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psbZ psbZ psaC psaC ho1 ho1 psbJ psbJ psbL psbL psbF psbF psbE psbE psbK psbK psbI psbI psbH psbH psbO psbO psbA psbA psaA psaA psaB psaB psaL psaL psaI psaI psaD psaD psbT psbT psbB psbB CAK22945.1 CAK22945.1 psbM psbM petB petB petD petD psaE psaE CAK23051.1 CAK23051.1 psaM psaM petJ petJ petJ-2 petJ-2 petE petE psbA-2 psbA-2 psbA-3 psbA-3 petJ-3 petJ-3 CAK23432.1 CAK23432.1 CAK23623.1 CAK23623.1 petN petN psaK psaK petF petF pcyA pcyA psbY psbY petF-2 petF-2 petG petG petM petM ycf4 ycf4 psbD psbD psbC psbC psaF psaF psaJ psaJ petC petC petA petA psbV psbV petF-3 petF-3 ftrV ftrV CAK24508.1 CAK24508.1 psbA-4 psbA-4 psbX psbX ftrC ftrC psbU psbU psbD-2 psbD-2 ycf3 ycf3
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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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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
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Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
protein homology
Your Input:
psbZPhotosystem II protein PsbZ (ycf9); Controls the interaction of photosystem II (PSII) cores with the light-harvesting antenna. (62 aa)
psaCPhotosystem I iron-sulfur center subunit VII PsaC; 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 char [...] (81 aa)
ho1Heme oxygenase. (237 aa)
psbJPhotosystem II reaction center J 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. (66 aa)
psbLPhotosystem II protein reaction center L 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 and is required for correct PSII assembly and/or dimerization. (39 aa)
psbFCytochrome b559 beta subunit (PSII reaction center subunit VI); 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)
psbECytochrome b559 alpha subunit (PSII reaction center subunit V); 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)
psbKPhotosystem II protein PsbK; 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. (47 aa)
psbIPhotosystem II reaction center I 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. (39 aa)
psbHPhotosystem II reaction center H 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. (66 aa)
psbOPhotosystem II manganese-stabilizing protein PsbO. (273 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. (359 aa)
psaAPhotosystem I P700 chlorophyll A apoprotein 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. (767 aa)
psaBPhotosystem 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. (738 aa)
psaLPhotosystem I reaction centre subunit XI. (163 aa)
psaIPhotosystem I reaction center subunit VIII. (38 aa)
psaDPhotosystem I reaction center subunit II. (143 aa)
psbTPhotosystem II reaction center T protein; Seems to play a role in the dimerization of PSII. Belongs to the PsbT family. (31 aa)
psbBPhotosystem II P680 chlorophyll A apoprotein (CP-47 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. (519 aa)
CAK22945.1Ferredoxin. (161 aa)
psbMPhotosystem II reaction center M 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. (34 aa)
petBCytochrome 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. (218 aa)
petDCytochrome b6-f complex 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. (147 aa)
psaEPhotosystem I reaction centre subunit IV; 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. (69 aa)
CAK23051.1Ferredoxin. (119 aa)
psaMpsaM photosystem I reaction centre subunit XII. (34 aa)
petJCytochrome C6. (110 aa)
petJ-2Cytochrome C6; Functions as an electron carrier between membrane-bound cytochrome b6-f and photosystem I in oxygenic photosynthesis. (120 aa)
petEPlastocyanin; Participates in electron transfer between P700 and the cytochrome b6-f complex in photosystem I. (119 aa)
psbA-2Photosystem 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. (358 aa)
psbA-3Photosystem II protein D1. (359 aa)
petJ-3Cytochrome C6. (113 aa)
CAK23432.1Putative cytochrome P450. (432 aa)
CAK23623.1Putative multicopper oxidase. (532 aa)
petNCytochrome B6-F complex subunit VIII; 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. (33 aa)
psaKPhotosystem I reaction center subunit X, PsaK. (85 aa)
petFFerredoxin. (121 aa)
pcyAPhycocyanobilin:ferredoxin oxidoreductase; Catalyzes the four-electron reduction of biliverdin IX-alpha (2-electron reduction at both the A and D rings); the reaction proceeds via an isolatable 2-electron intermediate, 181,182-dihydrobiliverdin. Belongs to the HY2 family. (244 aa)
psbYPhotosystem II PsbY protein; Manganese-binding polypeptide with L-arginine metabolizing enzyme activity. Component of the core of photosystem II. Belongs to the PsbY family. (40 aa)
petF-2Ferredoxin. (93 aa)
petGCytochrome b6-f complex subunit V; 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)
petMCytochrome B6-F complex subunit VII; 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. (32 aa)
ycf4Photosystem I assembly protein Ycf64 homolog; Seems to be required for the assembly of the photosystem I complex; Belongs to the Ycf4 family. (178 aa)
psbDPhotosystem II D2 protein; 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. (462 aa)
psaFPhotosystem I reaction centre PsaF protein. (159 aa)
psaJPhotosystem I reaction centre subunit IX; May help in the organization of the PsaE and PsaF subunits. Belongs to the PsaJ family. (37 aa)
petCCytochrome B6-F complex iron-sulfur 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. Belongs to the Rieske iron-sulfur protein family. (178 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. (310 aa)
psbVCytochrome c-550; Low-potential cytochrome c that plays a role in the oxygen- evolving complex of photosystem II. (170 aa)
petF-3Ferredoxin. (99 aa)
ftrVFerredoxin-thioredoxin reductase, variable chain. (73 aa)
CAK24508.1Hypothetical protein; Similar to psbA, assembly error ?. (42 aa)
psbA-4Photosystem II protein D1. (359 aa)
psbXPhotosystem II PsbX protein; Involved in the binding and/or turnover of quinones at the Q(B) site of Photosystem II. (40 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. (119 aa)
psbUPhotosystem II 12 kDa extrinsic PsbU 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. (125 aa)
psbD-2Photosystem II D2 protein. (351 aa)
ycf3Photosystem I assembly protein Ycf3; Essential for the assembly of the photosystem I (PSI) complex. May act as a chaperone-like factor to guide the assembly of the PSI subunits; Belongs to the Ycf3 family. (173 aa)
Your Current Organism:
Synechococcus sp. WH 7803
NCBI taxonomy Id: 32051
Other names: S. sp. WH 7803, Synechococcus WH7803, Synechococcus sp. (strain WH7803), Synechococcus sp. WH7803
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