About: Cisplatin Interaction with Cysteine and Methionine in Aqueous Solution: Computational DFT/PCM Study     Goto   Sponge   NotDistinct   Permalink

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  • In this paper we explore cisplatin interactions with sulfur-containing amino acids in a polarizable continuum model. Two cisplatin hydrated complexes were considered as reactants (chloro complex, cis[Pt(NH3)(2)Cl(H2O)](+); hydroxo complex, cis-[Pt(NH3)(2)(OH)(H2O)](+)). We considered the following reaction mechanism: first step, substitution of the aqua ligand by amino acid; second step, dissociative chelate formation. For the optimized complex (at the B3LYP/6-31+G(d)/COSMO level), the energy profile was determined using the B3LYP/6-311++G(2df,2pd) level and two different PCM models-COSMO and UAKS/DPCM methods which were adapted for use on transition metal complexes. The results show thermodynamic preference for bonding by cysteine sulfur followed by the amino group nitrogen, methionine thioether sulfur, and carboxyl-group oxygen. Methionine slightly prefers the Pt-N(Met) coordination in the chloro complex, but in the hydroxo complex it prefers the Pt-S(Met) coordination. A similar trend follows from
  • In this paper we explore cisplatin interactions with sulfur-containing amino acids in a polarizable continuum model. Two cisplatin hydrated complexes were considered as reactants (chloro complex, cis[Pt(NH3)(2)Cl(H2O)](+); hydroxo complex, cis-[Pt(NH3)(2)(OH)(H2O)](+)). We considered the following reaction mechanism: first step, substitution of the aqua ligand by amino acid; second step, dissociative chelate formation. For the optimized complex (at the B3LYP/6-31+G(d)/COSMO level), the energy profile was determined using the B3LYP/6-311++G(2df,2pd) level and two different PCM models-COSMO and UAKS/DPCM methods which were adapted for use on transition metal complexes. The results show thermodynamic preference for bonding by cysteine sulfur followed by the amino group nitrogen, methionine thioether sulfur, and carboxyl-group oxygen. Methionine slightly prefers the Pt-N(Met) coordination in the chloro complex, but in the hydroxo complex it prefers the Pt-S(Met) coordination. A similar trend follows from (en)
  • In this paper we explore cisplatin interactions with sulfur-containing amino acids in a polarizable continuum model. Two cisplatin hydrated complexes were considered as reactants (chloro complex, cis[Pt(NH3)(2)Cl(H2O)](+); hydroxo complex, cis-[Pt(NH3)(2)(OH)(H2O)](+)). We considered the following reaction mechanism: first step, substitution of the aqua ligand by amino acid; second step, dissociative chelate formation. For the optimized complex (at the B3LYP/6-31+G(d)/COSMO level), the energy profile was determined using the B3LYP/6-311++G(2df,2pd) level and two different PCM models-COSMO and UAKS/DPCM methods which were adapted for use on transition metal complexes. The results show thermodynamic preference for bonding by cysteine sulfur followed by the amino group nitrogen, methionine thioether sulfur, and carboxyl-group oxygen. Methionine slightly prefers the Pt-N(Met) coordination in the chloro complex, but in the hydroxo complex it prefers the Pt-S(Met) coordination. A similar trend follows from (cs)
Title
  • Cisplatin Interaction with Cysteine and Methionine in Aqueous Solution: Computational DFT/PCM Study
  • Cisplatin Interaction with Cysteine and Methionine in Aqueous Solution: Computational DFT/PCM Study (en)
  • Cisplatin Interaction with Cysteine and Methionine in Aqueous Solution: Computational DFT/PCM Study (cs)
skos:prefLabel
  • Cisplatin Interaction with Cysteine and Methionine in Aqueous Solution: Computational DFT/PCM Study
  • Cisplatin Interaction with Cysteine and Methionine in Aqueous Solution: Computational DFT/PCM Study (en)
  • Cisplatin Interaction with Cysteine and Methionine in Aqueous Solution: Computational DFT/PCM Study (cs)
skos:notation
  • RIV/60076658:12110/09:00010197!RIV10-MSM-12110___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(IAA400550701), V, Z(MSM0021620835)
http://linked.open...iv/cisloPeriodika
  • 10
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 307172
http://linked.open...ai/riv/idVysledku
  • RIV/60076658:12110/09:00010197
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • ANTICANCER DRUG CISPLATIN; AB-INITIO; PLATINUM(II) COMPLEXES (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [377E1C5B28AB]
http://linked.open...i/riv/nazevZdroje
  • JOURNAL OF PHYSICAL CHEMISTRY B
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 113
http://linked.open...iv/tvurceVysledku
  • Burda, Jaroslav
  • Chval, Zdeněk
  • Zimmermann, Tomáš
http://linked.open...ain/vavai/riv/wos
  • 000263974900021
http://linked.open...n/vavai/riv/zamer
issn
  • 1520-6106
number of pages
http://localhost/t...ganizacniJednotka
  • 12110
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