Localization of Methyl-Coenzyme M Reductase as Metabolic Marker for Diverse Methanogenic Archaea

Table 1

Partitioning of MCR as revealed by immunolocalization.

Organism	Approximate doubling time (h)	Concentration of levulinic acid in the medium	% markers at the membrane
Methanothermobacter marburgensis	26	0.0	17
	35	0.05	36
	38	0.2	70
Methanothermobacter wolfei	34	0.0	15
	42	0.1	52
Methanosarcina mazei (DSM 3647)	20	0.0	32
	34	0.05	60