2O01: Plant photosystem I supercomplex
The Structure of a plant photosystem I supercomplex at 3.4 Angstrom resolution. Determined by X-ray diffraction at 3.4 Å resolution. Released 8 May 2007.
- Method
- X-ray diffraction
- Resolution
- 3.4 Å
- Organisms
- Pisum sativum, Spinacia oleracea, Arabidopsis thaliana
- Chains
- 17
- Atoms
- 29,846
- Mol. weight
- 504.25 kDa
- Ligands
- CLA, PQN, BCR, SF4
- Released
- 8 May 2007
Explore 2O01 in 3D
Show helices and sheets
RCSB PDB
PDBe
Secondary structure: helices and β-sheets
2O01 contains 133 α-helices and 26 β-strands across 17 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.
Chain 1: 4 helices, 0 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 45-51 | 7 | |
| α-helix | 97-108 | 12 | |
| α-helix | 146-149 | 4 | |
| α-helix | 151-165 | 15 | |
Chain 2: 5 helices, 0 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 47-59 | 13 | |
| α-helix | 63-69 | 7 | |
| α-helix | 95-101 | 7 | |
| α-helix | 103-107 | 5 | |
| α-helix | 158-176 | 19 | |
Chain 3: 4 helices, 0 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 61-73 | 13 | |
| α-helix | 118-125 | 8 | |
| α-helix | 127-131 | 5 | |
| α-helix | 186-200 | 15 | |
Chain 4: 5 helices, 2 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 42-52 | 11 | |
| α-helix | 54-57 | 4 | |
| α-helix | 90-96 | 7 | |
| α-helix | 98-110 | 13 | |
| β-strand | 136 | 1 | 14 |
| β-strand | 138 | 1 | 14 |
| α-helix | 156-170 | 15 | |
Chain A: 39 helices, 5 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 50 | 1 | 1 |
| α-helix | 71-73 | 3 | |
| α-helix | 75-78 | 4 | |
| α-helix | 84-93 | 10 | |
| α-helix | 98-101 | 4 | |
| β-strand | 121 | 1 | 2 |
| α-helix | 130-132 | 3 | |
| β-strand | 143 | 1 | 2 |
| α-helix | 150-153 | 4 | |
| α-helix | 161-164 | 4 | |
| α-helix | 168-179 | 12 | |
| α-helix | 186-188 | 3 | |
| α-helix | 201-205 | 5 | |
| α-helix | 208-212 | 5 | |
| α-helix | 216-220 | 5 | |
| α-helix | 221-226 | 6 | |
| α-helix | 228-231 | 4 | |
| α-helix | 254-257 | 4 | |
| α-helix | 274-278 | 5 | |
| β-strand | 305-309 | 5 | 3 |
| α-helix | 331-333 | 3 | |
| α-helix | 349-352 | 4 | |
| α-helix | 354-357 | 4 | |
| α-helix | 360-367 | 8 | |
| α-helix | 394-396 | 3 | |
| α-helix | 398-407 | 10 | |
| α-helix | 431-438 | 8 | |
| α-helix | 444-447 | 4 | |
| α-helix | 449-452 | 4 | |
| α-helix | 461-465 | 5 | |
| α-helix | 541-544 | 4 | |
| α-helix | 557-561 | 5 | |
| α-helix | 594-609 | 16 | |
| α-helix | 613-616 | 4 | |
| α-helix | 642-644 | 3 | |
| α-helix | 662-665 | 4 | |
| α-helix | 680-683 | 4 | |
| α-helix | 690-693 | 4 | |
| α-helix | 698-701 | 4 | |
| α-helix | 706-708 | 3 | |
| α-helix | 709-712 | 4 | |
| β-strand | 721 | 1 | 1 |
| α-helix | 727-730 | 4 | |
| α-helix | 738-749 | 12 | |
Chain B: 44 helices, 8 β-strands
| Element | Residues | Length | Sheet |
|---|
| α-helix | 11-14 | 4 | |
| α-helix | 19-25 | 7 | |
| α-helix | 31-33 | 3 | |
| α-helix | 42-50 | 9 | |
| α-helix | 53-58 | 6 | |
| α-helix | 62-67 | 6 | |
| α-helix | 74-77 | 4 | |
| β-strand | 87 | 1 | 4 |
| α-helix | 100-104 | 5 | |
| β-strand | 115 | 1 | 4 |
| α-helix | 123-126 | 4 | |
| α-helix | 137-144 | 8 | |
| α-helix | 149-153 | 5 | |
| α-helix | 166-169 | 4 | |
| α-helix | 177-180 | 4 | |
| α-helix | 181-185 | 5 | |
| α-helix | 186-196 | 11 | |
| α-helix | 199-202 | 4 | |
| α-helix | 280-282 | 3 | |
| α-helix | 336-347 | 12 | |
| β-strand | 350 | 1 | 5 |
| β-strand | 352 | 1 | 5 |
| α-helix | 370-381 | 12 | |
| α-helix | 393-396 | 4 | |
| α-helix | 408-413 | 6 | |
| α-helix | 419-421 | 3 | |
| α-helix | 436-439 | 4 | |
| α-helix | 460-462 | 3 | |
| β-strand | 490 | 1 | 6 |
| β-strand | 493 | 1 | 6 |
| α-helix | 496-499 | 4 | |
| α-helix | 516-526 | 11 | |
| α-helix | 527-529 | 3 | |
| α-helix | 534-537 | 4 | |
| α-helix | 540-542 | 3 | |
| α-helix | 550-553 | 4 | |
| α-helix | 563-565 | 3 | |
| α-helix | 573-589 | 17 | |
| α-helix | 592-595 | 4 | |
| β-strand | 596 | 1 | 7 |
| α-helix | 599-602 | 4 | |
| α-helix | 617-619 | 3 | |
| α-helix | 620-625 | 6 | |
| α-helix | 631-633 | 3 | |
| α-helix | 636-638 | 3 | |
| α-helix | 646-656 | 11 | |
| α-helix | 662-665 | 4 | |
| α-helix | 671-676 | 6 | |
| α-helix | 713-718 | 6 | |
| α-helix | 721-724 | 4 | |
| α-helix | 728-731 | 4 | |
| β-strand | 732 | 1 | 8 |
Chain C: 0 helices, 2 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 4 | 1 | 9 |
| β-strand | 67 | 1 | 9 |
Chain D: 1 helix, 5 β-strands
| Element | Residues | Length | Sheet |
|---|
| β-strand | 47-49 | 3 | 10 |
| β-strand | 58-60 | 3 | 11 |
| β-strand | 63-66 | 4 | 11 |
| β-strand | 75-76 | 2 | 10 |
| α-helix | 82-89 | 8 | |
| β-strand | 99-101 | 3 | 10 |
9 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.
Molecules and chains
| Molecule | Chains | Type | Length | Organism | UniProt |
|---|
| Photosystem I P700 chlorophyll a apoprotein A1 | A | protein | 754 | Pisum sativum | P05310 (AlphaFold model) |
| Photosystem I P700 chlorophyll a apoprotein A2 | B | protein | 732 | Pisum sativum | P05311 (AlphaFold model) |
| Photosystem I iron-sulfur center | C | protein | 80 | Pisum sativum | P10793 (AlphaFold model) |
| Photosystem I reaction center subunit II, chloroplast | D | protein | 138 | Spinacia oleracea | P12353 (AlphaFold model) |
| Photosystem I reaction center subunit IV A, chloroplast | E | protein | 62 | Arabidopsis thaliana | Q9S831 |
| Photosystem I reaction center subunit III, chloroplast | F | protein | 154 | Spinacia oleracea | P12355 |
| Photosystem I reaction center subunit V, chloroplast | G | protein | 95 | Spinacia oleracea | P12357 |
| Photosystem I reaction center subunit VI, chloroplast | H | protein | 75 | Spinacia oleracea | P22179 |
| Photosystem I reaction center subunit VIII | I | protein | 30 | Pisum sativum | P17227 |
| Photosystem I reaction center subunit IX | J | protein | 42 | Spinacia oleracea | P17230 |
| Photosystem I reaction center subunit psaK, chloroplast | K | protein | 38 | Arabidopsis thaliana | |
| Photosystem I reaction center subunit XI, chloroplast | L | protein | 164 | Spinacia oleracea | Q41385 |
5 more molecules are not listed.
Sequence of entity 1 (A), FASTA
>2O01_1 Photosystem I P700 chlorophyll a apoprotein A1 (chains A)
SPEPKVQILADPEVKILVDRDPIKTSFEQWAKPGHFSRTIAKGPDTTTWIWNLHADAHDF
DSHTSDLEEISRKVFSAHFGQLSIIFLWLSGMYFHGARFSNYEAWLNDPTHIGPSAQVVW
PIVGQEILNGDVGGGFRGIQITSGFFQIWRASGITSELQLYCTAIGALVFAGLMLFAGWF
HYHKAAPKLAWFQDVESMLNHHLAGLLGLGSLSWAGHQVHVSLPINQFLNAGVDPKEIPL
PHEFILNRDLLAQLYPSFAEGATPFFTLNWSKYADFLTFRGGLDPLTGGLWLTDIAHHHL
AIAILFLIAGHMYRTNWGIGHGIKDILEAHKGPFTGQGHKGLYEILTTSWHAQLSINLAM
LGSLTIVVAQHMYSMPPYPYLATDYATQLSLFTHHMWIGGFLIVGAAAHAAIFMVRDYDP
TTRYNDLLDRVLRHRDAIISHLNWVCIFLGFHSFGLYIHNDTMSALGRPQDMFSDTAIQL
QPVFAQWIQNTHALAPGTTAPGATASTSLTWGGGDLVAVGNKVALLPIPLGTADFLVHHI
HAFTIHVTVLILLKGVLFARSSRLIPDKANLGFRFPCDGPGRGGTCQVSAWDHVFLGLFW
MYNSISVVIFHFSWKMQSDVWGTINDQGVVTHITAGNFAQSSITINGWLRDFLWAQASQV
IQSYGSSLSAYGLFFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPATQPRA
LSIVQGRAVGVTHYLLGGIATTWAFFLARIIAVG
Sequence of entity 2 (B), FASTA
>2O01_2 Photosystem I P700 chlorophyll a apoprotein A2 (chains B)
ALRIPRFSQGIAQDPTTRRIWFGIATAHDFESHDDITEGRLYQNIFASHFGQLAIIFLWT
SGNLFHVAWQGNFEAWVQDPFHVRPIAHAIWDPHFGQPAVEAFTRGGALGPVNNAYSGVY
QWWYTIGLRTNEDLYTGAIFLLFLSAISLLAGWLHLQPKWKPSVSWFKNAESRLNHHLSG
LFGVSSLAWAGHLVHVAIPGSRGEYVRWNNFLDVLPYPQGLGPLLTGQWNLYAQNPSSSN
HLFGTTQGAGTAILTILGGFHPQTQSLWLTDVAHHHLAIAFLFLIGGLMYRTNFGIGHSI
KYILEAHIPPGGRLGRGHKGLYDTINNSIHFQLGLALASLGVITSLVAQHMYSLPAYAFI
AQDFTTQAALYTHHQYIAGFIMTGAFAHGPIFFIRDYNPEQNADNVLARMLEHKEAIISH
LSWASLFLGFHTLGLYVHNDVMLAFGTPEKQILIEPIFAQWIQSAHGKTTYGFDIPLSST
NGPALNAGRNIWLPGWLNAINENSNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDA
RGSKLMPDKKDFGYSFPCDGPGRGGTCDISAWDDFYLAVFWMLNTIGWVTFYWHWKHITL
WRGNVSQFNESSTYLMGWLRDYLWLNSSQLINGITPLVCNSLSVWAWMFLFGHLVWATGF
MFLISWRGYWQELIETLAWAHERTPLANLIRWRDKPVALSIVQARLVGLVHFSVGYIFTY
AAFLIASTSGKF
Sequence of entity 3 (C), FASTA
>2O01_3 Photosystem I iron-sulfur center (chains C)
SHSVKIYDTCIGCTQCVRACPTDVLEMIPWGGCKAKQIASAPRTEDCVGCKRCESACPTD
FLSVRVYLWHETTRSMGLAY
Sequence of entity 4 (D), FASTA
>2O01_4 Photosystem I reaction center subunit II, chloroplast (chains D)
ELDPNTPSPIFAGSTGGLLRKAQVEEFYVITWESPKEQIFEMPTGGAAIMREGPNLLKLA
RKEQCLALGTRLRSKYKIKYQFYRVFPSGEVQYLHPKDGVYPEKVNPGRQGVGLNMRSIG
KNVSPIEVKFTGKQPYDL
Sequence of entity 5 (E), FASTA
>2O01_5 Photosystem I reaction center subunit IV A, chloroplast (chains E)
PKRGSKVKILRRESYWFKNVGSVVAVDQDPKTRYPVVVRFAKVNYANISTNNYALDEVEE
VA
Sequence of entity 6 (F), FASTA
>2O01_6 Photosystem I reaction center subunit III, chloroplast (chains F)
DIAGLTPCKESKQFAKREKQALKKLQASLKLYADDSAPALAIKATMEKTKKRFDNYGKYG
LLCGSDGLPHLIVSGDQRHWGEFITPGILFLYIAGWIGWVGRSYLIAIRDEKKPTQKEII
IDVPLASSLLFRGFSWPVAAYRELLNGELVDNNF
Sequence of entity 7 (G), FASTA
>2O01_7 Photosystem I reaction center subunit V, chloroplast (chains G)
PSLVISLSTGLSLFLGRFVFFNFQRENMAKQVPEQNGMSHFEAGDTRAKEYVSLLKSNDP
VGFNIVDVLAWGSIGHIVAYYILATASNGYDPSFF
Sequence of entity 8 (H), FASTA
>2O01_8 Photosystem I reaction center subunit VI, chloroplast (chains H)
WDVYGSDAPSPYNSLQSKFFETFAAPFTKRGLLLKFLILGGGSLLTYVSANAPQDVLPIT
RGPQQPPKLGPRGKI
Sequence of entity 9 (I), FASTA
>2O01_9 Photosystem I reaction center subunit VIII (chains I)
MINLPSLFVPLVGLLFPAVAMASLFLHVEK
Sequence of entity 10 (J), FASTA
>2O01_10 Photosystem I reaction center subunit IX (chains J)
MRDFKTYLSVAPVLSTLWFGSLAGLLIEINRFFPDALTFPFF
Sequence of entity 11 (K), FASTA
>2O01_11 Photosystem I reaction center subunit psaK, chloroplast (chains K)
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
Sequence of entity 12 (L), FASTA
>2O01_12 Photosystem I reaction center subunit XI, chloroplast (chains L)
KPTYQVIQPLNGDPFIGGLETPVTSSPLIAWYLSNLPAYRTAVNPLLRGVEVGLAHGFLL
VGPFVKAGPLRNTEYAGAAGSLAAAGLVVILSMCLTMYGIASFKEGEPSIAPALTLTGRK
KQPDQLQSADGWAKFTGGFFFGGVSGVTWACFLMYVLDLPYYFK
Ligands and cofactors
| ID | Name | Formula | Copies |
|---|
| CLA | Chlorophyll a | C55 H72 Mg N4 O5 | 168 |
| PQN | Phylloquinone | C31 H46 O2 | 2 |
| BCR | Beta-carotene | C40 H56 | 5 |
| SF4 | Iron/sulfur cluster | Fe4 S4 | 3 |
Primary citation
The structure of a plant photosystem I supercomplex at 3.4 A resolution. Amunts, A., Drory, O., Nelson, N. Nature (2007) 447:58-63. DOI 10.1038/nature05687 · PubMed
Other PDB entries of the same protein (UniProt P05310 (AlphaFold model), which also has an AlphaFold model), best resolution first:
- 7DKZ 2.39 Å, Structure of plant photosystem I-light harvesting complex I supercomplex
- 5L8R 2.6 Å, The structure of plant photosystem I super-complex at 2.6 angstrom resolution.
- 4XK8 2.8 Å, Crystal structure of plant photosystem I-LHCI super-complex at 2.8 angstrom resolution
- 4Y28 2.8 Å, The structure of plant photosystem I super-complex at 2.8 angstrom resolution.
- 4RKU 3.0 Å, Crystal structure of plant Photosystem I at 3 Angstrom resolution
- 2WSC 3.3 Å, Improved Model of Plant Photosystem I
- 3LW5 3.3 Å, Improved model of plant photosystem I
- 2WSF 3.48 Å, Improved Model of Plant Photosystem I
- 2WSE 3.49 Å, Improved Model of Plant Photosystem I
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