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psbC psbC psbD psbD ACL42889.1 ACL42889.1 ycf3 ycf3 psaK psaK psbY psbY psaK-2 psaK-2 psbM psbM psbB psbB psbT psbT ACL43261.1 ACL43261.1 ycf4 ycf4 psbA psbA ACL43574.1 ACL43574.1 psaE psaE psbX psbX psbA-2 psbA-2 psaC psaC psaL psaL psaI psaI psbI psbI psbE psbE psbF psbF psbJ psbJ psaM psaM psbU psbU ACL44792.1 ACL44792.1 psbZ psbZ ACL45005.1 ACL45005.1 psaB psaB psbA-3 psbA-3 psbN psbN psbH psbH ACL45857.1 ACL45857.1 psbK psbK ACL46180.1 ACL46180.1 psbV psbV psaJ psaJ ACL46316.1 ACL46316.1 psaE-2 psaE-2 ACL46557.1 ACL46557.1 ACL46687.1 ACL46687.1 ycf12 ycf12 psaB-2 psaB-2 psaA psaA ACL47328.1 ACL47328.1
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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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proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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from curated databases
experimentally determined
Predicted Interactions
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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. (473 aa)
psbDPhotosystem II D2 protein (photosystem q(a) 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 s [...] (352 aa)
ACL42889.1PFAM: photosystem II manganese-stabilizing protein PsbO; KEGG: tel:tll0444 photosystem II manganese-stabilizing polypeptide. (274 aa)
ycf3TPR repeat-containing protein; 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)
psaKTIGRFAM: photosystem I reaction center subunit PsaK; PFAM: photosystem I psaG/psaK protein; KEGG: cyt:cce_0400 photosystem I reaction center subunit X. (86 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. (39 aa)
psaK-2TIGRFAM: photosystem I reaction center subunit PsaK; PFAM: photosystem I psaG/psaK protein; KEGG: tel:tsr2273 photosystem I reaction center subunit X. (87 aa)
psbMPhotosystem II reaction center protein PsbM; 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. (39 aa)
psbBPhotosystem II chlorophyll-binding protein CP47; 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 protein PsbT; Seems to play a role in the dimerization of PSII. Belongs to the PsbT family. (32 aa)
ACL43261.1TIGRFAM: photosystem I reaction center subunit PsaK; KEGG: ana:alr5290 similar to photosystem I PsaK. (97 aa)
ycf4Photosystem I assembly Ycf4; Seems to be required for the assembly of the photosystem I complex; Belongs to the Ycf4 family. (188 aa)
psbAPhotosystem q(b) 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. (360 aa)
ACL43574.1PFAM: photosystem I reaction centre subunit XI PsaL; KEGG: ana:all0107 photosystem I reaction center subunit XI. (216 aa)
psaEPhotosystem I reaction centre subunit IV/PsaE; 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. (125 aa)
psbXPhotosystem II protein PsbX; Involved in the binding and/or turnover of quinones at the Q(B) site of Photosystem II. (50 aa)
psbA-2Photosystem q(b) 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. (360 aa)
psaCPhotosystem I iron-sulfur protein 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 characterized a [...] (81 aa)
psaLPFAM: photosystem I reaction centre subunit XI PsaL; KEGG: tel:tlr2404 photosystem I reaction center subunit XI. (159 aa)
psaIPhotosystem I reaction center subunit VIII; May help in the organization of the PsaL subunit. Belongs to the PsaI family. (41 aa)
psbIPhotosystem II 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)
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. (84 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. (44 aa)
psbJPhotosystem II 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)
psaMTIGRFAM: photosystem I reaction center subunit XII; PFAM: photosystem I M family protein; KEGG: tel:tsr0197 photosystem I reaction center subunit XII. (31 aa)
psbUPhotosystem II oxygen evolving complex 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. (140 aa)
ACL44792.1TIGRFAM: chlorophyll a/b binding light-harvesting protein; PFAM: photosystem antenna family protein; KEGG: cyt:cce_1785 iron-stress chlorophyll-binding protein, photosystem II CP43 protein. (342 aa)
psbZPhotosystem II core protein PsbZ; Controls the interaction of photosystem II (PSII) cores with the light-harvesting antenna; Belongs to the PsbZ family. (62 aa)
ACL45005.1PFAM: photosystem II oxygen evolving complex protein PsbU; KEGG: amr:AM1_D0138 photosystem II 12 kDa extrinsic protein PsbU. (138 aa)
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; Belongs to the PsaA/PsaB family. (746 aa)
psbA-3Photosystem q(b) 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. (360 aa)
psbNPhotosystem II protein PsbN; May play a role in photosystem I and II biogenesis. Belongs to the PsbN family. (43 aa)
psbHPhotosystem II phosphoprotein 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)
ACL45857.1PFAM: photosystem I reaction centre subunit IX / PsaJ; KEGG: ana:asl3190 similar to photosystem I subunit IX (psaJ). (70 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. (45 aa)
ACL46180.1TIGRFAM: photosystem II cytochrome PsbV2; KEGG: tel:tll1284 cytochrome c550 like protein. (165 aa)
psbVCytochrome c-550; Low-potential cytochrome c that plays a role in the oxygen- evolving complex of photosystem II. (162 aa)
psaJPhotosystem I reaction centre subunit IX / PsaJ; May help in the organization of the PsaE and PsaF subunits. Belongs to the PsaJ family. (41 aa)
ACL46316.1PFAM: photosystem I reaction center protein PsaF subunit III; KEGG: tel:tlr2411 plastocyanin docking protein. (164 aa)
psaE-2Photosystem I reaction centre subunit IV/PsaE; 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. (77 aa)
ACL46557.1PFAM: photosystem I protein PsaD; KEGG: tel:tll1724 photosystem I subunit II. (140 aa)
ACL46687.1PFAM: photosystem one PsaX; KEGG: ana:asr1283 photosystem I 4.8K protein. (43 aa)
ycf12Protein of unknown function DUF888; A core subunit of photosystem II (PSII); Belongs to the Ycf12 family. (44 aa)
psaB-2Photosystem 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; Belongs to the PsaA/PsaB family. (742 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. (756 aa)
ACL47328.1TIGRFAM: photosystem II D2 protein (photosystem q(a) protein); PFAM: photosynthetic reaction centre protein; KEGG: tel:tlr1630 photosystem II reaction center D2 protein. (352 aa)
Your Current Organism:
Cyanothece sp. PCC7425
NCBI taxonomy Id: 395961
Other names: C. sp. PCC 7425, Cyanothece sp. ATCC 29141, Cyanothece sp. PCC 7425, Synechococcus sp. PCC 7425
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