Table 3.

Overview of the network parameters level for acetoclastic (AcMe), hydrogenotrophic (HyMe) and both methanogenic pathways (BoMe).

Parameter		AcMe	HyMe	BoMe
Nodes		672	706	504
Edges	positive	960	1,331	903
	negative	1,024	929	550
	In-Module	1,851	2,077	1,253
	Outside-module	133	183	200
	total	1,984	2,260	1,453
No. of modules		26	42	32
Topological roles	Connector	0	5	6
	Module Hub	12	16	11
	Network Hub	0	0	0
	Peripherals	660	685	487

Affiliation of BPs to networks can be found elsewhere (Supplementary Fig. 4). Networks were calculated separately for each type of methanogenic pathway.