>tr|A0A3Q8D626|A0A3Q8D626_9ENTR Periplasmic mercury ion-binding protein OS=Citrobacter sp. CFNIH10 GN=merP MKKLFAALALAAVVAPVWAATQTVTLSVPGMTCSTCPITVKKAISKVEGVSKIDVTFETR EAVVTFDDAKTSVQKLTKATGDAGYPSSVKQ