Pigment or Organism Name:	pheophytin f
Type:	biological pigment
Medium Type:	in vitro
Description:	In vitro absorbance spectrum of pheophytin f in methanol


x-axis label:	wavelength
x-axis units:	nm
y-axis label:	absorbance
y-axis units:	relative
error label:	nil
error units:	nil


Source/Contact:	Min Chen

Reference:	Chen, M., Schliep, M., Willows, R.D., Cai, Z.-L., Neilan, B.A. and Scheer, H. (2010). A red-shifted chlorophyll, Science 329: 1318-1319.


Comments:	Extracts from stromatolite, possibly a filamentous cyanobacterium. In vitro absorbance spectrum of pheophytin f in methanol, peaks at 408 and 699 nm.   Absorbance spectrum is shifted up by 1655 to correct for negative values from filter effects.
	Molecular formula:  C55H72O6N4




Keywords:	pheophytin f

Datafile name:	Pheophytinf_Chen_2010_spec.csv