>tr|Q7B104|Q7B104_ACICA Periplasmic mercury ion-binding protein OS=Acinetobacter calcoaceticus GN=merP MKKLFASLALAAFVAPVFAATQTVTLSVPGMTCASCPITVKHALSKVEGVSKTDVSFDKR QAVVTFDDAKTNVQKLTKATEDAGYPSSLKR