theoretical Chemistry Accounts. 123:105-111
The influence of π-stacking interactions between guanine (G) and the side chain of tyrosine (Tyr) on the N7 and O6 proton affinities of guanine and on the capability of these sites to act as hydrogen bond acceptors is analyzed at the B3LYP-D, M05-2X
Publikováno v:
Chemistry - A European Journal. 14:596-602
The Diels–Alder reaction is one of the most important and versatile transformations available to organic chemists for the construction of complex natural products, therapeutics agents, and synthetic materials. Given the lack of efficient enzymes ca
Publikováno v:
Chemical Physics Letters. 451:276-281
Based on MPWB1K/6-31++G(d,p) calculations, we have performed a charge and spin density analysis for the most representative structures of Hisδ(+) and Hise(+) radical cations. This analysis shows that depending on the site where ionisation takes plac
Publikováno v:
Journal of Chemical Theory and Computation. 3:2210-2220
The conformational properties of ionized amino acids (Gly, Ala, Ser, Cys, Asp, Gln, Phe, Tyr, and His) have been theoretically analyzed using the hybrid B3LYP and the hybrid-meta MPWB1K functionals as well as with the post-Hartree Fock CCSD(T) level