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Figure 1
Top: schematic diagram of the E. coli ultrastructure. The diderm cell envelope is distinguished by the presence of the periplasmic space (PP), which is separated from the cytoplasm (CP) by the inner membrane (IM). In turn, the periplasm is separated from the outside by the outer membrane (OM), which is firmly bound to the peptidoglycan layer (PG) inside via Lpp proteins. Bottom: scheme of the core multiple shell SLD profile used to model the bacterial scattering form factor.

IUCrJ
Volume 4| Part 6| November 2017| Pages 751-757
ISSN: 2052-2525
https://doi.org/10.1107/S2052252517013008