Theoretical Study on the Relative Energies of Neutral Pterin Tautomers
Theoretical Study on the Relative Energies of Neutral Pterin Tautomers
复制标题
中性蝶呤互变异构体相对能量的理论研究
DOI:
--
复制
发表时间:
2008
期刊:
影响因子:
--
通讯作者:
Christopher B. Martin
中科院分区:
文献类型:
--
作者:
M. Soniat;Christopher B. Martin
Abstract Current literature lists the lactam and lactim tautomers as the only major contributors to aqueous pterin structures. Density functional theory calculations were used to determine whether there are other significant neutral tautomers of pterin participating in photochemical and biological systems other than the lactam and lactim forms in aqueous media. Calculations showed that the lactam tautomer is the lowest energy structure while the lactim structure is higher in energy than expected (∼6 kcal/mol) compared to the lactam structure. Three other neutral pterin structures were calculated to be less than ∼4 kcal/mol above the most stable lactam and therefore should also be considered as structures which possibly play an important role in chemical and biological pterin systems.
影响因子:
5.6
作者:
Schüttelkopf, AW;Hardy, LW;Hunter, WN
通讯作者:
Hunter, WN
DOI:
10.1073/pnas.85.7.2046
发表时间:
1988-04-01
影响因子:
11.1
作者:
JOHNSON, JL;HAMMALVAREZ, S;SANCAR, A
通讯作者:
SANCAR, A
影响因子:
2.9
作者:
HEVEL, JM;MARLETTA, MA
通讯作者:
MARLETTA, MA