Amino Acid Sequence 1 Article 1 COPT 1 Conserved Sequence 1 Copper 1 Copper Transport Proteins Gene Expression 1 Heavy metal stress 1 Lycopersicon esculentum 1 Molecular Conformation 1 Multigene Family 1 Phylogeny 1 Plant Proteins 1 SlCOPT1 protein 1 SlCOPT2 protein 1 SlCOPT3 protein 1 SlCOPT4 protein 1 SlCOPT5 protein 1 SlCOPT6 protein 1 Structure-Activity Relationship 1 Tomato 1 amino acid sequence 1 amino terminal sequence 1 beta sheet 1 binding affinity 1 binding site 1 carboxy terminal sequence 1 cell transport 1 chemistry 1 conformation 1