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ydhX ydhX hyaA hyaA ydhT ydhT nrfA nrfA hcr hcr ccmA ccmA norW norW cysG cysG hyaE hyaE nirD nirD nirB nirB ccmE ccmE napC napC ccmH ccmH napA napA aphA aphA ccmF ccmF ydhV ydhV napB napB nrfF nrfF ydhY ydhY napF napF napG napG fdhF fdhF fdnI fdnI fdnG fdnG norV norV nrfD nrfD hyaF hyaF ydhW ydhW nrfG nrfG nrfC nrfC hyaC hyaC hcp hcp ccmB ccmB ccmC ccmC nirC nirC dsbE dsbE fdnH fdnH nrfB nrfB hyaB hyaB napD napD ytfE ytfE yeaR yeaR nrfE nrfE ydhU ydhU hyaD hyaD yoaG yoaG napH napH ccmD ccmD
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query proteins and first shell of interactors
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second shell of interactors
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proteins of unknown 3D structure
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ydhXPutative 4Fe-4S ferridoxin-type protein; Putative oxidoreductase, Fe-S subunit. (222 aa)
hyaAHydrogenase 1, small subunit; This is one of three E.coli hydrogenases synthesized in response to different physiological conditions. HYD1 is believed to have a role in hydrogen cycling during fermentative growth; Belongs to the [NiFe]/[NiFeSe] hydrogenase small subunit family. (372 aa)
ydhTFNR, Nar, NarP-regulated protein; putative subunit of YdhYVWXUT oxidoreductase complex. (270 aa)
nrfANitrite 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). (478 aa)
hcrHCP oxidoreductase, NADH-dependent; NADH oxidoreductase acting in concert with HCP. (322 aa)
ccmAHeme export ABC transporter ATPase; Part of the ABC transporter complex CcmAB involved in the biogenesis of c-type cytochromes; once thought to export heme, this seems not to be the case, but its exact role is uncertain. Responsible for energy coupling to the transport system. (207 aa)
norWNADH:flavorubredoxin oxidoreductase; One of at least two accessory proteins for anaerobic nitric oxide (NO) reductase. Reduces the rubredoxin moiety of NO reductase; Belongs to the FAD-dependent oxidoreductase family. (377 aa)
cysGUroporphyrinogen-III C-methyltransferase; Multifunctional enzyme that catalyzes the SAM-dependent methylations of uroporphyrinogen III at position C-2 and C-7 to form precorrin-2 via precorrin-1. Then it catalyzes the NAD-dependent ring dehydrogenation of precorrin-2 to yield sirohydrochlorin. Finally, it catalyzes the ferrochelation of sirohydrochlorin to yield siroheme. In the N-terminal section; belongs to the precorrin-2 dehydrogenase / sirohydrochlorin ferrochelatase family. (457 aa)
hyaEPutative HyaA chaperone; Not known. Could form, along with HyaD, a complex involved in the processing of the hydrogenase 1 structural operon. (132 aa)
nirDNitrite reductase (NADH) small subunit; Required for activity of the reductase. To B.subtilis NasE. (108 aa)
nirBNitrite reductase, large subunit, NAD(P)H-binding; Nitrite reductase (NAD(P)H) subunit; Protein involved in anaerobic respiration; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. (847 aa)
ccmEPeriplasmic heme chaperone; Heme chaperone required for the biogenesis of c-type cytochromes. Transiently binds heme delivered by CcmC and transfers the heme to apo-cytochromes in a process facilitated by CcmF and CcmH; Belongs to the CcmE/CycJ family. (159 aa)
napCQuinol dehydrogenase, electron source for NapAB; Mediates electron flow from quinones to the NapAB complex. (200 aa)
ccmHHeme lyase, CcmH subunit; May be required for the biogenesis of c-type cytochromes. Possible subunit of a heme lyase. (350 aa)
napANitrate reductase, periplasmic, large subunit; Catalytic subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from NapB and catalyzes the reduction of nitrate to nitrite; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. (828 aa)
aphAAcid phosphatase/phosphotransferase, class B, non-specific; Dephosphorylates several organic phosphate monoesters including 3'- and 5'-nucleotides, 2'-deoxy-5'-nucleotides, pNPP, phenyl phosphate, glycerol 2-phosphate, ribose 5-phosphate, O-phospho-L-amino acids and phytic acid, showing the highest activity with aryl phosphoesters (pNPP, phenyl phosphate and O-phospho-L-tyrosine), and to a lesser extent with 3'- and 5'-nucleotides. No activity toward ATP, phosphodiesters, glycerol-1-phosphate, glucose 1-phosphate, glucose 6- phosphate, NADP, GTP or 3',5'-cAMP, ADP or ATP. Also has a ph [...] (237 aa)
ccmFHeme lyase, CcmF subunit; Required for the biogenesis of c-type cytochromes. Possible subunit of a heme lyase. (647 aa)
ydhVPutative oxidoreductase subunit. (700 aa)
napBNitrate reductase, small, cytochrome C550 subunit, periplasmic; Electron transfer subunit of the periplasmic nitrate reductase complex NapAB. Receives electrons from the membrane-anchored tetraheme c-type NapC protein and transfers these to NapA subunit, thus allowing electron flow between membrane and periplasm. Essential for periplasmic nitrate reduction with nitrate as the terminal electron acceptor; Belongs to the NapB family. (149 aa)
nrfFHeme lyase (NrfEFG) for insertion of heme into c552, subunit NrfF; Not required for the biosynthesis of any of the c-type cytochromes. Possible subunit of a heme lyase. (127 aa)
ydhYPutative 4Fe-4S ferridoxin-type protein; Putative oxidoreductase, Fe-S subunit. (208 aa)
napFFerredoxin-type protein, role in electron transfer to periplasmic nitrate reductase NapA; Could be involved in the maturation of NapA, the catalytic subunit of the periplasmic nitrate reductase, before its export into the periplasm. Is not involved in the electron transfer from menaquinol or ubiquinol to the periplasmic nitrate reductase. (164 aa)
napGFerredoxin-type protein; Required for electron transfer from ubiquinol, via NapC, to the periplasmic nitrate reductase NapAB complex. (231 aa)
fdhFFormate dehydrogenase-H, selenopolypeptide subunit; Decomposes formic acid to hydrogen and carbon dioxide under anaerobic conditions in the absence of exogenous electron acceptors. (715 aa)
fdnIFormate dehydrogenase-N, cytochrome B556 (gamma) subunit, nitrate-inducible; Formate dehydrogenase allows E.coli to use formate as major electron donor during anaerobic respiration, when nitrate is used as electron acceptor. Subunit gamma is the cytochrome b556 component of the formate dehydrogenase-N, and also contains a menaquinone reduction site that receives electrons from the beta subunit (FdnH), through its hemes. Formate dehydrogenase-N is part of a system that generates proton motive force, together with the dissimilatory nitrate reductase (Nar). (217 aa)
fdnGFormate dehydrogenase-N, alpha subunit, nitrate-inducible; Formate dehydrogenase allows E.coli to use formate as major electron donor during anaerobic respiration, when nitrate is used as electron acceptor. The alpha subunit FdnG contains the formate oxidation site. Electrons are transferred from formate to menaquinone in the gamma subunit (FdnI), through the 4Fe-4S clusters in the beta subunit (FdnH). Formate dehydrogenase-N is part of a system that generates proton motive force, together with the dissimilatory nitrate reductase (Nar). (1015 aa)
norVAnaerobic nitric oxide reductase flavorubredoxin; 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 reductase 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. (479 aa)
nrfDFormate-dependent nitrite reductase, membrane subunit; Probably involved in the transfer of electrons from the quinone pool to the type-c cytochromes; Belongs to the NrfD family. (318 aa)
hyaFHydrogenase-1 protein nickel incorporation factor; Not known. Could enhance the incorporation of nickel to the hydrogenase. (285 aa)
ydhWFNR, Nar, NarP-regulated protein; putative subunit of YdhYVWXUT oxidoreductase complex. (215 aa)
nrfGHeme lyase (NrfEFG) for insertion of heme into c552, subunit NrfG; Required for formate-dependent nitrite reduction. Not required for the biosynthesis of any of the c-type cytochromes nor for the secretion of the periplasmic cytochromes. (198 aa)
nrfCFormate-dependent nitrite reductase, 4Fe4S subunit; Probably involved in the transfer of electrons from the quinone pool to the type-c cytochromes. (223 aa)
hyaCHydrogenase 1, b-type cytochrome subunit; Probable b-type cytochrome; Belongs to the HupC/HyaC/HydC family. (235 aa)
hcpHybrid-cluster [4Fe-2S-2O] subunit of anaerobic terminal reductases; Catalyzes the reduction of hydroxylamine to form NH(3) and H(2)O. Is also able to reduce hydroxylamine analogs such as methylhydroxylamine and hydroxyquinone. Might have a role as a scavenger of potentially toxic by-products of nitrate metabolism. Belongs to the HCP family. (550 aa)
ccmBHeme export ABC transporter permease; Required for the export of heme to the periplasm for the biogenesis of c-type cytochromes. (220 aa)
ccmCHeme export ABC transporter permease; Required for the export of heme to the periplasm for the biogenesis of c-type cytochromes. (245 aa)
nirCNitrite transporter; Catalyzes nitrite uptake and nitrite export across the cytoplasmic membrane. Is up to 10-fold more active than NarK or NarU in nitrite uptake for subsequent reduction in the cytoplasm by the NirB/NirD nitrite reductase; Belongs to the FNT transporter (TC 2.A.44) family. (268 aa)
dsbEPeriplasmic thioredoxin of cytochrome c-type biogenesis; Involved in disulfide bond formation. Catalyzes a late, reductive step in the assembly of periplasmic c-type cytochromes, probably the reduction of disulfide bonds of the apocytochrome c to allow covalent linkage with the heme. Possible subunit of a heme lyase. DsbE is maintained in a reduced state by DsbD. (185 aa)
fdnHFormate dehydrogenase-N, Fe-S (beta) subunit, nitrate-inducible; Formate dehydrogenase allows E.coli to use formate as major electron donor during anaerobic respiration, when nitrate is used as electron acceptor. The beta subunit FdnH is an electron transfer unit containing 4 iron-sulfur clusters; it serves as a conduit for electrons that are transferred from the formate oxidation site in the alpha subunit (FdnG) to the menaquinone associated with the gamma subunit (FdnI) of formate dehydrogenase-N. Formate dehydrogenase-N is part of a system that generates proton motive force, togethe [...] (294 aa)
nrfBNitrite reductase, formate-dependent, penta-heme cytochrome c; Plays a role in nitrite reduction. (188 aa)
hyaBHydrogenase 1, large subunit; This is one of three E.coli hydrogenases synthesized in response to different physiological conditions. HYD1 is believed to have a role in hydrogen cycling during fermentative growth; Belongs to the [NiFe]/[NiFeSe] hydrogenase large subunit family. (597 aa)
napDAssembly protein for periplasmic nitrate reductase; Chaperone for NapA, the catalytic subunit of the periplasmic nitrate reductase. It binds directly and specifically to the twin- arginine signal peptide of NapA, preventing premature interaction with the Tat translocase and premature export. May have a role in the insertion of the NapA molybdenum cofactor. (87 aa)
ytfEIron-sulfur cluster repair protein RIC; Di-iron-containing protein involved in the repair of iron- sulfur clusters damaged by oxidative and nitrosative stress conditions. (220 aa)
yeaRDUF1971 family protein, nitrate-inducible; Protein involved in xenobiotic metabolic process. (119 aa)
nrfEHeme lyase (NrfEFG) for insertion of heme into c552, subunit NrfE; May be required for the biogenesis of c-type cytochromes. Possible subunit of a heme lyase. (552 aa)
ydhUPutative cytochrome b subunit of YdhYVWXUT oxidoreductase complex. (261 aa)
hyaDHydrogenase 1 maturation protease; Protease involved in the C-terminal processing of HyaB, the large subunit of hydrogenase 1; Belongs to the peptidase A31 family. (195 aa)
yoaGUncharacterized protein. (60 aa)
napHFerredoxin-type protein; Required for electron transfer from ubiquinol, via NapC, to the periplasmic nitrate reductase NapAB complex. (287 aa)
ccmDCytochrome c biogenesis protein; Required for the export of heme to the periplasm for the biogenesis of c-type cytochromes. (69 aa)
Your Current Organism:
Escherichia coli K12
NCBI taxonomy Id: 511145
Other names: E. coli str. K-12 substr. MG1655, Escherichia coli MG1655, Escherichia coli str. K-12 substr. MG1655, Escherichia coli str. K12 substr. MG1655, Escherichia coli str. MG1655, Escherichia coli strain MG1655
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