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psaB psaB psaA psaA psaK psaK psbK psbK psbP psbP psbU psbU psbA-1 psbA-1 psbB psbB psbT psbT psbA-2 psbA-2 CYB_0405 CYB_0405 psaC psaC psbY psbY psbX psbX psbC psbC psbD-1 psbD-1 petM petM psb27 psb27 psaE psaE psbH psbH psbE psbE psbF psbF psbL psbL psbJ psbJ psaL-1 psaL-1 psaI psaI petJ petJ psbO psbO CYB_1598 CYB_1598 psbW psbW petA petA petC petC petB petB petD petD petE petE psbZ psbZ atpC atpC psaD psaD psaL psaL CYB_2268 CYB_2268 CYB_2282 CYB_2282 petG petG psbI psbI atpD atpD psbV psbV psbV2 psbV2 CYB_2623 CYB_2623 atpG atpG atpA atpA atpH atpH atpF atpF atpG-2 atpG-2 atpE atpE atpB atpB psaM psaM psaF psaF psaJ psaJ psaL-2 psaL-2 CYB_2831 CYB_2831 petH petH
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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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a 3D structure is known or predicted
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psaBPhotosystem I core protein PsaB; 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. (744 aa)
psaAPhotosystem I core protein PsaA; 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. (755 aa)
psaKPhotosystem I reaction center protein PsaK. (81 aa)
psbKPhotosystem II reaction center 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. (42 aa)
psbPPhotosystem II oxygen evolving complex protein PsbP. (174 aa)
psbUPhotosystem II 12 kDa extrinsic protein PsbU; Stabilizes the structure of photosystem II oxygen-evolving complex (OEC), the ion environment of oxygen evolution and protects the OEC against heat-induced inactivation. (134 aa)
psbA-1Photosystem 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. (351 aa)
psbBPhotosystem II P680 chlorophyll A apoprotein; 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. (510 aa)
psbTPhotosystem II reaction center protein PsbT; Seems to play a role in the dimerization of PSII. Belongs to the PsbT family. (32 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. (354 aa)
CYB_0405Ferredoxin, 2Fe-2S; Identified by match to protein family HMM PF00111; match to protein family HMM TIGR02008. (99 aa)
psaCPhotosystem I iron-sulfur center, subunit VII; 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 characte [...] (82 aa)
psbYPhotosystem II protein PsbY; Manganese-binding polypeptide with L-arginine metabolizing enzyme activity. Component of the core of photosystem II. Belongs to the PsbY family. (50 aa)
psbXPhotosystem II reaction center protein PsbX; Involved in the binding and/or turnover of quinones at the Q(B) site of Photosystem II. (38 aa)
psbCPhotosystem II 44 kDa subunit reaction center 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. (472 aa)
psbD-1Photosystem 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. (352 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. (35 aa)
psb27Putative photosystem II 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)
psaEPhotosystem I reaction center subunit IV; Identified by match to protein family HMM PF02427. (74 aa)
psbHPhotosystem II reaction center protein PsbH; 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. (67 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. (81 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. (43 aa)
psbLPhotosystem II reaction center protein PsbL; 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. (41 aa)
psbJPhotosystem II reaction center protein PsbJ; 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. (39 aa)
psaL-1Photosystem I reaction center subunit XI; Identified by match to protein family HMM PF02605. (156 aa)
psaIPhotosystem I reaction center subunit VIII; Identified by match to protein family HMM PF00796. (37 aa)
petJCytochrome c6; Identified by similarity to SP:P28596; match to protein family HMM PF00034. (113 aa)
psbOPhotosystem II manganese-stabilizing protein; Identified by match to protein family HMM PF01716. (264 aa)
CYB_1598Ferredoxin, 2Fe-2S; Identified by match to protein family HMM PF00111; match to protein family HMM TIGR02008. (99 aa)
psbWPhotosystem II reaction center protein PsbW; Identified by match to protein family HMM PF03912; Belongs to the Psb28 family. (104 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. (327 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. (172 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. (229 aa)
petDCytochrome b6-f complex, subunit IV; 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. (170 aa)
petEPlastocyanin; Participates in electron transfer between P700 and the cytochrome b6-f complex in photosystem I. (136 aa)
psbZYCF9, conserved hypothetical protein; Controls the interaction of photosystem II (PSII) cores with the light-harvesting antenna; Belongs to the PsbZ family. (61 aa)
atpCATP synthase F1, epsilon subunit; Produces ATP from ADP in the presence of a proton gradient across the membrane. (137 aa)
psaDPhotosystem I reaction center subunit II; Identified by match to protein family HMM PF02531. (141 aa)
psaLPhotosystem II protein, PsbB/PsbC family; Identified by match to protein family HMM PF00421; match to protein family HMM PF02605. (526 aa)
CYB_2268Photosystem II protein, PsbB/PsbC family; Identified by match to protein family HMM PF00421. (344 aa)
CYB_2282Ferredoxin, 2Fe-2S; Identified by match to protein family HMM PF00111; match to protein family HMM TIGR02008. (127 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)
psbIPhotosystem II reaction center protein PsbI; 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)
atpDATP synthase F1, 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. (477 aa)
psbVCytochrome c550; Low-potential cytochrome c that plays a role in the oxygen- evolving complex of photosystem II. (180 aa)
psbV2Cytochrome, putative; Possible low-potential cytochrome c. (165 aa)
CYB_2623Iron-sulfur cluster-binding protein, Rieske family; Identified by match to protein family HMM PF00355. (150 aa)
atpGATP synthase F1, gamma subunit; 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. (314 aa)
atpAATP synthase F1, alpha subunit; 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)
atpHATP synthase F1, delta subunit; 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. (182 aa)
atpFATP synthase F0, B subunit; 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)
atpG-2ATP synthase F0, B' subunit; 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. (157 aa)
atpEATP synthase F0, C subunit; 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)
atpBATP synthase F0, A subunit; Key component of the proton channel; it plays a direct role in the translocation of protons across the membrane. (248 aa)
psaMPhotosystem I reaction center subunit XII; Identified by match to protein family HMM PF07465. (30 aa)
psaFPhotosystem I reaction center subunit III; Identified by match to protein family HMM PF02507. (181 aa)
psaJPhotosystem I reaction center subunit IX; May help in the organization of the PsaE and PsaF subunits. Belongs to the PsaJ family. (39 aa)
psaL-2Photosystem I reaction center subunit XI; Identified by match to protein family HMM PF02605. (159 aa)
CYB_2831Ferredoxin, 2Fe-2S; Identified by match to protein family HMM PF00111; match to protein family HMM TIGR02008. (105 aa)
petHferredoxin--NADP reductase; Identified by similarity to SP:P00454; match to protein family HMM PF00175. (296 aa)
Your Current Organism:
Synechococcus sp. JA23Ba
NCBI taxonomy Id: 321332
Other names: Cyanobacteria bacterium Yellowstone B-Prime, S. sp. JA-2-3B'a(2-13), Synechococcus sp. JA-2-3B'a(2-13)
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