>tr|A0A2E4R7J1|A0A2E4R7J1_9BURK Periplasmic mercury ion-binding protein OS=Pusillimonas sp. GN=merP MKKLFAALALAAVVAPVWAATQTVTLSVPGMTCSTCPITVKKAISKVEGVSKIDVTFETR EAVVTFDDAKTSVQKLTKATGDAGYPSSVKQ