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2.A.6.1.16
The nczCBA operon (also called the czc operon) is induced maximally by Ni2+ and Co2+, moderately by Zn2+ but not by Cd2+. NczCBA transports Ni2+ Co2+and probably Zn2+ and Cd2+(Valencia et al. 2013).

Accession Number:B8GZE8
Protein Name:Cobalt-zinc-cadmium resistance protein czcB
Length:420
Molecular Weight:45512.00
Species:Caulobacter crescentus (strain NA1000 / CB15N) [565050]
Substrate cadmium(2+), cobalt(2+), nickel(2+), zinc(2+)

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FASTA formatted sequence
1:	MTRLSRRLAA VPLALAIAGT LALSACGERP KPAETEGHAA KAGDYERGPH RGRMLRDGDF 
61:	AVEVTIFEDG VEPQFHVYAY RKDKPIAPKD VQLSITLSRL DGEVNRFAFT PLEDYLRGGG 
121:	IVHEPHSFDV KVSATYQGRS HSWSYPSYEG RTTISAAAAK AGGVRTEIAG PAPIAELVDM 
181:	GGRVEITPEG KGEVRAWYPG RIMMLRGKLG ETVRKGQLLA RVESSESLQT YAIPAPISGV 
241:	IVEKNLNVGD VTGDRAIFVI ADPTKLHAEF FVYPRDAEKV RVGQPVEVRS LSGDTKLRAE 
301:	VEAVLPTADL TSQTLLAHVH LPGGADSAFR PGMGVEGSFQ VGAATAPLAV RTKAIQRFRD 
361:	FQVVFVKVGE TYEVRMLELG RQTPEWTEVL SGLKPGSEYV TDGAFLIRAD IEKSGASHDH