| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| STM4191 | pepE | STM4191 | STM4190 | Putative cytoplasmic protein. | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | 0.558 |
| iadA | pepE | STM4512 | STM4190 | Isoaspartyl dipeptidase; Catalyzes the hydrolytic cleavage of a subset of L- isoaspartyl (L-beta-aspartyl) dipeptides. Used to degrade proteins damaged by L-isoaspartyl residues formation. | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | 0.925 |
| iroN | pepE | STM2777 | STM4190 | TonB-dependent siderophore receptor protein; Similar to E. coli outer membrane receptor for ferric enterobactin (enterochelin) and colicins B and D (AAC73685.1); Blastp hit to AAC73685.1 (746 aa), 52% identity in aa 3 - 728, 44% identity in aa 245 - 746. | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | 0.672 |
| iroN | ybeK | STM2777 | STM0661 | TonB-dependent siderophore receptor protein; Similar to E. coli outer membrane receptor for ferric enterobactin (enterochelin) and colicins B and D (AAC73685.1); Blastp hit to AAC73685.1 (746 aa), 52% identity in aa 3 - 728, 44% identity in aa 245 - 746. | Putative purine nucleoside hydrolase; Hydrolyzes cytidine or uridine to ribose and cytosine or uracil, respectively. | 0.674 |
| iroN | yjjU | STM2777 | STM4563 | TonB-dependent siderophore receptor protein; Similar to E. coli outer membrane receptor for ferric enterobactin (enterochelin) and colicins B and D (AAC73685.1); Blastp hit to AAC73685.1 (746 aa), 52% identity in aa 3 - 728, 44% identity in aa 245 - 746. | Putative phosphoesterase; Similar to E. coli orf, hypothetical protein (AAC77330.1); Blastp hit to AAC77330.1 (357 aa), 85% identity in aa 1 - 357. | 0.649 |
| pepE | STM4191 | STM4190 | STM4191 | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | Putative cytoplasmic protein. | 0.558 |
| pepE | iadA | STM4190 | STM4512 | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | Isoaspartyl dipeptidase; Catalyzes the hydrolytic cleavage of a subset of L- isoaspartyl (L-beta-aspartyl) dipeptides. Used to degrade proteins damaged by L-isoaspartyl residues formation. | 0.925 |
| pepE | iroN | STM4190 | STM2777 | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | TonB-dependent siderophore receptor protein; Similar to E. coli outer membrane receptor for ferric enterobactin (enterochelin) and colicins B and D (AAC73685.1); Blastp hit to AAC73685.1 (746 aa), 52% identity in aa 3 - 728, 44% identity in aa 245 - 746. | 0.672 |
| pepE | pepP | STM4190 | STM3058 | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | Similar to E. coli proline aminopeptidase P II (AAC75946.1); Blastp hit to AAC75946.1 (441 aa), 91% identity in aa 4 - 441. | 0.730 |
| pepE | pepT | STM4190 | STM1227 | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | Putative peptidase T; Cleaves the N-terminal amino acid of tripeptides. Hydrolyzes tripeptides containing N-terminal methionine, leucine, or phenylalanine. Displays little or no activity against dipeptides, N- blocked or C-blocked tripeptides, and tetrapeptides. Belongs to the peptidase M20B family. | 0.560 |
| pepE | purN | STM4190 | STM2500 | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | Polyphosphate kinase; Catalyzes the transfer of a formyl group from 10- formyltetrahydrofolate to 5-phospho-ribosyl-glycinamide (GAR), producing 5-phospho-ribosyl-N-formylglycinamide (FGAR) and tetrahydrofolate. | 0.604 |
| pepE | rpiA | STM4190 | STM3063 | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | Constitutive ribosephosphate isomerase; Catalyzes the reversible conversion of ribose-5-phosphate to ribulose 5-phosphate. | 0.653 |
| pepE | sspA | STM4190 | STM3342 | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | Stringent starvation protein A; Regulator of transcription; similar to E. coli regulator of transcription; stringent starvation protein A (AAC76261.1); Blastp hit to AAC76261.1 (212 aa), 98% identity in aa 1 - 211; Belongs to the GST superfamily. | 0.549 |
| pepE | ybeK | STM4190 | STM0661 | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | Putative purine nucleoside hydrolase; Hydrolyzes cytidine or uridine to ribose and cytosine or uracil, respectively. | 0.738 |
| pepE | yjjU | STM4190 | STM4563 | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | Putative phosphoesterase; Similar to E. coli orf, hypothetical protein (AAC77330.1); Blastp hit to AAC77330.1 (357 aa), 85% identity in aa 1 - 357. | 0.677 |
| pepP | pepE | STM3058 | STM4190 | Similar to E. coli proline aminopeptidase P II (AAC75946.1); Blastp hit to AAC75946.1 (441 aa), 91% identity in aa 4 - 441. | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | 0.730 |
| pepP | pepT | STM3058 | STM1227 | Similar to E. coli proline aminopeptidase P II (AAC75946.1); Blastp hit to AAC75946.1 (441 aa), 91% identity in aa 4 - 441. | Putative peptidase T; Cleaves the N-terminal amino acid of tripeptides. Hydrolyzes tripeptides containing N-terminal methionine, leucine, or phenylalanine. Displays little or no activity against dipeptides, N- blocked or C-blocked tripeptides, and tetrapeptides. Belongs to the peptidase M20B family. | 0.895 |
| pepT | pepE | STM1227 | STM4190 | Putative peptidase T; Cleaves the N-terminal amino acid of tripeptides. Hydrolyzes tripeptides containing N-terminal methionine, leucine, or phenylalanine. Displays little or no activity against dipeptides, N- blocked or C-blocked tripeptides, and tetrapeptides. Belongs to the peptidase M20B family. | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | 0.560 |
| pepT | pepP | STM1227 | STM3058 | Putative peptidase T; Cleaves the N-terminal amino acid of tripeptides. Hydrolyzes tripeptides containing N-terminal methionine, leucine, or phenylalanine. Displays little or no activity against dipeptides, N- blocked or C-blocked tripeptides, and tetrapeptides. Belongs to the peptidase M20B family. | Similar to E. coli proline aminopeptidase P II (AAC75946.1); Blastp hit to AAC75946.1 (441 aa), 91% identity in aa 4 - 441. | 0.895 |
| purN | pepE | STM2500 | STM4190 | Polyphosphate kinase; Catalyzes the transfer of a formyl group from 10- formyltetrahydrofolate to 5-phospho-ribosyl-glycinamide (GAR), producing 5-phospho-ribosyl-N-formylglycinamide (FGAR) and tetrahydrofolate. | (alpha)-aspartyl dipeptidase; Hydrolyzes dipeptides containing N-terminal aspartate residues. May play a role in allowing the cell to use peptide aspartate to spare carbon otherwise required for the synthesis of the aspartate family of amino acids. | 0.604 |