Characterization of a novel unconjugated pteridine glycoside, cyanopterin, in Synechocystis sp. PCC 6803.

@article{Lee1999CharacterizationOA,
  title={Characterization of a novel unconjugated pteridine glycoside, cyanopterin, in Synechocystis sp. PCC 6803.},
  author={Hee-Jung Lee and C. H. Oh and Andrew J. Geyer and W. Pfleiderer and Young Shik Park},
  journal={Biochimica et biophysica acta},
  year={1999},
  volume={1410 1},
  pages={61-70}
}
A new pteridine glycoside, called cyanopterin, was isolated from Synechocystis sp. PCC 6803 and its structure was elucidated as 6-[1-(4-O-methyl-(alpha-d-glucuronyl)-(1, 6)-(beta-d-galactosyloxy]methylpterin by chemical degradation and 1H- and 13C-NMR spectroscopic means. Cyanopterin is constitutively synthesized at a relatively high intracellular concentration that is comparable to that of chlorophyll a in a molar ratio of approximately 1 to 1.6. The in vivo oxidation state of cyanopterin is… CONTINUE READING

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