. Author manuscript; available in PMC: 2012 Apr 1.

Published in final edited form as: Arch Biochem Biophys. 2011 Jan 22;508(1):25–30. doi: 10.1016/j.abb.2011.01.012

Table 2.

Pyridine hemochromogen spectral peak positions.

Sample	Soret (nm)	α/β peaks (nm)
Fe(III)PPIX standard	396	ND^*
Oxidized PPIX released from wild type FeCBS	399	ND^*
Co(III)PPIX standard	423	534, 567
Oxidized PPIX released from CoCBS	429	542, 572

Fe(II)PPIX standard	416	522, 555
Reduced PPIX released from wild type FeCBS	419	524, 556
Co(II)PPIX standard	401	554
Reduced PPIX released from CoCBS	404	556

ND: not detected; bands were broad and indistinct with a maximum beyond the spectral range recorded