>tr|A0A1D2U5R9|A0A1D2U5R9_9BURK Periplasmic mercury ion-binding protein OS=Comamonas sp. SCN 67-35 GN=merP MKKLFASLALAAFVAPVFAATQTVTLSVPGMTCASCPITVKHALSKVEGVSKTDVSFDKR QAVVTFDDAKTNVQKLTKATEDAGYPSSLKR