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. 2018 Jun 18;115(27):7141–7146. doi: 10.1073/pnas.1806668115

Fig. 1.

Fig. 1.

CBS–CP12 variants and gene neighborhood conservation. (A) Domain organization of the five CBS–CP12 variants. CBS–CP12-N/C contains both cysteine pairs in the CP12 domain, CBS–CP12-N only the N-terminal pair, and CBS–CP12-0 lacks both cysteine pairs. CBS–CP12-N-tr contains a truncated CP12 domain with the N-terminal cysteine pair, and CBS–CP12-tr possesses only a short CP12 domain without cysteine pairs. The distribution of the five CBS–CP12 variants within the cyanobacterial phylum is displayed in SI Appendix, Fig. S1. (B) Selected list of gene neighborhoods of CBS–CP12 genes in different cyanobacteria. Note that a CBS–CP12 gene is also copresent in the hydrogenase gene cluster of Synechococcus sp. PCC 7002. (C) Conservation of 12 gene cluster types featuring a CBS–CP12 and a TrxA gene. Note that one gene cluster type occurs in bloom-forming and marine symbiotic cyanobacteria (M. aeruginosa PCC 7806 and Prochloron P2 Fiji).