>tr|A0A0F6TZB0|A0A0F6TZB0_CITAM Periplasmic mercury ion-binding protein OS=Citrobacter amalonaticus Y19 GN=merP MKKLFAALALAAVVAPVWAATQTVTLSVPGMTCSTCPITVKKAISKVEGVSKIDVTFETR EAVVTFDDAKTSVQKLTKATGDAGYPSSVKQ