| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| exo | ydaL | STM2972 | STM1658 | Exonuclease IX, 5'-3' exonuclease; Has flap endonuclease activity. During DNA replication, flap endonucleases cleave the 5'-overhanging flap structure that is generated by displacement synthesis when DNA polymerase encounters the 5'-end of a downstream Okazaki fragment. | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | 0.938 |
| hsdM | hsdS | STM4525 | STM4524 | DNA methylase M, host modification; Methylation of specific adenine residues; required for both restriction and modification activities (By similarity). The StySJI enzyme recognizes 5'-GAGN(6)GTRC-3'; Belongs to the N(4)/N(6)-methyltransferase family. | Specificity determinant for hsdM and hsdR; The M and S subunits together form a methyltransferase (MTase) that methylates two adenine residues in complementary strands of a bipartite DNA recognition sequence. In the presence of the R subunit the complex can also act as an endonuclease, binding to the same target sequence but cutting the DNA some distance from this site. Whether the DNA is cut or modified depends on the methylation state of the target sequence. When the target site is unmodified, the DNA is cut. When the target site is hemimethylated, the complex acts as a maintenance M [...] | 0.999 |
| hsdM | mod | STM4525 | STM0357 | DNA methylase M, host modification; Methylation of specific adenine residues; required for both restriction and modification activities (By similarity). The StySJI enzyme recognizes 5'-GAGN(6)GTRC-3'; Belongs to the N(4)/N(6)-methyltransferase family. | DNA methylase; Binds the system-specific DNA recognition site 5'-CAGAG-3'. Necessary for restriction and for methylation of A-4. | 0.914 |
| hsdM | ydaL | STM4525 | STM1658 | DNA methylase M, host modification; Methylation of specific adenine residues; required for both restriction and modification activities (By similarity). The StySJI enzyme recognizes 5'-GAGN(6)GTRC-3'; Belongs to the N(4)/N(6)-methyltransferase family. | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | 0.897 |
| hsdS | hsdM | STM4524 | STM4525 | Specificity determinant for hsdM and hsdR; The M and S subunits together form a methyltransferase (MTase) that methylates two adenine residues in complementary strands of a bipartite DNA recognition sequence. In the presence of the R subunit the complex can also act as an endonuclease, binding to the same target sequence but cutting the DNA some distance from this site. Whether the DNA is cut or modified depends on the methylation state of the target sequence. When the target site is unmodified, the DNA is cut. When the target site is hemimethylated, the complex acts as a maintenance M [...] | DNA methylase M, host modification; Methylation of specific adenine residues; required for both restriction and modification activities (By similarity). The StySJI enzyme recognizes 5'-GAGN(6)GTRC-3'; Belongs to the N(4)/N(6)-methyltransferase family. | 0.999 |
| hsdS | mod | STM4524 | STM0357 | Specificity determinant for hsdM and hsdR; The M and S subunits together form a methyltransferase (MTase) that methylates two adenine residues in complementary strands of a bipartite DNA recognition sequence. In the presence of the R subunit the complex can also act as an endonuclease, binding to the same target sequence but cutting the DNA some distance from this site. Whether the DNA is cut or modified depends on the methylation state of the target sequence. When the target site is unmodified, the DNA is cut. When the target site is hemimethylated, the complex acts as a maintenance M [...] | DNA methylase; Binds the system-specific DNA recognition site 5'-CAGAG-3'. Necessary for restriction and for methylation of A-4. | 0.913 |
| hsdS | ydaL | STM4524 | STM1658 | Specificity determinant for hsdM and hsdR; The M and S subunits together form a methyltransferase (MTase) that methylates two adenine residues in complementary strands of a bipartite DNA recognition sequence. In the presence of the R subunit the complex can also act as an endonuclease, binding to the same target sequence but cutting the DNA some distance from this site. Whether the DNA is cut or modified depends on the methylation state of the target sequence. When the target site is unmodified, the DNA is cut. When the target site is hemimethylated, the complex acts as a maintenance M [...] | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | 0.897 |
| mod | hsdM | STM0357 | STM4525 | DNA methylase; Binds the system-specific DNA recognition site 5'-CAGAG-3'. Necessary for restriction and for methylation of A-4. | DNA methylase M, host modification; Methylation of specific adenine residues; required for both restriction and modification activities (By similarity). The StySJI enzyme recognizes 5'-GAGN(6)GTRC-3'; Belongs to the N(4)/N(6)-methyltransferase family. | 0.914 |
| mod | hsdS | STM0357 | STM4524 | DNA methylase; Binds the system-specific DNA recognition site 5'-CAGAG-3'. Necessary for restriction and for methylation of A-4. | Specificity determinant for hsdM and hsdR; The M and S subunits together form a methyltransferase (MTase) that methylates two adenine residues in complementary strands of a bipartite DNA recognition sequence. In the presence of the R subunit the complex can also act as an endonuclease, binding to the same target sequence but cutting the DNA some distance from this site. Whether the DNA is cut or modified depends on the methylation state of the target sequence. When the target site is unmodified, the DNA is cut. When the target site is hemimethylated, the complex acts as a maintenance M [...] | 0.913 |
| mod | ydaL | STM0357 | STM1658 | DNA methylase; Binds the system-specific DNA recognition site 5'-CAGAG-3'. Necessary for restriction and for methylation of A-4. | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | 0.580 |
| ogt | ydaL | STM1659 | STM1658 | O-6-alkylguanine-DNA; Involved in the cellular defense against the biological effects of O6-methylguanine (O6-MeG) and O4-methylthymine (O4-MeT) in DNA. Repairs the methylated nucleobase in DNA by stoichiometrically transferring the methyl group to a cysteine residue in the enzyme. This is a suicide reaction: the enzyme is irreversibly inactivated. | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | 0.496 |
| rsd | ydaL | STM4165 | STM1658 | Regulator of sigma D; Binds RpoD and negatively regulates RpoD-mediated transcription activation by preventing the interaction between the primary sigma factor RpoD with the catalytic core of the RNA polymerase and with promoter DNA. May be involved in replacement of the RNA polymerase sigma subunit from RpoD to RpoS during the transition from exponential growth to the stationary phase. | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | 0.460 |
| rsd | yohC | STM4165 | STM2169 | Regulator of sigma D; Binds RpoD and negatively regulates RpoD-mediated transcription activation by preventing the interaction between the primary sigma factor RpoD with the catalytic core of the RNA polymerase and with promoter DNA. May be involved in replacement of the RNA polymerase sigma subunit from RpoD to RpoS during the transition from exponential growth to the stationary phase. | Putative transport protein; Similar to E. coli orf, hypothetical protein (AAC75196.1); Blastp hit to AAC75196.1 (203 aa), 91% identity in aa 9 - 203. | 0.769 |
| ydaL | exo | STM1658 | STM2972 | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | Exonuclease IX, 5'-3' exonuclease; Has flap endonuclease activity. During DNA replication, flap endonucleases cleave the 5'-overhanging flap structure that is generated by displacement synthesis when DNA polymerase encounters the 5'-end of a downstream Okazaki fragment. | 0.938 |
| ydaL | hsdM | STM1658 | STM4525 | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | DNA methylase M, host modification; Methylation of specific adenine residues; required for both restriction and modification activities (By similarity). The StySJI enzyme recognizes 5'-GAGN(6)GTRC-3'; Belongs to the N(4)/N(6)-methyltransferase family. | 0.897 |
| ydaL | hsdS | STM1658 | STM4524 | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | Specificity determinant for hsdM and hsdR; The M and S subunits together form a methyltransferase (MTase) that methylates two adenine residues in complementary strands of a bipartite DNA recognition sequence. In the presence of the R subunit the complex can also act as an endonuclease, binding to the same target sequence but cutting the DNA some distance from this site. Whether the DNA is cut or modified depends on the methylation state of the target sequence. When the target site is unmodified, the DNA is cut. When the target site is hemimethylated, the complex acts as a maintenance M [...] | 0.897 |
| ydaL | mod | STM1658 | STM0357 | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | DNA methylase; Binds the system-specific DNA recognition site 5'-CAGAG-3'. Necessary for restriction and for methylation of A-4. | 0.580 |
| ydaL | ogt | STM1658 | STM1659 | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | O-6-alkylguanine-DNA; Involved in the cellular defense against the biological effects of O6-methylguanine (O6-MeG) and O4-methylthymine (O4-MeT) in DNA. Repairs the methylated nucleobase in DNA by stoichiometrically transferring the methyl group to a cysteine residue in the enzyme. This is a suicide reaction: the enzyme is irreversibly inactivated. | 0.496 |
| ydaL | rsd | STM1658 | STM4165 | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | Regulator of sigma D; Binds RpoD and negatively regulates RpoD-mediated transcription activation by preventing the interaction between the primary sigma factor RpoD with the catalytic core of the RNA polymerase and with promoter DNA. May be involved in replacement of the RNA polymerase sigma subunit from RpoD to RpoS during the transition from exponential growth to the stationary phase. | 0.460 |
| ydaL | yfcN | STM1658 | STM2386 | Putative Smr domain protein; Similar to E. coli orf, hypothetical protein (AAC74422.1); Blastp hit to AAC74422.1 (187 aa), 86% identity in aa 1 - 187. | Putative Smr domain containing protein; Similar to E. coli orf, hypothetical protein (AAC75391.1); Blastp hit to AAC75391.1 (183 aa), 93% identity in aa 1 - 183; Belongs to the UPF0115 family. | 0.627 |
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