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psbD psbD petC-4 petC-4 psbD-2 psbD-2 agp agp psbAI psbAI ndhB ndhB desC-2 desC-2 gap2 gap2 psaA psaA atp1 atp1 apcE apcE rps1 rps1 petJ petJ gltA gltA ndhA ndhA plsX plsX alr0239 alr0239 petJ-2 petJ-2 petE petE all0492 all0492 petC petC nirA nirA psbW psbW psbH psbH all0860 all0860 accC accC rps1-2 rps1-2 all1272 all1272 psbI psbI petC-2 petC-2 rbcL rbcL rbcS rbcS desC desC all1693 all1693 alr1879 alr1879 dnaA dnaA apcF apcF glnA glnA accD accD petC-3 petC-3 tal tal gap1 gap1 alr2708 alr2708 all2806 all2806 cmpA cmpA kaiA kaiA alr3344 alr3344 ndhH ndhH petB petB petD petD all3538 all3538 psbAIV psbAIV ndhC ndhC psbE psbE ftsZ ftsZ tal-2 tal-2 petH petH all4131 all4131 petF petF ndhF-3 ndhF-3 all4182 all4182 rpl17 rpl17 cytA cytA all4391 all4391
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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
filled nodes:
a 3D structure is known or predicted
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experimentally determined
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gene neighborhood
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gene co-occurrence
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psbDPhotosystem II protein D2; Photosystem II (PSII) is a light-driven water:plastoquinone oxidoreductase that uses light energy to abstract electrons from H(2)O, generating O(2) and a proton gradient subsequently used for ATP formation. It consists of a core antenna complex that captures photons, and an electron transfer chain that converts photonic excitation into a charge separation. The D1/D2 (PsbA/PsbA) reaction center heterodimer binds P680, the primary electron donor of PSII as well as several subsequent electron acceptors. D2 is needed for assembly of a stable PSII complex. (351 aa)
petC-4Cytochrome b6/f-complex iron-sulfur protein; Component of the cytochrome b6-f complex, which mediates electron transfer between photosystem II (PSII) and photosystem I (PSI), cyclic electron flow around PSI, and state transitions. Belongs to the Rieske iron-sulfur protein family. (178 aa)
psbD-2Photosystem II protein D2; ORF_ID:alr4548. (351 aa)
agpGlucose-1-phosphate adenylyltransferase; Involved in the biosynthesis of ADP-glucose, a building block required for the elongation reactions to produce glycogen. Catalyzes the reaction between ATP and alpha-D-glucose 1-phosphate (G1P) to produce pyrophosphate and ADP-Glc. (429 aa)
psbAIPhotosystem II protein D1; Photosystem II (PSII) is a light-driven water:plastoquinone oxidoreductase that uses light energy to abstract electrons from H(2)O, generating O(2) and a proton gradient subsequently used for ATP formation. It consists of a core antenna complex that captures photons, and an electron transfer chain that converts photonic excitation into a charge separation. The D1/D2 (PsbA/PsbA) reaction center heterodimer binds P680, the primary electron donor of PSII as well as several subsequent electron acceptors. (360 aa)
ndhBNADH dehydrogenase subunit 2; 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. (520 aa)
desC-2Delta-9 desaturase; ORF_ID:all4991. (285 aa)
gap2Glyceraldehyde-3-phosphate dehydrogenase; Gap2 has a major role in carbon fixation as a component of the Calvin cycle. Catalyzes the oxidative phosphorylation of glyceraldehyde 3-phosphate (G3P) to 1,3-bisphosphoglycerate (BPG) using the cofactor NADP. The first reaction step involves the formation of a hemiacetal intermediate between G3P and a cysteine residue, and this hemiacetal intermediate is then oxidized to a thioester, with concomitant reduction of NADP to NADPH. The reduced NADPH is then exchanged with the second NAD, and the thioester is attacked by a nucleophilic inorganic p [...] (337 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)
atp1ATP synthase subunit 1; A possible function for this protein is to guide the assembly of the membrane sector of the ATPase enzyme complex; Belongs to the bacterial AtpI family. (122 aa)
apcEPhycobilisome core-membrane linker protein; This protein is postulated to act both as terminal energy acceptor (by its phycobilin-like domains) and as a linker polypeptide (by its repeats and arms) that stabilizes the phycobilisome core architecture. Has intrinsic bilin lyase activity (By similarity). (1132 aa)
rps130S ribosomal protein S1; ORF_ID:all0136. (343 aa)
petJCytochrome c6; ORF_ID:all0161; Belongs to the cytochrome c family. PetJ subfamily. (111 aa)
gltACitrate synthase; ORF_ID:alr0222; gltA gene product; Belongs to the citrate synthase family. (378 aa)
ndhANADH dehydrogenase subunit 1; 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. (372 aa)
plsXFatty acid/phospholipid synthesis protein; Catalyzes the reversible formation of acyl-phosphate (acyl- PO(4)) from acyl-[acyl-carrier-protein] (acyl-ACP). This enzyme utilizes acyl-ACP as fatty acyl donor, but not acyl-CoA. (341 aa)
alr0239Beta-ketoacyl-acyl carrier protein synthase III; Catalyzes the condensation reaction of fatty acid synthesis by the addition to an acyl acceptor of two carbons from malonyl-ACP. Catalyzes the first condensation reaction which initiates fatty acid synthesis and may therefore play a role in governing the total rate of fatty acid production. Possesses both acetoacetyl-ACP synthase and acetyl transacylase activities. Its substrate specificity determines the biosynthesis of branched-chain and/or straight-chain of fatty acids; Belongs to the thiolase-like superfamily. FabH family. (330 aa)
petJ-2Cytochrome c6; ORF_ID:asl0256. (35 aa)
petEPlastocyanin precursor; Participates in electron transfer between P700 and the cytochrome b6-f complex in photosystem I. (139 aa)
all0492Glycerol-3-phosphate acyltransferase; Catalyzes the transfer of an acyl group from acyl-phosphate (acyl-PO(4)) to glycerol-3-phosphate (G3P) to form lysophosphatidic acid (LPA). This enzyme utilizes acyl-phosphate as fatty acyl donor, but not acyl-CoA or acyl-ACP. (226 aa)
petCCytochrome b6/f-complex iron-sulfur protein; ORF_ID:all0606; petC gene product. (136 aa)
nirANitrite reductase; ORF_ID:alr0607; nirA gene product; Belongs to the nitrite and sulfite reductase 4Fe-4S domain family. (536 aa)
psbWPhotosystem II protein W; ORF_ID:all0801; Belongs to the Psb28 family. (111 aa)
psbHPhotosystem II protein; One of the components of the core complex of photosystem II (PSII), required for its stability and/or assembly. PSII is a light- driven water:plastoquinone oxidoreductase that uses light energy to abstract electrons from H(2)O, generating O(2) and a proton gradient subsequently used for ATP formation. It consists of a core antenna complex that captures photons, and an electron transfer chain that converts photonic excitation into a charge separation. (62 aa)
all0860DNA gyrase A subunit; A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. (872 aa)
accCBiotin carboxylase; This protein is a component of the acetyl coenzyme A carboxylase complex; first, biotin carboxylase catalyzes the carboxylation of the carrier protein and then the transcarboxylase transfers the carboxyl group to form malonyl-CoA. (447 aa)
rps1-230S ribosomal protein S1; ORF_ID:alr1078. (305 aa)
all1272ORF_ID:all1272; probable glycogen phosphorylase. (854 aa)
psbIPhotosystem II protein; One of the components of the core complex of photosystem II (PSII), required for its stability and/or assembly. PSII is a light- driven water:plastoquinone oxidoreductase that uses light energy to abstract electrons from H(2)O, generating O(2) and a proton gradient subsequently used for ATP formation. It consists of a core antenna complex that captures photons, and an electron transfer chain that converts photonic excitation into a charge separation. (38 aa)
petC-2Cytochrome b6/f-complex iron-sulfur protein; Component of the cytochrome b6-f complex, which mediates electron transfer between photosystem II (PSII) and photosystem I (PSI), cyclic electron flow around PSI, and state transitions. Belongs to the Rieske iron-sulfur protein family. (178 aa)
rbcLRibulose-1,5-bisphosphate carboxylase/oxygenase large subunit; RuBisCO catalyzes two reactions: the carboxylation of D- ribulose 1,5-bisphosphate, the primary event in carbon dioxide fixation, as well as the oxidative fragmentation of the pentose substrate in the photorespiration process. Both reactions occur simultaneously and in competition at the same active site. Belongs to the RuBisCO large chain family. Type I subfamily. (476 aa)
rbcSRibulose 1,5-bisphosphate carboxylase/oxygenase small subunit; RuBisCO catalyzes two reactions: the carboxylation of D- ribulose 1,5-bisphosphate, the primary event in carbon dioxide fixation, as well as the oxidative fragmentation of the pentose substrate. Both reactions occur simultaneously and in competition at the same active site (By similarity); Belongs to the RuBisCO small chain family. (109 aa)
desCDelta-9 desaturase; ORF_ID:all1599; desC gene product. (272 aa)
all1693Glycerol-3-phosphate dehydrogenase; ORF_ID:all1693; Belongs to the NAD-dependent glycerol-3-phosphate dehydrogenase family. (307 aa)
alr1879Glycogen synthase; Synthesizes alpha-1,4-glucan chains using ADP-glucose. (472 aa)
dnaAChromosomal replication initiator protein; Plays an important role in the initiation and regulation of chromosomal replication. Binds to the origin of replication; it binds specifically double-stranded DNA at a 9 bp consensus (dnaA box): 5'- TTATC[CA]A[CA]A-3'. DnaA binds to ATP and to acidic phospholipids. (459 aa)
apcFPhycobilisome core component; A variant beta-allophycocyanin (AP) which forms a complex with ApcE, a phycobilisome terminal emitter that influences energy transfer to photosystem II; Belongs to the phycobiliprotein family. (169 aa)
glnAGlutamate--ammonia ligase; Involved in nitrogen metabolism via ammonium assimilation. Catalyzes the ATP-dependent biosynthesis of glutamine from glutamate and ammonia; Belongs to the glutamine synthetase family. (474 aa)
accDacetyl-CoA carboxylase beta subunit; Component of the acetyl coenzyme A carboxylase (ACC) complex. Biotin carboxylase (BC) catalyzes the carboxylation of biotin on its carrier protein (BCCP) and then the CO(2) group is transferred by the transcarboxylase to acetyl-CoA to form malonyl-CoA; Belongs to the AccD/PCCB family. (316 aa)
petC-3Plastoquinol--plastocyanin reductase; Component of the cytochrome b6-f complex, which mediates electron transfer between photosystem II (PSII) and photosystem I (PSI), cyclic electron flow around PSI, and state transitions. Belongs to the Rieske iron-sulfur protein family. (179 aa)
talTransaldolase; Transaldolase is important for the balance of metabolites in the pentose-phosphate pathway. (332 aa)
gap1Glyceraldehyde-3-phosphate dehydrogenase; Catalyzes the oxidative phosphorylation of glyceraldehyde 3- phosphate (G3P) to 1,3-bisphosphoglycerate (BPG) using the cofactor NAD. The first reaction step involves the formation of a hemiacetal intermediate between G3P and a cysteine residue, and this hemiacetal intermediate is then oxidized to a thioester, with concomitant reduction of NAD to NADH. The reduced NADH is then exchanged with the second NAD, and the thioester is attacked by a nucleophilic inorganic phosphate to produce BPG. (343 aa)
alr2708Pyruvate dehydrogenase E1 component, alpha subunit; The pyruvate dehydrogenase complex catalyzes the overall conversion of pyruvate to acetyl-CoA and CO(2). (344 aa)
all2806ORF_ID:all2806; probable alpha-glucan phosphorylase. (737 aa)
cmpABicarbonate transport bicarbonate-binding protein; ORF_ID:alr2877; cmpA gene product. (458 aa)
kaiACircadian oscillation regulator; Component of the KaiABC clock protein complex, which constitutes the main circadian regulator in cyanobacteria. The KaiABC complex may act as a promoter-nonspecific transcription regulator that represses transcription, possibly by acting on the state of chromosome compaction. In the complex, it enhances the phosphorylation status of KaiC. In contrast, the presence of KaiB in the complex decreases the phosphorylation status of KaiC, suggesting that KaiB acts by antagonizing the interaction between KaiA and KaiC. A KaiA dimer is sufficient to enhance KaiC [...] (102 aa)
alr3344Transketolase; Catalyzes the transfer of a two-carbon ketol group from a ketose donor to an aldose acceptor, via a covalent intermediate with the cofactor thiamine pyrophosphate; Belongs to the transketolase family. (670 aa)
ndhHNADH dehydrogenase subunit 7; 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. (394 aa)
petBPlastoquinol--plastocyanin reductase, cytochrome b6; Component of the cytochrome b6-f complex, which mediates electron transfer between photosystem II (PSII) and photosystem I (PSI), cyclic electron flow around PSI, and state transitions. (215 aa)
petDPlastoquinol--plastocyanin reductase, apocytochrome subunit 4; Component of the cytochrome b6-f complex, which mediates electron transfer between photosystem II (PSII) and photosystem I (PSI), cyclic electron flow around PSI, and state transitions. (160 aa)
all3538Enolase; Catalyzes the reversible conversion of 2-phosphoglycerate into phosphoenolpyruvate. It is essential for the degradation of carbohydrates via glycolysis; Belongs to the enolase family. (429 aa)
psbAIVPhotosystem II protein D1; Photosystem II (PSII) is a light-driven water:plastoquinone oxidoreductase that uses light energy to abstract electrons from H(2)O, generating O(2) and a proton gradient subsequently used for ATP formation. It consists of a core antenna complex that captures photons, and an electron transfer chain that converts photonic excitation into a charge separation. The D1/D2 (PsbA/PsbA) reaction center heterodimer binds P680, the primary electron donor of PSII as well as several subsequent electron acceptors. (360 aa)
ndhCNADH dehydrogenase subunit 3; 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. (120 aa)
psbECytochrome b559 alpha-subunit; This b-type cytochrome is tightly associated with the reaction center of photosystem II (PSII). PSII is a light-driven water:plastoquinone oxidoreductase that uses light energy to abstract electrons from H(2)O, generating O(2) and a proton gradient subsequently used for ATP formation. It consists of a core antenna complex that captures photons, and an electron transfer chain that converts photonic excitation into a charge separation. Belongs to the PsbE/PsbF family. (82 aa)
ftsZCell division protein; Essential cell division protein that forms a contractile ring structure (Z ring) at the future cell division site. The regulation of the ring assembly controls the timing and the location of cell division. One of the functions of the FtsZ ring is to recruit other cell division proteins to the septum to produce a new cell wall between the dividing cells. Binds GTP and shows GTPase activity. (428 aa)
tal-2Transaldolase; Transaldolase is important for the balance of metabolites in the pentose-phosphate pathway; Belongs to the transaldolase family. Type 2 subfamily. (381 aa)
petHferredoxin--NADP(+) reductase; ORF_ID:all4121. (440 aa)
all4131Phosphoglycerate kinase; ORF_ID:all4131. (400 aa)
petFFerredoxin I; Ferredoxins are iron-sulfur proteins that transfer electrons in a wide variety of metabolic reactions; Belongs to the 2Fe2S plant-type ferredoxin family. (99 aa)
ndhF-3NADH dehydrogenase subunit 5; ORF_ID:alr4156. (620 aa)
all41822,3-bisphosphoglycerate-independent phosphoglycerate mutase; Catalyzes the interconversion of 2-phosphoglycerate and 3- phosphoglycerate. (533 aa)
rpl1750S ribosomal protein L17; ORF_ID:all4190. (116 aa)
cytACytochrome c6; Functions as an electron carrier between membrane-bound cytochrome b6-f and photosystem I in oxygenic photosynthesis. (111 aa)
all4391Enoyl-[acyl-carrier-protein] reductase; Catalyzes the reduction of a carbon-carbon double bond in an enoyl moiety that is covalently linked to an acyl carrier protein (ACP). Involved in the elongation cycle of fatty acid which are used in the lipid metabolism (By similarity); Belongs to the short-chain dehydrogenases/reductases (SDR) family. FabI subfamily. (264 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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