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atpC atpC atpA atpA atpD atpD atpF atpF atpG atpG atpH atpH atpI atpI psaL psaL psaJ psaJ psaF psaF psbT psbT psbB psbB petJ petJ petJ-2 petJ-2 petE petE psbV psbV psaD psaD petC petC alr0784 alr0784 psbW psbW psbH psbH psbM psbM psbK psbK psbX psbX psbY psbY all1082 all1082 psbU psbU psbZ psbZ psbI psbI psaX psaX petG petG petC-2 petC-2 asl1922 asl1922 petA petA petC-3 petC-3 all2919 all2919 all3076 all3076 asl3190 asl3190 petB petB petD petD psaC psaC psbAIV psbAIV psbA psbA psbE psbE psbF psbF psbL psbL psbJ psbJ psaI psaI psbO psbO asr3992 asr3992 all4000 all4000 all4002 all4002 all4003 all4003 petH petH petF petF cytA cytA petN petN psbD psbD psbC psbC psaE psaE petC-4 petC-4 psaM psaM petM petM psaK psaK psbAI psbAI atpE atpE atpB atpB psaA psaA psaB psaB asr5289 asr5289 alr5290 alr5290 psaB-2 psaB-2
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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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empty nodes:
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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atpCATP synthase subunit gamma; Produces ATP from ADP in the presence of a proton gradient across the membrane. The gamma chain is believed to be important in regulating ATPase activity and the flow of protons through the CF(0) complex. (315 aa)
atpAATP synthase subunit alpha; Produces ATP from ADP in the presence of a proton gradient across the membrane. The alpha chain is a regulatory subunit; Belongs to the ATPase alpha/beta chains family. (506 aa)
atpDATP synthase subunit delta; F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation; Belongs to the ATPase delta chain family. (183 aa)
atpFATP synthase subunit b; F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation. (187 aa)
atpGATP synthase subunit b; F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation. (163 aa)
atpHATP synthase subunit c; F(1)F(0) ATP synthase produces ATP from ADP in the presence of a proton or sodium gradient. F-type ATPases consist of two structural domains, F(1) containing the extramembraneous catalytic core and F(0) containing the membrane proton channel, linked together by a central stalk and a peripheral stalk. During catalysis, ATP synthesis in the catalytic domain of F(1) is coupled via a rotary mechanism of the central stalk subunits to proton translocation. (81 aa)
atpIATP synthase subunit a; Key component of the proton channel; it plays a direct role in the translocation of protons across the membrane. (251 aa)
psaLPhotosystem I subunit XI; ORF_ID:all0107; psaL gene product. (172 aa)
psaJPhotosystem I subunit IX; May help in the organization of the PsaE and PsaF subunits. Belongs to the PsaJ family. (49 aa)
psaFPhotosystem I subunit III precursor; Probably participates in efficiency of electron transfer from plastocyanin to P700 (or cytochrome c553 in algae and cyanobacteria). This plastocyanin-docking protein contributes to the specific association of plastocyanin to PSI; Belongs to the PsaF family. (164 aa)
psbTPhotosystem II PsbT protein; Seems to play a role in the dimerization of PSII. Belongs to the PsbT family. (35 aa)
psbBPhotosystem II CP47 protein; One of the components of the core complex of photosystem II (PSII). It binds chlorophyll and helps catalyze the primary light- induced photochemical processes of PSII. PSII is a light-driven water:plastoquinone oxidoreductase, using light energy to abstract electrons from H(2)O, generating O(2) and a proton gradient subsequently used for ATP formation; Belongs to the PsbB/PsbC family. PsbB subfamily. (509 aa)
petJCytochrome c6; ORF_ID:all0161; Belongs to the cytochrome c family. PetJ subfamily. (111 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)
psbVCytochrome c550; Low-potential cytochrome c that plays a role in the oxygen- evolving complex of photosystem II. (163 aa)
psaDPhotosystem I reaction center subunit II; PsaD can form complexes with ferredoxin and ferredoxin- oxidoreductase in photosystem I (PS I) reaction center. (139 aa)
petCCytochrome b6/f-complex iron-sulfur protein; ORF_ID:all0606; petC gene product. (136 aa)
alr0784Ferredoxin; ORF_ID:alr0784. (104 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)
psbMPhotosystem II protein; One of the components of the core complex 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. This subunit is found at the monomer-monomer interface. (38 aa)
psbKPhotosystem II protein; One of the components of the core complex 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. (45 aa)
psbXPhotosystem II protein; Involved in the binding and/or turnover of quinones at the Q(B) site of Photosystem II. (39 aa)
psbYPhotosystem II protein Y; Manganese-binding polypeptide with L-arginine metabolizing enzyme activity. Component of the core of photosystem II. Belongs to the PsbY family. (41 aa)
all1082Photosystem II reaction center Psb28 protein; ORF_ID:all1082; hypothetical protein; Belongs to the Psb28 family. (122 aa)
psbUPhotosystem II 12 kD extrinsic protein; Stabilizes the structure of photosystem II oxygen-evolving complex (OEC), the ion environment of oxygen evolution and protects the OEC against heat-induced inactivation. (149 aa)
psbZPhotosystem II 11 kD protein; Plays a role in the repair and/or biogenesis of the calcium- manganese-oxide cluster on the lumenal face of the thylakoid membrane. Its presence in a photosystem II (PSII) preparation prevents binding of some small extrinsic subunits and thus assembly of calcium-manganese- oxide cluster. (133 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)
psaXPhotosystem I 4.8K protein; ORF_ID:asr1283; psaX gene product; Belongs to the PsaX family. (44 aa)
petGCytochrome b6-f complex subunit 5; 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. PetG is required for either the stability or assembly of the cytochrome b6-f complex. (37 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)
asl1922Cytochrome b6-f complex subunit 6; 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. PetL is important for photoautotrophic growth as well as for electron transfer efficiency and stability of the cytochrome b6-f complex. (31 aa)
petAApocytochrome f; 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. (333 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)
all2919Ferredoxin; ORF_ID:all2919. (122 aa)
all3076ORF_ID:all3076; similar to photosystem II oxygen-evolving complex 23K protein PsbP. (246 aa)
asl3190PsaJ-like protein asl3190; ORF_ID:asl3190; similar to photosystem I subunit IX (psaJ). (50 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)
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)
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)
psbAPhotosystem 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)
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)
psbFCytochrome b559 beta 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. (45 aa)
psbLPhotosystem II protein L; One of the components of the core complex 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. This subunit is found at the monomer-monomer interface and is required for correct PSII assembly and/or dimerization. (39 aa)
psbJPhotosystem II protein J; One of the components of the core complex 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. (40 aa)
psaIPhotosystem I protein PsaI precursor; May help in the organization of the PsaL subunit. Belongs to the PsaI family. (46 aa)
psbOManganese-stabilzing protein precursor; MSP binds to a putative Mn-binding protein and keeps 2 of the 4 Mn-atoms associated with PSII. (273 aa)
asr3992Photosystem II reaction center protein Z; Controls the interaction of photosystem II (PSII) cores with the light-harvesting antenna; Belongs to the PsbZ family. (62 aa)
all4000ORF_ID:all4000; photosystem II CP43 protein PsbC homolog. (320 aa)
all4002Photosystem I reaction center subunit XI; ORF_ID:all4002; photosystem II CP43 protein PsbC homolog. (476 aa)
all4003ORF_ID:all4003; photosystem II CP43 protein PsbC homolog. (342 aa)
petHferredoxin--NADP(+) reductase; ORF_ID:all4121. (440 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)
cytACytochrome c6; Functions as an electron carrier between membrane-bound cytochrome b6-f and photosystem I in oxygenic photosynthesis. (111 aa)
petNPetN 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. (29 aa)
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)
psbCPhotosystem II CP43 protein; One of the components of the core complex of photosystem II (PSII). It binds chlorophyll and helps catalyze the primary light- induced photochemical processes of PSII. PSII is a light-driven water:plastoquinone oxidoreductase, using light energy to abstract electrons from H(2)O, generating O(2) and a proton gradient subsequently used for ATP formation; Belongs to the PsbB/PsbC family. PsbC subfamily. (459 aa)
psaEPhotosystem I protein E; Stabilizes the interaction between PsaC and the PSI core, assists the docking of the ferredoxin to PSI and interacts with ferredoxin-NADP oxidoreductase; Belongs to the PsaE family. (70 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)
psaMPhotosystem I PsaM subunit; ORF_ID:asr4657. (40 aa)
petMCytochrome b6-f complex subunit; 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. (34 aa)
psaKPhotosystem I subunit X; ORF_ID:asr4775. (86 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)
atpEATP synthase epsilon subunit; Produces ATP from ADP in the presence of a proton gradient across the membrane. (137 aa)
atpBATP synthase beta subunit; Produces ATP from ADP in the presence of a proton gradient across the membrane. The catalytic sites are hosted primarily by the beta subunits; Belongs to the ATPase alpha/beta chains family. (482 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)
asr5289ORF_ID:asr5289; similar to subunit X of photosystem I PsaK; unknown protein. (53 aa)
alr5290ORF_ID:alr5290; similar to photosystem I PsaK. (123 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)
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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