node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
ccdA | ndoA | BSU17930 | BSU04660 | Cytochrome c-type biogenesis protein CcdA; Required for cytochrome c synthesis and stage V of sporulation. Might transfer reducing equivalents across the cytoplasmic membrane, promoting efficient disulfide bond isomerization of proteins localized on the outer surface of the membrane or in the spore coat. | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | 0.891 |
ccdA | ndoAI | BSU17930 | BSU04650 | Cytochrome c-type biogenesis protein CcdA; Required for cytochrome c synthesis and stage V of sporulation. Might transfer reducing equivalents across the cytoplasmic membrane, promoting efficient disulfide bond isomerization of proteins localized on the outer surface of the membrane or in the spore coat. | Antitoxin EndoAI; Antitoxin component of a type II toxin-antitoxin (TA) system. Antitoxin that directly inhibits activity of EndoA in vitro. Upon expression in E.coli counteracts inhibitory effect of endoribonuclease EndoA. The EndoA-EndoAI complex does not seem to bind its own promoter. | 0.681 |
ccdA | parE | BSU17930 | BSU18090 | Cytochrome c-type biogenesis protein CcdA; Required for cytochrome c synthesis and stage V of sporulation. Might transfer reducing equivalents across the cytoplasmic membrane, promoting efficient disulfide bond isomerization of proteins localized on the outer surface of the membrane or in the spore coat. | Subunit B of DNA topoisomerase IV; Topoisomerase IV is essential for chromosome segregation. It relaxes supercoiled DNA. Performs the decatenation events required during the replication of a circular DNA molecule; Belongs to the type II topoisomerase family. ParE type 2 subfamily. | 0.907 |
ccdA | yneI | BSU17930 | BSU17940 | Cytochrome c-type biogenesis protein CcdA; Required for cytochrome c synthesis and stage V of sporulation. Might transfer reducing equivalents across the cytoplasmic membrane, promoting efficient disulfide bond isomerization of proteins localized on the outer surface of the membrane or in the spore coat. | Putative response regulator (CheY homolog); Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; putative regulator. | 0.995 |
mrpC | ndoA | BSU31620 | BSU04660 | Component of Na+/H+ antiporter; Mrp complex is a Na(+)/H(+) antiporter that is considered to be the major Na(+) excretion system in B.subtilis. Has a major role in Na(+) resistance and a minor role in Na(+)- and K(+)-dependent pH homeostasis as compared to TetB. MrpA may be the actual Na(+)/H(+) antiporter, although the six other Mrp proteins are all required for Na(+)/H(+) antiport activity and Na(+) resistance. MrpA is required for initiation of sporulation when external Na(+) concentration increases. Also transports Li(+) but not K(+), Ca(2+) or Mg(2+). Belongs to the CPA3 antiporte [...] | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | 0.847 |
ndoA | ccdA | BSU04660 | BSU17930 | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | Cytochrome c-type biogenesis protein CcdA; Required for cytochrome c synthesis and stage V of sporulation. Might transfer reducing equivalents across the cytoplasmic membrane, promoting efficient disulfide bond isomerization of proteins localized on the outer surface of the membrane or in the spore coat. | 0.891 |
ndoA | mrpC | BSU04660 | BSU31620 | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | Component of Na+/H+ antiporter; Mrp complex is a Na(+)/H(+) antiporter that is considered to be the major Na(+) excretion system in B.subtilis. Has a major role in Na(+) resistance and a minor role in Na(+)- and K(+)-dependent pH homeostasis as compared to TetB. MrpA may be the actual Na(+)/H(+) antiporter, although the six other Mrp proteins are all required for Na(+)/H(+) antiport activity and Na(+) resistance. MrpA is required for initiation of sporulation when external Na(+) concentration increases. Also transports Li(+) but not K(+), Ca(2+) or Mg(2+). Belongs to the CPA3 antiporte [...] | 0.847 |
ndoA | ndoAI | BSU04660 | BSU04650 | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | Antitoxin EndoAI; Antitoxin component of a type II toxin-antitoxin (TA) system. Antitoxin that directly inhibits activity of EndoA in vitro. Upon expression in E.coli counteracts inhibitory effect of endoribonuclease EndoA. The EndoA-EndoAI complex does not seem to bind its own promoter. | 0.999 |
ndoA | parE | BSU04660 | BSU18090 | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | Subunit B of DNA topoisomerase IV; Topoisomerase IV is essential for chromosome segregation. It relaxes supercoiled DNA. Performs the decatenation events required during the replication of a circular DNA molecule; Belongs to the type II topoisomerase family. ParE type 2 subfamily. | 0.930 |
ndoA | spoIISA | BSU04660 | BSU12830 | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | Two-component apoptosis factor (toxin/antitoxin system); Toxic component of a type II toxin-antitoxin (TA) system. Its toxic activity is neutralized by cognate antitoxin SpoIISB. Expression in the absence of SpoIISB permits sporulation to stage II, when plasmolysis zones and holes in the peptidoglycan layer are observed, resulting in cell death. Lethal when synthesized during vegetative growth in the absence of SpoIISB. In E.coli both the membrane bound and soluble domain are required in cis for toxin activity. | 0.709 |
ndoA | spoVT | BSU04660 | BSU00560 | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | Transcriptional regulator; Transcriptional factor that regulates positively or negatively the expression of a large number of forespore-specific sigma G-dependent genes. May provide a mechanism of feedback control that is important for forespore development. SpoVT levels during spore formation have a major impact on the germination and the resistance of the resultant spores. To B.subtilis AbrB and Abh. | 0.712 |
ndoA | txpA | BSU04660 | BSU26050 | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | Conserved unknown protein (fragment); Toxic component of a type I toxin-antitoxin (TA) system. Overexpression of txpA causes cell lysis; the TxpA protein has been suggested to act on the cell membrane or might possibly block cell wall synthesis. Overexpression in E.coli is not toxic. | 0.681 |
ndoA | upp | BSU04660 | BSU36890 | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | Uracil phosphoribosyltransferase; Catalyzes the conversion of uracil and 5-phospho-alpha-D- ribose 1-diphosphate (PRPP) to UMP and diphosphate. | 0.796 |
ndoA | yneI | BSU04660 | BSU17940 | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | Putative response regulator (CheY homolog); Evidence 3: Function proposed based on presence of conserved amino acid motif, structural feature or limited homology; putative regulator. | 0.980 |
ndoA | yonO | BSU04660 | BSU21040 | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | Conserved hypothetical protein; A single subunit DNA-dependent RNA polymerase (RNAP) that catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates (rNTPs) as substrates. The enzyme is more highly processive than the multisubunit RNAP from E.coli but is considerably more error-prone. It has no detectable proof-reading function but can perform pyrophosphorolysis. Transcribes the late genes of the SPbeta prophage starting from yonK (approximately 35 genes are encoded in the prophage downstream from yonK). | 0.689 |
ndoAI | ccdA | BSU04650 | BSU17930 | Antitoxin EndoAI; Antitoxin component of a type II toxin-antitoxin (TA) system. Antitoxin that directly inhibits activity of EndoA in vitro. Upon expression in E.coli counteracts inhibitory effect of endoribonuclease EndoA. The EndoA-EndoAI complex does not seem to bind its own promoter. | Cytochrome c-type biogenesis protein CcdA; Required for cytochrome c synthesis and stage V of sporulation. Might transfer reducing equivalents across the cytoplasmic membrane, promoting efficient disulfide bond isomerization of proteins localized on the outer surface of the membrane or in the spore coat. | 0.681 |
ndoAI | ndoA | BSU04650 | BSU04660 | Antitoxin EndoAI; Antitoxin component of a type II toxin-antitoxin (TA) system. Antitoxin that directly inhibits activity of EndoA in vitro. Upon expression in E.coli counteracts inhibitory effect of endoribonuclease EndoA. The EndoA-EndoAI complex does not seem to bind its own promoter. | Endoribonuclease toxin; Toxic component of a type II toxin-antitoxin (TA) system. Specific for 5'-UACAU-3' sequences, cleaving after the first U. Yields cleavage products with 3' phosphate and 5' hydroxyl groups. Cannot digest substrate with a UUdUACAUAA cleavage site. Overexpression is toxic for cell growth (shown in E.coli), probably by inhibiting protein synthesis through the cleavage of single-stranded RNA. The toxicity is reversed by the antitoxin EndoAI. Toxin activity cannot be inhibited by MazE from E.coli. The EndoA-EndoAI complex does not seem to bind its own promoter. | 0.999 |
ndoAI | parE | BSU04650 | BSU18090 | Antitoxin EndoAI; Antitoxin component of a type II toxin-antitoxin (TA) system. Antitoxin that directly inhibits activity of EndoA in vitro. Upon expression in E.coli counteracts inhibitory effect of endoribonuclease EndoA. The EndoA-EndoAI complex does not seem to bind its own promoter. | Subunit B of DNA topoisomerase IV; Topoisomerase IV is essential for chromosome segregation. It relaxes supercoiled DNA. Performs the decatenation events required during the replication of a circular DNA molecule; Belongs to the type II topoisomerase family. ParE type 2 subfamily. | 0.480 |
ndoAI | spoIISA | BSU04650 | BSU12830 | Antitoxin EndoAI; Antitoxin component of a type II toxin-antitoxin (TA) system. Antitoxin that directly inhibits activity of EndoA in vitro. Upon expression in E.coli counteracts inhibitory effect of endoribonuclease EndoA. The EndoA-EndoAI complex does not seem to bind its own promoter. | Two-component apoptosis factor (toxin/antitoxin system); Toxic component of a type II toxin-antitoxin (TA) system. Its toxic activity is neutralized by cognate antitoxin SpoIISB. Expression in the absence of SpoIISB permits sporulation to stage II, when plasmolysis zones and holes in the peptidoglycan layer are observed, resulting in cell death. Lethal when synthesized during vegetative growth in the absence of SpoIISB. In E.coli both the membrane bound and soluble domain are required in cis for toxin activity. | 0.775 |
ndoAI | spoVT | BSU04650 | BSU00560 | Antitoxin EndoAI; Antitoxin component of a type II toxin-antitoxin (TA) system. Antitoxin that directly inhibits activity of EndoA in vitro. Upon expression in E.coli counteracts inhibitory effect of endoribonuclease EndoA. The EndoA-EndoAI complex does not seem to bind its own promoter. | Transcriptional regulator; Transcriptional factor that regulates positively or negatively the expression of a large number of forespore-specific sigma G-dependent genes. May provide a mechanism of feedback control that is important for forespore development. SpoVT levels during spore formation have a major impact on the germination and the resistance of the resultant spores. To B.subtilis AbrB and Abh. | 0.845 |