4y28

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Current revision (11:32, 6 November 2024) (edit) (undo)
 
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== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[4y28]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Pisum_sativum Pisum sativum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4Y28 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4Y28 FirstGlance]. <br>
<table><tr><td colspan='2'>[[4y28]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Pisum_sativum Pisum sativum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4Y28 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4Y28 FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BCR:BETA-CAROTENE'>BCR</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CHL:CHLOROPHYLL+B'>CHL</scene>, <scene name='pdbligand=CL0:CHLOROPHYLL+A+ISOMER'>CL0</scene>, <scene name='pdbligand=CLA:CHLOROPHYLL+A'>CLA</scene>, <scene name='pdbligand=DGD:DIGALACTOSYL+DIACYL+GLYCEROL+(DGDG)'>DGD</scene>, <scene name='pdbligand=LHG:1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE'>LHG</scene>, <scene name='pdbligand=LMG:1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE'>LMG</scene>, <scene name='pdbligand=LMU:DODECYL-ALPHA-D-MALTOSIDE'>LMU</scene>, <scene name='pdbligand=LUT:(3R,3R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3-DIOL'>LUT</scene>, <scene name='pdbligand=PQN:PHYLLOQUINONE'>PQN</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene>, <scene name='pdbligand=ZEX:(3S,5R,6S,3S,5R,6S)+BETA-CAROTENE-3,23-DIOL'>ZEX</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.8&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BCR:BETA-CAROTENE'>BCR</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CLA:CHLOROPHYLL+A'>CLA</scene>, <scene name='pdbligand=DGD:DIGALACTOSYL+DIACYL+GLYCEROL+(DGDG)'>DGD</scene>, <scene name='pdbligand=LHG:1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE'>LHG</scene>, <scene name='pdbligand=LMG:1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE'>LMG</scene>, <scene name='pdbligand=LMU:DODECYL-ALPHA-D-MALTOSIDE'>LMU</scene>, <scene name='pdbligand=LUT:(3R,3R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3-DIOL'>LUT</scene>, <scene name='pdbligand=PQN:PHYLLOQUINONE'>PQN</scene>, <scene name='pdbligand=ZEX:(3S,5R,6S,3S,5R,6S)+BETA-CAROTENE-3,23-DIOL'>ZEX</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4y28 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4y28 OCA], [https://pdbe.org/4y28 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4y28 RCSB], [https://www.ebi.ac.uk/pdbsum/4y28 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4y28 ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4y28 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4y28 OCA], [https://pdbe.org/4y28 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4y28 RCSB], [https://www.ebi.ac.uk/pdbsum/4y28 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4y28 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[https://www.uniprot.org/uniprot/PSAB_PEA PSAB_PEA] 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-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 (By similarity).
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[https://www.uniprot.org/uniprot/PSAA_PEA PSAA_PEA] 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-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.
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== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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==See Also==
==See Also==
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*[[Photosystem I|Photosystem I]]
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*[[Photosystem I 3D structures|Photosystem I 3D structures]]
== References ==
== References ==
<references/>
<references/>

Current revision

The structure of plant photosystem I super-complex at 2.8 angstrom resolution.

PDB ID 4y28

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