| node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
| hcr | hmpA | STM0936 | STM2556 | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | Dihydropteridine reductase 2; Is involved in NO detoxification in an aerobic process, termed nitric oxide dioxygenase (NOD) reaction that utilizes O(2) and NAD(P)H to convert NO to nitrate, which protects the bacterium from various noxious nitrogen compounds. Therefore, plays a central role in the inducible response to nitrosative stress. Belongs to the globin family. Two-domain flavohemoproteins subfamily. | 0.629 |
| hcr | nifS | STM0936 | STM2543 | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | Putative aminotransferase class-V; Master enzyme that delivers sulfur to a number of partners involved in Fe-S cluster assembly, tRNA modification or cofactor biosynthesis. Catalyzes the removal of elemental sulfur and selenium atoms from cysteine and selenocysteine to produce alanine. Functions as a sulfur delivery protein for Fe-S cluster synthesis onto IscU, an Fe-S scaffold assembly protein, as well as other S acceptor proteins. Also functions as a selenium delivery protein in the pathway for the biosynthesis of selenophosphate; Belongs to the class-V pyridoxal-phosphate-dependent [...] | 0.615 |
| hcr | norV | STM0936 | STM2840 | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | Putative flavoprotein; Anaerobic nitric oxide reductase; uses NADH to detoxify nitric oxide (NO), protecting several 4Fe-4S NO-sensitive enzymes. Has at least 2 reductase partners, only one of which (NorW, flavorubredoxin reductase) has been identified. NO probably binds to the di-iron center; electrons enter from the NorW at rubredoxin and are transferred sequentially to the FMN center and the di-iron center. Also able to function as an aerobic oxygen reductase; In the N-terminal section; belongs to the zinc metallo- hydrolase group 3 family. | 0.473 |
| hcr | nrfA | STM0936 | STM4277 | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | Nitrite reductase periplasmic cytochrome c(552); Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process; Belongs to the cytochrome c-552 family. | 0.517 |
| hcr | ygaA | STM0936 | STM2839 | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | Putative EBP family regulator; Required for the expression of anaerobic nitric oxide (NO) reductase, acts as a transcriptional activator for at least the norVW operon. Activation also requires sigma-54. | 0.482 |
| hcr | ygbA | STM0936 | STM2860 | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | Putative cytoplasmic protein; Similar to E. coli orf, hypothetical protein (AAC75774.1); Blastp hit to AAC75774.1 (117 aa), 86% identity in aa 1 - 114. | 0.853 |
| hcr | yjeB | STM0936 | STM4367 | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | Putative negative regulator; Nitric oxide-sensitive repressor of genes involved in protecting the cell against nitrosative stress. May require iron for activity. Represses hmp expression under conditions of elevated intracellular iron concentrations, in the absence of nitric oxide. | 0.861 |
| hcr | ytfE | STM0936 | STM4399 | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | Putative cell morphogenesis; Di-iron-containing protein involved in the repair of iron- sulfur clusters damaged by oxidative and nitrosative stress conditions. | 0.953 |
| hmpA | hcr | STM2556 | STM0936 | Dihydropteridine reductase 2; Is involved in NO detoxification in an aerobic process, termed nitric oxide dioxygenase (NOD) reaction that utilizes O(2) and NAD(P)H to convert NO to nitrate, which protects the bacterium from various noxious nitrogen compounds. Therefore, plays a central role in the inducible response to nitrosative stress. Belongs to the globin family. Two-domain flavohemoproteins subfamily. | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | 0.629 |
| hmpA | norV | STM2556 | STM2840 | Dihydropteridine reductase 2; Is involved in NO detoxification in an aerobic process, termed nitric oxide dioxygenase (NOD) reaction that utilizes O(2) and NAD(P)H to convert NO to nitrate, which protects the bacterium from various noxious nitrogen compounds. Therefore, plays a central role in the inducible response to nitrosative stress. Belongs to the globin family. Two-domain flavohemoproteins subfamily. | Putative flavoprotein; Anaerobic nitric oxide reductase; uses NADH to detoxify nitric oxide (NO), protecting several 4Fe-4S NO-sensitive enzymes. Has at least 2 reductase partners, only one of which (NorW, flavorubredoxin reductase) has been identified. NO probably binds to the di-iron center; electrons enter from the NorW at rubredoxin and are transferred sequentially to the FMN center and the di-iron center. Also able to function as an aerobic oxygen reductase; In the N-terminal section; belongs to the zinc metallo- hydrolase group 3 family. | 0.972 |
| hmpA | nrfA | STM2556 | STM4277 | Dihydropteridine reductase 2; Is involved in NO detoxification in an aerobic process, termed nitric oxide dioxygenase (NOD) reaction that utilizes O(2) and NAD(P)H to convert NO to nitrate, which protects the bacterium from various noxious nitrogen compounds. Therefore, plays a central role in the inducible response to nitrosative stress. Belongs to the globin family. Two-domain flavohemoproteins subfamily. | Nitrite reductase periplasmic cytochrome c(552); Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process; Belongs to the cytochrome c-552 family. | 0.913 |
| hmpA | soxR | STM2556 | STM4266 | Dihydropteridine reductase 2; Is involved in NO detoxification in an aerobic process, termed nitric oxide dioxygenase (NOD) reaction that utilizes O(2) and NAD(P)H to convert NO to nitrate, which protects the bacterium from various noxious nitrogen compounds. Therefore, plays a central role in the inducible response to nitrosative stress. Belongs to the globin family. Two-domain flavohemoproteins subfamily. | Redox-sensing transcriptional activator SoxR; Activates the transcription of the soxS gene which itself controls the superoxide response regulon. SoxR contains a 2Fe-2S iron- sulfur cluster that may act as a redox sensor system that recognizes superoxide. The variable redox state of the Fe-S cluster is employed in vivo to modulate the transcriptional activity of SoxR in response to specific types of oxidative stress (By similarity). | 0.538 |
| hmpA | ygaA | STM2556 | STM2839 | Dihydropteridine reductase 2; Is involved in NO detoxification in an aerobic process, termed nitric oxide dioxygenase (NOD) reaction that utilizes O(2) and NAD(P)H to convert NO to nitrate, which protects the bacterium from various noxious nitrogen compounds. Therefore, plays a central role in the inducible response to nitrosative stress. Belongs to the globin family. Two-domain flavohemoproteins subfamily. | Putative EBP family regulator; Required for the expression of anaerobic nitric oxide (NO) reductase, acts as a transcriptional activator for at least the norVW operon. Activation also requires sigma-54. | 0.932 |
| hmpA | ygbA | STM2556 | STM2860 | Dihydropteridine reductase 2; Is involved in NO detoxification in an aerobic process, termed nitric oxide dioxygenase (NOD) reaction that utilizes O(2) and NAD(P)H to convert NO to nitrate, which protects the bacterium from various noxious nitrogen compounds. Therefore, plays a central role in the inducible response to nitrosative stress. Belongs to the globin family. Two-domain flavohemoproteins subfamily. | Putative cytoplasmic protein; Similar to E. coli orf, hypothetical protein (AAC75774.1); Blastp hit to AAC75774.1 (117 aa), 86% identity in aa 1 - 114. | 0.728 |
| hmpA | yjeB | STM2556 | STM4367 | Dihydropteridine reductase 2; Is involved in NO detoxification in an aerobic process, termed nitric oxide dioxygenase (NOD) reaction that utilizes O(2) and NAD(P)H to convert NO to nitrate, which protects the bacterium from various noxious nitrogen compounds. Therefore, plays a central role in the inducible response to nitrosative stress. Belongs to the globin family. Two-domain flavohemoproteins subfamily. | Putative negative regulator; Nitric oxide-sensitive repressor of genes involved in protecting the cell against nitrosative stress. May require iron for activity. Represses hmp expression under conditions of elevated intracellular iron concentrations, in the absence of nitric oxide. | 0.987 |
| hmpA | ytfE | STM2556 | STM4399 | Dihydropteridine reductase 2; Is involved in NO detoxification in an aerobic process, termed nitric oxide dioxygenase (NOD) reaction that utilizes O(2) and NAD(P)H to convert NO to nitrate, which protects the bacterium from various noxious nitrogen compounds. Therefore, plays a central role in the inducible response to nitrosative stress. Belongs to the globin family. Two-domain flavohemoproteins subfamily. | Putative cell morphogenesis; Di-iron-containing protein involved in the repair of iron- sulfur clusters damaged by oxidative and nitrosative stress conditions. | 0.995 |
| nifS | hcr | STM2543 | STM0936 | Putative aminotransferase class-V; Master enzyme that delivers sulfur to a number of partners involved in Fe-S cluster assembly, tRNA modification or cofactor biosynthesis. Catalyzes the removal of elemental sulfur and selenium atoms from cysteine and selenocysteine to produce alanine. Functions as a sulfur delivery protein for Fe-S cluster synthesis onto IscU, an Fe-S scaffold assembly protein, as well as other S acceptor proteins. Also functions as a selenium delivery protein in the pathway for the biosynthesis of selenophosphate; Belongs to the class-V pyridoxal-phosphate-dependent [...] | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | 0.615 |
| nifS | yjeB | STM2543 | STM4367 | Putative aminotransferase class-V; Master enzyme that delivers sulfur to a number of partners involved in Fe-S cluster assembly, tRNA modification or cofactor biosynthesis. Catalyzes the removal of elemental sulfur and selenium atoms from cysteine and selenocysteine to produce alanine. Functions as a sulfur delivery protein for Fe-S cluster synthesis onto IscU, an Fe-S scaffold assembly protein, as well as other S acceptor proteins. Also functions as a selenium delivery protein in the pathway for the biosynthesis of selenophosphate; Belongs to the class-V pyridoxal-phosphate-dependent [...] | Putative negative regulator; Nitric oxide-sensitive repressor of genes involved in protecting the cell against nitrosative stress. May require iron for activity. Represses hmp expression under conditions of elevated intracellular iron concentrations, in the absence of nitric oxide. | 0.746 |
| nifS | ytfE | STM2543 | STM4399 | Putative aminotransferase class-V; Master enzyme that delivers sulfur to a number of partners involved in Fe-S cluster assembly, tRNA modification or cofactor biosynthesis. Catalyzes the removal of elemental sulfur and selenium atoms from cysteine and selenocysteine to produce alanine. Functions as a sulfur delivery protein for Fe-S cluster synthesis onto IscU, an Fe-S scaffold assembly protein, as well as other S acceptor proteins. Also functions as a selenium delivery protein in the pathway for the biosynthesis of selenophosphate; Belongs to the class-V pyridoxal-phosphate-dependent [...] | Putative cell morphogenesis; Di-iron-containing protein involved in the repair of iron- sulfur clusters damaged by oxidative and nitrosative stress conditions. | 0.453 |
| norV | hcr | STM2840 | STM0936 | Putative flavoprotein; Anaerobic nitric oxide reductase; uses NADH to detoxify nitric oxide (NO), protecting several 4Fe-4S NO-sensitive enzymes. Has at least 2 reductase partners, only one of which (NorW, flavorubredoxin reductase) has been identified. NO probably binds to the di-iron center; electrons enter from the NorW at rubredoxin and are transferred sequentially to the FMN center and the di-iron center. Also able to function as an aerobic oxygen reductase; In the N-terminal section; belongs to the zinc metallo- hydrolase group 3 family. | NADH oxidoreductase for hcp gene product; Similar to E. coli putative enzyme (AAC73959.1); Blastp hit to AAC73959.1 (322 aa), 90% identity in aa 1 - 322. | 0.473 |
