Sequence Cluster id id2 desc organism isHeteromeric 1 Singleton1 SwissProt::P07117 PUTP_ECOLI Sodium/proline symporter; Proline permease; Propionate transporter Escherichia coli (strain K12) 1 Singleton1 TCDB::P07117 2.A.21.2.1 Proline:Na+ symporter, PutP Escherichia coli 1 Singleton1 ecocyc::PUTP-MONOMER b1015 proline:Na+ symporter Escherichia coli K-12 substr. MG1655 1 Singleton1 metacyc::PUTP-MONOMER P07117 proline:Na+ symporter Escherichia coli (strain K12)