Fig. 6From: Comparative genomic analysis of Citrobacter sp. XT1-2-2 reveals insights into the molecular mechanism of microbial immobilization of heavy metalsHeavy metal resistance genes distributed in Citrobacter sp. XT1-2-2. a Zinc or cadmium transporter, b Chromate transporter, c Zinc/ cadmium /mercury /lead-transporting ATPase, d Zinc ABC transporter permease, e Arsenical resistance protein, f copper resistance system, g Mercury transport system, h Cobalt ECF transporter complexBack to article page