>tr|B7WTS1|B7WTS1_COMTK Periplasmic mercury ion-binding protein OS=Comamonas testosteroni GN=merP MKKLFAALALAAVVAPVWAATQTVTLSVPGMTCSTCPITVKKAISKVEGVSKIDVTFETR EAVVTFDDAKTSVQKLTKATGDAGYPSSVKQ