>sp|P69154|MT23A_MYTGA Metallothionein 20-III isoform A OS=Mytilus galloprovincialis OX=29158 PE=3 SV=2 MPGPCNCIETNVCICGTGCSGKCCQCGDACKCASGCGCSGCKVVCRCSGTCACGCDCTGP INCKCESGCSCK