منابع مشابه
Purification and N-terminal Analyses of Algal Biliproteins.
1. R-, B- and C-phycoerythrins and R- and C-phycocyanins were isolated and purified on a preparative scale by calcium phosphate chromatography, ammonium sulphate fractionation and crystallization. 2. The N-terminal residues of these biliproteins were analysed. Methionine is the only N-terminal residue of all the phycoerythrins, there being about 14 N-terminal residues per molecule of R- and B-p...
متن کاملThe Conformation of Bilin Chromophores in Biliproteins: Ramachandran-Type Calculations
Bilin Conformation, Phycocyanin, Phycoerythrin, Phytochrome Ramachandran-type calculations are performed for conformations of bilin chromophores pres ent in the biliproteins phycocyanin, phycoerythrin and phytochrome. The atomic coordinates are taken from x-ray data of crystalline model compounds, namely biliverdin for pyrrole rings B, C, D and substituted succinimides for the hydrogenated rin...
متن کاملConformational Studies of Biliproteins from the Insects Pieris brassicae and Cerura vinula
Chromophore conformation and protein secondary structure of biliproteins from the butterfly, Pieris brassicae, and the moth, Cerura vinula, have been investigated by absorption, circular dichroism and fluorescence spectroscopy. The chromophore of the P. brassicae protein, biliverdin IXy, has probably a cyclic-helical structure similar to that of free bile pigments of the biliverdin type. Though...
متن کاملPhycobilins of cryptophycean algae. Occurrence of dihydrobiliverdin and mesobiliverdin in cryptomonad biliproteins.
Structures of the open-chain tetrapyrrole (bilin) prosthetic groups of the cryptophycean biliproteins phycocyanin 645 (Cr-PC 645; from strain UW374), phycoerythrin 566 (Cr-PE 566; from strain Bermani) and phycoerythrin 545 (Cr-PE 545; from Proteomonas sulcata Hill & Wetherbee) were examined by absorption, 1H NMR spectroscopy, and mass spectrometry. These biliproteins carry the following covalen...
متن کاملLabeling of cytosine residues with biliproteins for use as fluorescent DNA probes
The fluorescent properties of biliproteins (B-phycoerythrin, BPE; C-phycocyanin, CPC and allophycocyanin, APC) have been utilized as labels of nucleic acids to detect hybridization by means of steady-state fluorescence anisotropy in a homogeneous aqueous solution of model system in which poly(C) and poly(I) are, respectively, the probe and target sequences. An easy method to obtain biliprotein–...
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ژورنال
عنوان ژورنال: Biochemical Journal
سال: 1970
ISSN: 0306-3283
DOI: 10.1042/bj1190001p