node1 | node2 | node1 accession | node2 accession | node1 annotation | node2 annotation | score |
galR | lacI | b2837 | b0345 | Galactose-inducible d-galactose regulon transcriptional repressor; Repressor of the galactose operon. Binds galactose as an inducer. | Lactose-inducible lac operon transcriptional repressor; Repressor of the lactose operon. Binds allolactose as an inducer. | 0.696 |
glpE | pspE | b3425 | b1308 | Thiosulfate:cyanide sulfurtransferase (rhodanese); Catalyzes, although with low efficiency, the sulfur transfer reaction from thiosulfate to cyanide. The relatively low affinity of GlpE for both thiosulfate and cyanide suggests that these compounds are not the physiological substrates. Thioredoxin 1 or related dithiol proteins could instead be the physiological sulfur-acceptor substrate. Possible association with the metabolism of glycerol-phosphate remains to be elucidated. | Thiosulfate:cyanide sulfurtransferase (rhodanese); The phage shock protein (psp) operon (pspABCDE) may play a significant role in the competition for survival under nutrient- or energy-limited conditions. PspE catalyzes the sulfur-transfer reaction from thiosulfate to cyanide, to form sulfite and thiocyanate. Also able to use dithiol (dithiothreitol) as an alternate sulfur acceptor. Also possesses a very low mercaptopyruvate sulfurtransferase activity. | 0.864 |
glpE | sseA | b3425 | b2521 | Thiosulfate:cyanide sulfurtransferase (rhodanese); Catalyzes, although with low efficiency, the sulfur transfer reaction from thiosulfate to cyanide. The relatively low affinity of GlpE for both thiosulfate and cyanide suggests that these compounds are not the physiological substrates. Thioredoxin 1 or related dithiol proteins could instead be the physiological sulfur-acceptor substrate. Possible association with the metabolism of glycerol-phosphate remains to be elucidated. | 3-mercaptopyruvate sulfurtransferase; Transfers a sulfur ion to cyanide or to other thiol compounds. Also has weak rhodanese activity (130-fold lower). Its participation in detoxification of cyanide may be small. May be involved in the enhancement of serine sensitivity. | 0.976 |
glpE | ydhU | b3425 | b1670 | Thiosulfate:cyanide sulfurtransferase (rhodanese); Catalyzes, although with low efficiency, the sulfur transfer reaction from thiosulfate to cyanide. The relatively low affinity of GlpE for both thiosulfate and cyanide suggests that these compounds are not the physiological substrates. Thioredoxin 1 or related dithiol proteins could instead be the physiological sulfur-acceptor substrate. Possible association with the metabolism of glycerol-phosphate remains to be elucidated. | Putative cytochrome b subunit of YdhYVWXUT oxidoreductase complex. | 0.908 |
lacI | galR | b0345 | b2837 | Lactose-inducible lac operon transcriptional repressor; Repressor of the lactose operon. Binds allolactose as an inducer. | Galactose-inducible d-galactose regulon transcriptional repressor; Repressor of the galactose operon. Binds galactose as an inducer. | 0.696 |
lacI | mdfA | b0345 | b0842 | Lactose-inducible lac operon transcriptional repressor; Repressor of the lactose operon. Binds allolactose as an inducer. | Multidrug efflux system protein; Efflux pump driven by the proton motive force. Confers resistance to a broad spectrum of chemically unrelated drugs. Confers resistance to a diverse group of cationic or zwitterionic lipophilic compounds such as ethidium bromide, tetraphenylphosphonium, rhodamine, daunomycin, benzalkonium, rifampicin, tetracycline, puromycin, and to chemically unrelated, clinically important antibiotics such as chloramphenicol, erythromycin, and certain aminoglycosides and fluoroquinolones. Overexpression results in isopropyl-beta-D- thiogalactopyranoside (IPTG) exclusi [...] | 0.476 |
lacI | ycjU | b0345 | b1317 | Lactose-inducible lac operon transcriptional repressor; Repressor of the lactose operon. Binds allolactose as an inducer. | Beta-phosphoglucomutase; Catalyzes the conversion of beta D-glucose 1-phosphate (G1P) to D-glucose 6-phosphate (G6P), forming beta-D-glucose 1,6- (bis)phosphate (beta-G16P) as an intermediate (Probable). Phosphatase activity with the reaction intermediate beta-G16P has been measured. In vitro interconverts beta D-glucose 1-phosphate, beta-D-allose 1-phosphate, beta-D-galactose 1-phosphate and beta-D-mannose 1-phosphate to their corresponding sugar 6-phosphate product. The beta-D-glucose 1-phosphate substrate may be furnished by YcjT (AC P77154), the apparent upstream enzyme in the put [...] | 0.479 |
lacI | ycjW | b0345 | b1320 | Lactose-inducible lac operon transcriptional repressor; Repressor of the lactose operon. Binds allolactose as an inducer. | Putative LACI-type transcriptional regulator; Protein involved in transcription repressor activity and transcription. | 0.412 |
mdfA | lacI | b0842 | b0345 | Multidrug efflux system protein; Efflux pump driven by the proton motive force. Confers resistance to a broad spectrum of chemically unrelated drugs. Confers resistance to a diverse group of cationic or zwitterionic lipophilic compounds such as ethidium bromide, tetraphenylphosphonium, rhodamine, daunomycin, benzalkonium, rifampicin, tetracycline, puromycin, and to chemically unrelated, clinically important antibiotics such as chloramphenicol, erythromycin, and certain aminoglycosides and fluoroquinolones. Overexpression results in isopropyl-beta-D- thiogalactopyranoside (IPTG) exclusi [...] | Lactose-inducible lac operon transcriptional repressor; Repressor of the lactose operon. Binds allolactose as an inducer. | 0.476 |
narP | nrfA | b2193 | b4070 | Response regulator in two-component regulatory system with NarQ; This protein activates the expression of the nitrate reductase (narGHJI) and formate dehydrogenase-N (fdnGHI) operons and represses the transcription of the fumarate reductase (frdABCD) operon in response to a nitrate/nitrite induction signal transmitted by either the NarX or NarQ proteins. | Nitrite reductase, formate-dependent, cytochrome; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine. Has even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH (By similarity). | 0.786 |
nrfA | narP | b4070 | b2193 | Nitrite reductase, formate-dependent, cytochrome; Catalyzes the reduction of nitrite to ammonia, consuming six electrons in the process. Has very low activity toward hydroxylamine. Has even lower activity toward sulfite. Sulfite reductase activity is maximal at neutral pH (By similarity). | Response regulator in two-component regulatory system with NarQ; This protein activates the expression of the nitrate reductase (narGHJI) and formate dehydrogenase-N (fdnGHI) operons and represses the transcription of the fumarate reductase (frdABCD) operon in response to a nitrate/nitrite induction signal transmitted by either the NarX or NarQ proteins. | 0.786 |
ompG | ycjM | b1319 | b1309 | Outer membrane porin G; Forms channels functionally larger than those of classical porins. | Alpha amylase catalytic domain family protein; Catalyzes the reversible phosphorolysis of glucosylglycerate into alpha-D-glucose 1-phosphate (Glc1P) and D-glycerate (also called (R)-glycerate). May be a regulator of intracellular levels of glucosylglycerate, a compatible solute that primarily protects organisms facing salt stress and very specific nutritional constraints. Cannot catalyze the phosphorolysis of sucrose. Does not act on other sugars such as alpha-D-galactose 1-phosphate, alpha-D-mannose 1- phosphate or beta-D-glucose 1-phosphate; in vitro D-erythronate can substitue for D [...] | 0.740 |
ompG | ycjT | b1319 | b1316 | Outer membrane porin G; Forms channels functionally larger than those of classical porins. | Putative family 65 glycosyl hydrolase; In vitro catalyzes the phosphorolysis of D-kojibiose into beta-D-glucose 1-phosphate and D-glucose. No other disaccharides tested substitute for D-kojibiose. In the reverse direction disaccharides can be formed from beta-D-glucose 1-phosphate plus D-glucose, L-sorbose, D- sorbitol, L-iditol or 1,5-anhydro-D-glucitol, but with low efficiency. The beta-D-glucose 1-phosphate product is the substrate for YcjU (AC P77366), the next apparent enzyme in the putative biochemical pathway encoded in this locus (yjcM to ycjW). | 0.827 |
ompG | ycjU | b1319 | b1317 | Outer membrane porin G; Forms channels functionally larger than those of classical porins. | Beta-phosphoglucomutase; Catalyzes the conversion of beta D-glucose 1-phosphate (G1P) to D-glucose 6-phosphate (G6P), forming beta-D-glucose 1,6- (bis)phosphate (beta-G16P) as an intermediate (Probable). Phosphatase activity with the reaction intermediate beta-G16P has been measured. In vitro interconverts beta D-glucose 1-phosphate, beta-D-allose 1-phosphate, beta-D-galactose 1-phosphate and beta-D-mannose 1-phosphate to their corresponding sugar 6-phosphate product. The beta-D-glucose 1-phosphate substrate may be furnished by YcjT (AC P77154), the apparent upstream enzyme in the put [...] | 0.635 |
ompG | ycjW | b1319 | b1320 | Outer membrane porin G; Forms channels functionally larger than those of classical porins. | Putative LACI-type transcriptional regulator; Protein involved in transcription repressor activity and transcription. | 0.754 |
pspA | pspE | b1304 | b1308 | Regulatory protein for phage-shock-protein operon; The phage shock protein (psp) operon (pspABCDE) may play a significant role in the competition for survival under nutrient- or energy-limited conditions. PspA negatively regulates expression of the pspABCDE promoter and of pspG through negative regulation of the psp- specific transcriptional activator PspF. Is also required for membrane integrity, efficient translocation and maintenance of the proton motive force. Belongs to the PspA/IM30 family. | Thiosulfate:cyanide sulfurtransferase (rhodanese); The phage shock protein (psp) operon (pspABCDE) may play a significant role in the competition for survival under nutrient- or energy-limited conditions. PspE catalyzes the sulfur-transfer reaction from thiosulfate to cyanide, to form sulfite and thiocyanate. Also able to use dithiol (dithiothreitol) as an alternate sulfur acceptor. Also possesses a very low mercaptopyruvate sulfurtransferase activity. | 0.857 |
pspA | pspF | b1304 | b1303 | Regulatory protein for phage-shock-protein operon; The phage shock protein (psp) operon (pspABCDE) may play a significant role in the competition for survival under nutrient- or energy-limited conditions. PspA negatively regulates expression of the pspABCDE promoter and of pspG through negative regulation of the psp- specific transcriptional activator PspF. Is also required for membrane integrity, efficient translocation and maintenance of the proton motive force. Belongs to the PspA/IM30 family. | Psp operon transcriptional activator; Transcriptional activator for the phage shock protein (psp) operon (pspABCDE) and pspG gene. | 0.999 |
pspE | glpE | b1308 | b3425 | Thiosulfate:cyanide sulfurtransferase (rhodanese); The phage shock protein (psp) operon (pspABCDE) may play a significant role in the competition for survival under nutrient- or energy-limited conditions. PspE catalyzes the sulfur-transfer reaction from thiosulfate to cyanide, to form sulfite and thiocyanate. Also able to use dithiol (dithiothreitol) as an alternate sulfur acceptor. Also possesses a very low mercaptopyruvate sulfurtransferase activity. | Thiosulfate:cyanide sulfurtransferase (rhodanese); Catalyzes, although with low efficiency, the sulfur transfer reaction from thiosulfate to cyanide. The relatively low affinity of GlpE for both thiosulfate and cyanide suggests that these compounds are not the physiological substrates. Thioredoxin 1 or related dithiol proteins could instead be the physiological sulfur-acceptor substrate. Possible association with the metabolism of glycerol-phosphate remains to be elucidated. | 0.864 |
pspE | pspA | b1308 | b1304 | Thiosulfate:cyanide sulfurtransferase (rhodanese); The phage shock protein (psp) operon (pspABCDE) may play a significant role in the competition for survival under nutrient- or energy-limited conditions. PspE catalyzes the sulfur-transfer reaction from thiosulfate to cyanide, to form sulfite and thiocyanate. Also able to use dithiol (dithiothreitol) as an alternate sulfur acceptor. Also possesses a very low mercaptopyruvate sulfurtransferase activity. | Regulatory protein for phage-shock-protein operon; The phage shock protein (psp) operon (pspABCDE) may play a significant role in the competition for survival under nutrient- or energy-limited conditions. PspA negatively regulates expression of the pspABCDE promoter and of pspG through negative regulation of the psp- specific transcriptional activator PspF. Is also required for membrane integrity, efficient translocation and maintenance of the proton motive force. Belongs to the PspA/IM30 family. | 0.857 |
pspE | pspF | b1308 | b1303 | Thiosulfate:cyanide sulfurtransferase (rhodanese); The phage shock protein (psp) operon (pspABCDE) may play a significant role in the competition for survival under nutrient- or energy-limited conditions. PspE catalyzes the sulfur-transfer reaction from thiosulfate to cyanide, to form sulfite and thiocyanate. Also able to use dithiol (dithiothreitol) as an alternate sulfur acceptor. Also possesses a very low mercaptopyruvate sulfurtransferase activity. | Psp operon transcriptional activator; Transcriptional activator for the phage shock protein (psp) operon (pspABCDE) and pspG gene. | 0.790 |