>tr|Q13FR4|Q13FR4_PARXL Periplasmic mercury ion-binding protein OS=Paraburkholderia xenovorans GN=merP MKKLFASLALAAFVAPVFAATQTVTLSVPGMTCASCPITVKHALSKVEGVSKTDVSFDKR QAVVTFDDAKTNVQKLTKATEDAGYPSSLKR