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Citation: Zhuo Ji-Cang, Hu Jia-Ping, Wang Kui. Conformation of Bile Salt-Bilirubin-Ca²⁺ Ternary Complexes[J]. Acta Physico-Chimica Sinica, ;1992, 8(03): 389-393. doi: 10.3866/PKU.WHXB19920319 shu

Conformation of Bile Salt-Bilirubin-Ca²⁺ Ternary Complexes

1.
Research Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Beijing Medical University, Beijing 100083

Received Date: 13 November 1990
Available Online: 15 June 1992

In this paper, according to UV and CD experiments of nine different bile saltbilirubin-Ca~(2+) ternary systems, a conformational model of the resulted ternary complexes was suggested. In order to clarify their conformations, UV and CD spectra of these ternary complexes have been simulated by means of "PPP-SCG-CI-DV", quantum chemical programme. Six optimum conformations may be grouped into two types, for which the results are in agreement with that of the spectroscopic experiments obtained. Based on them, the chiralities shown in CD spectra of nine different bile salt-bilirubin-Ca~(2+) complexes were explained.
- Ternary complex; Optimum conformation; Chirality
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Conformation of Bile Salt-Bilirubin-Ca2+ Ternary Complexes

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Conformation of Bile Salt-Bilirubin-Ca²⁺ Ternary Complexes