Table 1.

Proteins involved in Zn uptake and efflux in P. aeruginosa.

Name	Function
Uptake
ZnuABC	High-affinity ABC transporter
ZnuD	TonB-dependent receptor
PA4063-4066	Putative ABC transporter
CntI	Pseudopaline exporter
CntO	Pseudopaline importer
CntLM	Pseudopaline synthesis proteins
PA1922	Putative TonB-dependent receptor
PA2911	Putative TonB-dependent receptor
PA2912-2914	Putative ABC transporter
HmtA	Atypical P-type ATPase importer
Efflux
CzcCBA	Efflux pump
CzcD	Cation diffusion facilitator transporter
YiiP	Cation diffusion facilitator transporter
CadA	P-type ATPase transporter