>tr|A0A228I894|A0A228I894_9BURK Periplasmic mercury ion-binding protein OS=Burkholderia aenigmatica GN=merP MKKLFASLALAAFVAPVFAATQTVTLSVPGMTCASCPITVKHALSKVEGVSKTDVSFDKR QAVVTFDDAKTNVQKLTKATEDAGYPSSLKR