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alr4161 alr4161 ndhI ndhI all0355 all0355 nirA nirA narB narB hoxF hoxF nifH2 nifH2 all0945 all0945 thiC thiC all0985 all0985 alr3126 alr3126 chlB chlB psaC psaC alr3573 alr3573 all3651 all3651 alr3654 alr3654 ndhK ndhK all3865 all3865 nth nth ftrC ftrC alr4129 alr4129 all4673 all4673 alr4943 alr4943 all4956 all4956 chlN chlN chlL chlL psaA psaA psaB psaB psaB-2 psaB-2 alr1222 alr1222 all1267 all1267 alr1282 alr1282 alr1312 alr1312 leuC leuC nifH nifH fdxN fdxN nifB nifB all1694 all1694 nifJ nifJ alr1921 alr1921 all2029 all2029 all2127 all2127 all2501 all2501 fdxB fdxB alr2771 alr2771 nifJ-2 nifJ-2 asl2914 asl2914 sir sir
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Network nodes represent proteins
splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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colored nodes:
query proteins and first shell of interactors
white nodes:
second shell of interactors
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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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Edges represent protein-protein associations
associations are meant to be specific and meaningful, i.e. proteins jointly contribute to a shared function; this does not necessarily mean they are physically binding to each other.
Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
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alr41617-carboxy-7-deazaguanine synthase; Catalyzes the complex heterocyclic radical-mediated conversion of 6-carboxy-5,6,7,8-tetrahydropterin (CPH4) to 7-carboxy-7- deazaguanine (CDG), a step common to the biosynthetic pathways of all 7-deazapurine-containing compounds. (264 aa)
ndhINADH dehydrogenase subunit I; NDH-1 shuttles electrons from an unknown electron donor, via FMN and iron-sulfur (Fe-S) centers, to quinones in the respiratory and/or the photosynthetic chain. The immediate electron acceptor for the enzyme in this species is believed to be plastoquinone. Couples the redox reaction to proton translocation, and thus conserves the redox energy in a proton gradient; Belongs to the complex I 23 kDa subunit family. (194 aa)
all0355Probable dual-specificity RNA methyltransferase RlmN; Specifically methylates position 2 of adenine 2503 in 23S rRNA and position 2 of adenine 37 in tRNAs; Belongs to the radical SAM superfamily. RlmN family. (322 aa)
nirANitrite reductase; ORF_ID:alr0607; nirA gene product; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. (536 aa)
narBNitrate reductase; ORF_ID:alr0612; narB gene product; Belongs to the prokaryotic molybdopterin-containing oxidoreductase family. NasA/NapA/NarB subfamily. (746 aa)
hoxFHydrogenase subunit; ORF_ID:alr0752; hoxF gene product. (544 aa)
nifH2Nitrogenase reductase; The key enzymatic reactions in nitrogen fixation are catalyzed by the nitrogenase complex, which has 2 components: the iron protein and the molybdenum-iron protein. (297 aa)
all0945Succinate dehydrogenase iron-sulfur protein subunit; ORF_ID:all0945; Belongs to the succinate dehydrogenase/fumarate reductase iron-sulfur protein family. (333 aa)
thiCThiamin biosynthesis protein; Catalyzes the synthesis of the hydroxymethylpyrimidine phosphate (HMP-P) moiety of thiamine from aminoimidazole ribotide (AIR) in a radical S-adenosyl-L-methionine (SAM)-dependent reaction. Belongs to the ThiC family. (457 aa)
all09854-hydroxy-3-methylbut-2-enyl diphosphate reductase; Catalyzes the conversion of 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate (HMBPP) into a mixture of isopentenyl diphosphate (IPP) and dimethylallyl diphosphate (DMAPP). Acts in the terminal step of the DOXP/MEP pathway for isoprenoid precursor biosynthesis. Belongs to the IspH family. (402 aa)
alr3126Oxygen independent coprophorphyrinogen III oxidase; ORF_ID:alr3126; Belongs to the anaerobic coproporphyrinogen-III oxidase family. (460 aa)
chlBProtochlorophyllide reductase ChlB subunit; Component of the dark-operative protochlorophyllide reductase (DPOR) that uses Mg-ATP and reduced ferredoxin to reduce ring D of protochlorophyllide (Pchlide) to form chlorophyllide a (Chlide). This reaction is light-independent. The NB-protein (ChlN-ChlB) is the catalytic component of the complex. (508 aa)
psaCPhotosystem I iron-sulfur protein; Apoprotein for the two 4Fe-4S centers FA and FB of photosystem I (PSI); essential for photochemical activity. FB is the terminal electron acceptor of PSI, donating electrons to ferredoxin. The C-terminus interacts with PsaA/B/D and helps assemble the protein into the PSI complex. Required for binding of PsaD and PsaE to PSI. PSI is a plastocyanin/cytochrome c6-ferredoxin oxidoreductase, converting photonic excitation into a charge separation, which transfers an electron from the donor P700 chlorophyll pair to the spectroscopically characterized accept [...] (81 aa)
alr35737,8-didemethyl-8-hydroxy-5-deazariboflavin synthase; Catalyzes the radical-mediated synthesis of 7,8-didemethyl-8- hydroxy-5-deazariboflavin from 5-amino-5-(4-hydroxybenzyl)-6-(D- ribitylimino)-5,6-dihydrouracil. (339 aa)
all3651Amidophosphoribosyltransferase; Catalyzes the formation of phosphoribosylamine from phosphoribosylpyrophosphate (PRPP) and glutamine. (499 aa)
alr3654Uncharacterized RNA methyltransferase alr3654; ORF_ID:alr3654; hypothetical protein; Belongs to the class I-like SAM-binding methyltransferase superfamily. RNA M5U methyltransferase family. (460 aa)
ndhKNADH dehydrogenase chain K; NDH-1 shuttles electrons from an unknown electron donor, via FMN and iron-sulfur (Fe-S) centers, to quinones in the respiratory and/or the photosynthetic chain. The immediate electron acceptor for the enzyme in this species is believed to be plastoquinone. Couples the redox reaction to proton translocation, and thus conserves the redox energy in a proton gradient. Cyanobacterial NDH-1 also plays a role in inorganic carbon-concentration; Belongs to the complex I 20 kDa subunit family. (245 aa)
all3865Molybdenum cofactor biosynthesis protein A; Catalyzes the cyclization of GTP to (8S)-3',8-cyclo-7,8- dihydroguanosine 5'-triphosphate. (328 aa)
nthEndonuclease III; DNA repair enzyme that has both DNA N-glycosylase activity and AP-lyase activity. The DNA N-glycosylase activity releases various damaged pyrimidines from DNA by cleaving the N-glycosidic bond, leaving an AP (apurinic/apyrimidinic) site. The AP-lyase activity cleaves the phosphodiester bond 3' to the AP site by a beta-elimination, leaving a 3'-terminal unsaturated sugar and a product with a terminal 5'- phosphate. (223 aa)
ftrCFerredoxin--thioredoxin reductase catalytic chain; Catalytic subunit of the ferredoxin-thioredoxin reductase (FTR), which catalyzes the two-electron reduction of thioredoxins by the electrons provided by reduced ferredoxin. (121 aa)
alr41295-amino-6-(D-ribitylamino)uracil--L-tyrosine 4-hydroxyphenyl transferase; Catalyzes the radical-mediated synthesis of 5-amino-5-(4- hydroxybenzyl)-6-(D-ribitylimino)-5,6-dihydrouracil from 5-amino-6-(D- ribitylamino)uracil and L-tyrosine. (391 aa)
all4673Quinolinate synthetase; Catalyzes the condensation of iminoaspartate with dihydroxyacetone phosphate to form quinolinate. (324 aa)
alr4943Epoxyqueuosine reductase; Catalyzes the conversion of epoxyqueuosine (oQ) to queuosine (Q), which is a hypermodified base found in the wobble positions of tRNA(Asp), tRNA(Asn), tRNA(His) and tRNA(Tyr); Belongs to the QueG family. (337 aa)
all4956Coproporphyrinogen III oxidase; Probably acts as a heme chaperone, transferring heme to an unknown acceptor. Binds one molecule of heme per monomer, possibly covalently. Binds 1 [4Fe-4S] cluster. The cluster is coordinated with 3 cysteines and an exchangeable S-adenosyl-L-methionine. Belongs to the anaerobic coproporphyrinogen-III oxidase family. (396 aa)
chlNProtochlorophillide reductase subunit; Component of the dark-operative protochlorophyllide reductase (DPOR) that uses Mg-ATP and reduced ferredoxin to reduce ring D of protochlorophyllide (Pchlide) to form chlorophyllide a (Chlide). This reaction is light-independent. The NB-protein (ChlN-ChlB) is the catalytic component of the complex. (467 aa)
chlLProtochlorophyllide reductase iron-sulfur ATP-binding protein; Component of the dark-operative protochlorophyllide reductase (DPOR) that uses Mg-ATP and reduced ferredoxin to reduce ring D of protochlorophyllide (Pchlide) to form chlorophyllide a (Chlide). This reaction is light-independent. The L component serves as a unique electron donor to the NB-component of the complex, and binds Mg-ATP. (288 aa)
psaAPhotosystem I core protein A1; PsaA and PsaB bind P700, the primary electron donor of photosystem I (PSI), as well as the electron acceptors A0, A1 and FX. PSI is a plastocyanin/cytochrome c6-ferredoxin oxidoreductase, converting photonic excitation into a charge separation, which transfers an electron from the donor P700 chlorophyll pair to the spectroscopically characterized acceptors A0, A1, FX, FA and FB in turn. Oxidized P700 is reduced on the lumenal side of the thylakoid membrane by plastocyanin or cytochrome c6. (752 aa)
psaBPhotosystem I core protein A2; PsaA and PsaB bind P700, the primary electron donor of photosystem I (PSI), as well as the electron acceptors A0, A1 and FX. PSI is a plastocyanin/cytochrome c6-ferredoxin oxidoreductase, converting photonic excitation into a charge separation, which transfers an electron from the donor P700 chlorophyll pair to the spectroscopically characterized acceptors A0, A1, FX, FA and FB in turn. Oxidized P700 is reduced on the lumenal side of the thylakoid membrane by plastocyanin or cytochrome c6 (By similarity). (741 aa)
psaB-2Photosystem I P700 chlorophyll a apoprotein A2; PsaA and PsaB bind P700, the primary electron donor of photosystem I (PSI), as well as the electron acceptors A0, A1 and FX. PSI is a plastocyanin/cytochrome c6-ferredoxin oxidoreductase, converting photonic excitation into a charge separation, which transfers an electron from the donor P700 chlorophyll pair to the spectroscopically characterized acceptors A0, A1, FX, FA and FB in turn. Oxidized P700 is reduced on the lumenal side of the thylakoid membrane by plastocyanin or cytochrome c6 (By similarity). (742 aa)
alr1222Ribosomal protein S12 methylthiotransferase RimO; Catalyzes the methylthiolation of an aspartic acid residue of ribosomal protein S12; Belongs to the methylthiotransferase family. RimO subfamily. (440 aa)
all1267Aconitate hydratase; ORF_ID:all1267; Belongs to the aconitase/IPM isomerase family. (876 aa)
alr1282Lipoic acid synthetase; Catalyzes the radical-mediated insertion of two sulfur atoms into the C-6 and C-8 positions of the octanoyl moiety bound to the lipoyl domains of lipoate-dependent enzymes, thereby converting the octanoylated domains into lipoylated derivatives. (300 aa)
alr1312tRNA-2-methylthio-N(6)-dimethylallyladenosine synthase; Catalyzes the methylthiolation of N6-(dimethylallyl)adenosine (i(6)A), leading to the formation of 2-methylthio-N6- (dimethylallyl)adenosine (ms(2)i(6)A) at position 37 in tRNAs that read codons beginning with uridine. (454 aa)
leuC3-isopropylmalate dehydratase, large chain; Catalyzes the isomerization between 2-isopropylmalate and 3- isopropylmalate, via the formation of 2-isopropylmaleate. (467 aa)
nifHNitrogenase iron protein; The key enzymatic reactions in nitrogen fixation are catalyzed by the nitrogenase complex, which has 2 components: the iron protein and the molybdenum-iron protein. (295 aa)
fdxNFerrodoxin-like protein; ORF_ID:all1516; fdxN gene product. (116 aa)
nifBNitrogen fixation protein; Involved in the biosynthesis of the iron-molybdenum cofactor (FeMo-co or M-cluster) found in the dinitrogenase enzyme of the nitrogenase complex in nitrogen-fixing microorganisms. NifB catalyzes the crucial step of radical SAM-dependent carbide insertion that occurs concomitant with the insertion of a 9th sulfur and the rearrangement/coupling of two [4Fe-4S] clusters into a [8Fe-9S-C] cluster, the precursor to the M-cluster. (475 aa)
all1694Lipoic acid synthetase; Catalyzes the radical-mediated insertion of two sulfur atoms into the C-6 and C-8 positions of the octanoyl moiety bound to the lipoyl domains of lipoate-dependent enzymes, thereby converting the octanoylated domains into lipoylated derivatives. (291 aa)
nifJPyruvate flavodoxin dehydrogenase; Oxidoreductase required for the transfer of electrons from pyruvate to flavodoxin. (1187 aa)
alr1921Biotin synthase; Catalyzes the conversion of dethiobiotin (DTB) to biotin by the insertion of a sulfur atom into dethiobiotin via a radical-based mechanism; Belongs to the radical SAM superfamily. Biotin synthase family. (335 aa)
all2029Heme biosynthesis protein; ORF_ID:all2029. (420 aa)
all2127ORF_ID:all2127; hypothetical protein. (452 aa)
all25014-hydroxy-3-methylbut-2-en-1-yl diphosphate synthase (ferredoxin); Converts 2C-methyl-D-erythritol 2,4-cyclodiphosphate (ME- 2,4cPP) into 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate. Belongs to the IspG family. (408 aa)
fdxBFerredoxin; Ferredoxins are iron-sulfur proteins that transfer electrons in a wide variety of metabolic reactions. (97 aa)
alr2771Dihydroxyacid dehydratase; ORF_ID:alr2771; Belongs to the IlvD/Edd family. (563 aa)
nifJ-2Pyruvate-flavodoxin dehydrogenase; Oxidoreductase required for the transfer of electrons from pyruvate to flavodoxin, which reduces nitrogenase. (1199 aa)
asl2914Ferredoxin; Ferredoxins are iron-sulfur proteins that transfer electrons in a wide variety of metabolic reactions. (74 aa)
sirFerredoxin-sulfite reductase; ORF_ID:alr1348; sir gene product; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. (650 aa)
Your Current Organism:
Nostoc sp. PCC7120
NCBI taxonomy Id: 103690
Other names: Anabaena sp. (ATCC 27893), Anabaena sp. (PCC 7120), Anabaena sp. DCC D0672, Anabaena sp. PCC 7120, Anabaena sp. SAG 25.82, Anabaena sp. UTEX B 2576, Anabaena variabilis UTCC 387, N. sp. PCC 7120, Nostoc muscorum ISU, Nostoc sp. AKM24, Nostoc sp. ATCC 27347, Nostoc sp. ATCC 72893, Nostoc sp. DSM 107007, Nostoc sp. Ind43, Nostoc sp. PCC 7120, Nostoc sp. SAG 25.82
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