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. Author manuscript; available in PMC: 2023 Feb 22.
Published in final edited form as: Annu Rev Biochem. 2022 Mar 18;91:353–380. doi: 10.1146/annurev-biochem-040320-102858

Figure 1.

Figure 1

Encapsulin assembly and classification. (a) Representative cryogenic electron micrographs of differently sized encapsulin shells: T1, Thermotoga maritima; T1 + cargo, Acinetobacter sp. 1289694; T3, Kuenenia stuttgartiensis, and T4, Quasibacillus thermotolerans. (b) Schematic outlining concurrent Family 1 encapsulin cargo loading and shell self-assembly. (c) Four-family classification scheme for encapsulins based on sequence similarity and genome neighborhood analysis. Question marks indicate experimentally unconfirmed cargo proteins or enzymatic components. Abbreviations: cNMP, cyclic nucleotide; Enc, encapsulin.