ENERGY TRANSFER IN PHYCOERYTHRIN 545

超快时间分辨荧光光谱法应用于 研究藻胆蛋白R-藻红蛋白的物理性质。 R-藻红蛋白是来自红藻的蛋白质 胆蛋白 这种蛋白质有两种类型的发色团： 藻胆素（PUB）和藻红胆素（PEB）。 无辐射 PUB和PEP之间的相互作用在不同条件下进行了研究。 使用单光子和双光子激发的条件。 的光谱 的藻红蛋白545显示了随温度变化的行为类型： 在低温（10-20 ℃）下形成二聚体，部分解离， 单体在40-50 ℃，几乎完全无序在60 ℃和70 无序地变成肽。

Ultrafast time-resolved fluorescence spectroscopy was applied to study physical properties of the phycobiliprotein R-phycoerythrin. R-phycoerythrin is a protein from the group of red algal bili-proteins. This protein has 2 types of chromophores: phycourobilin (PUB) and phycoerythrobilin (PEB). Radiationless interaction between PUB and PEP was examined under different conditions using one and two-photon excitation. The optical spectra of phycoerythrin 545 shows for types of behavior with temperature: forming a dimer at low temperature (10-20 C), partially dissociates to monomer at 40-50 C, nearly fully disordered at 60 C and at 70 disordered into ` and peptides .