Ab initio calculation of electronic coupling in the photosynthetic reaction center.

Ab initio calculation of electronic coupling in the photosynthetic reaction center.
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光合反应中心电子耦合的从头计算。

DOI:
10.1073/pnas.95.23.13603
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发表时间:
1998
影响因子:
11.1
通讯作者:
Friesner,RA
Friesner,RA
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Zhang,LY;Friesner,RA

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我们对细菌光合反应中心发色团之间的电子转移耦合进行了从头算电子结构计算。耦合同意非常好的参数从最近的量子动力学模型的实验数据假设一个明确的中间机制。我们还计算了反应中心M侧的耦合,并发现主供体与M侧中间体细菌叶绿素的相互作用相当小,因为两个局部耦合矩阵元素的破坏性干涉。这可能解释了反应中心M侧电子转移的缓慢速率。
We have carried out anab initioelectronic structure calculations of electron transfer couplings between chromophores in the bacterial photosynthetic reaction center. The couplings agree remarkably well with parameters obtained from recent quantum dynamical modeling of experimental data assuming an explicit intermediate mechanism. We also have computed couplings on the M-side of the reaction center and have found that the interaction of the primary donor to the M-side intermediate bacteriochlorophyll is quite small because of destructive interference of the two localized coupling matrix elements. This may explain the slow rate of electron transfer down the M-side of the reaction center.
DOI: 10.1021/j100090a027
发表时间: 1994
期刊: The Journal of Physical Chemistry
影响因子: --
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DOI: 10.1016/0005-2728(90)90192-7
发表时间: 1990
期刊: Biochimica et biophysica acta
影响因子: --
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发表时间: 1995-08-18
期刊: SCIENCE
影响因子: 56.9
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溶液中细菌叶绿素和细菌脱镁叶绿素氧化还原电位的从头计算电子结构
DOI: 10.1021/j100044a042
发表时间: 1995
期刊: The Journal of Physical Chemistry
影响因子: --
作者:
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