Table 1.

Dimensions of the cell envelope of various bacteria determined from cryoEM of cryosections following high pressure freezing.

Bacterial strain	Thickness (nm)			Ref.
	IM	periplasm	PG
E. coli K12	5.8	9.3	6.4	[16]
E. coli K12	6.3	11.5	6.4	[19]
P. aeruginosa PAO1	6.0	15	2.4	[16]
B. subtilis 168	6.6	22	33	[18]
S. aureus D2C	5.4	16	19	[49]
B. subtilis 168		20	30	[35]
B. subtilis W23		20	33	[35]
S. gordonii		16	26	[35]
M. bovis	6.3	14	6.3	[19]