>tr|A0A7H1VCU5|A0A7H1VCU5_9GAMM Periplasmic mercury ion-binding protein OS=Halomonas titanicae GN=merP MKKLFASLALAAFVAPVFAATQTVTLSVPGMTCASCPITVKHALSKVEGVSKTDVSFDKR QAVVTFDDAKTNVQKLTKATEDAGYPSSLKR