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. 2020 Mar 16;21(6):2019. doi: 10.3390/ijms21062019

Figure 3.

Figure 3

(A) Alignment of fieF genes from E. coli K-12 MG1655 and S. panacis DCY99T; Sphingomonas oligophenolica S5.1; Sphingomonas mail NBRC 15500; Sphingomonas pruni NBRC 15498. (B) Number of heavy metals related genes in four stains of Sphingomonas. (C) Proposed model for the czc efflux system in S. panacis DCY99T as suggested S. sp. LK11. The czc efflux system consist of cell wall “outer” membrane protein (CzcC); “inner” plasma membrane transport protein (CzcA); membrane fusion protein that extends through both membranes (CzcB) [29].