Structure of Photosystem I from Chlamydomonas reinhardtii at 1.83 A resolution
Mahapatra, G.P., Schuller, J.M.(2026) Nature 
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Starting Model: experimental
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(2026) Nature 
Entity ID: 1 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Light-harvesting chlorophyll-a/b protein of photosystem I, type III | A [auth 3] | 221 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for A0ABF7PHF8 (Chlamydomonas reinhardtii) Explore A0ABF7PHF8  Go to UniProtKB:  A0ABF7PHF8 | |||||
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| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | A0ABF7PHF8 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 2 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Chlorophyll a-b binding protein, chloroplastic | B [auth 4] | 212 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for Q75VZ0 (Chlamydomonas reinhardtii) Explore Q75VZ0  Go to UniProtKB:  Q75VZ0 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | Q75VZ0 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 3 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Chlorophyll a-b binding protein, chloroplastic | C [auth 5] | 227 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for Q75VY8 (Chlamydomonas reinhardtii) Explore Q75VY8  Go to UniProtKB:  Q75VY8 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | Q75VY8 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 4 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Chlorophyll a-b binding protein, chloroplastic | D [auth 6] | 230 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for Q75VY6 (Chlamydomonas reinhardtii) Explore Q75VY6  Go to UniProtKB:  Q75VY6 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | Q75VY6 | ||||
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Entity ID: 5 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Chlorophyll a-b binding protein, chloroplastic | E [auth 7] | 213 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for Q84Y02 (Chlamydomonas reinhardtii) Explore Q84Y02  Go to UniProtKB:  Q84Y02 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | Q84Y02 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 6 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Chlorophyll a-b binding protein, chloroplastic | F [auth 8] | 217 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for Q75VY7 (Chlamydomonas reinhardtii) Explore Q75VY7  Go to UniProtKB:  Q75VY7 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | Q75VY7 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 7 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Photosystem I P700 chlorophyll a apoprotein A1 | G [auth A] | 742 | Chlamydomonas reinhardtii | Mutation(s): 0  EC: 1.97.1.12 | ![]() |
UniProt | |||||
Find proteins for P12154 (Chlamydomonas reinhardtii) Explore P12154  Go to UniProtKB:  P12154 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | P12154 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 8 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Photosystem I P700 chlorophyll a apoprotein A2 | H [auth B] | 733 | Chlamydomonas reinhardtii | Mutation(s): 0  EC: 1.97.1.12 | ![]() |
UniProt | |||||
Find proteins for P09144 (Chlamydomonas reinhardtii) Explore P09144  Go to UniProtKB:  P09144 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | P09144 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 9 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Photosystem I iron-sulfur center | I [auth C] | 80 | Chlamydomonas reinhardtii | Mutation(s): 0  EC: 1.97.1.12 | ![]() |
UniProt | |||||
Find proteins for Q00914 (Chlamydomonas reinhardtii) Explore Q00914  Go to UniProtKB:  Q00914 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | Q00914 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 10 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Photosystem I reaction center subunit II, chloroplastic | J [auth D] | 144 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for Q39615 (Chlamydomonas reinhardtii) Explore Q39615  Go to UniProtKB:  Q39615 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | Q39615 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 11 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Photosystem I reaction center subunit IV, chloroplastic | K [auth E] | 64 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for P12352 (Chlamydomonas reinhardtii) Explore P12352  Go to UniProtKB:  P12352 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | P12352 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 12 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Photosystem I reaction center subunit VIII | L [auth I] | 37 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for A8IFG7 (Chlamydomonas reinhardtii) Explore A8IFG7  Go to UniProtKB:  A8IFG7 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | A8IFG7 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 13 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Photosystem I reaction center subunit IX | M [auth J] | 41 | Chlamydomonas reinhardtii | Mutation(s): 1  | ![]() |
UniProt | |||||
Find proteins for P59777 (Chlamydomonas reinhardtii) Explore P59777  Go to UniProtKB:  P59777 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | P59777 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 14 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Photosystem I reaction center subunit psaK, chloroplastic | N [auth K] | 86 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for P14225 (Chlamydomonas reinhardtii) Explore P14225  Go to UniProtKB:  P14225 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | P14225 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 15 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Chlorophyll a-b binding protein, chloroplastic | O [auth Z], P [auth 1] | 194 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for Q7DM26 (Chlamydomonas reinhardtii) Explore Q7DM26  Go to UniProtKB:  Q7DM26 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | Q7DM26 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 16 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Photosystem I reaction center subunit III, chloroplastic | Q [auth F] | 165 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for P12356 (Chlamydomonas reinhardtii) Explore P12356  Go to UniProtKB:  P12356 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | P12356 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 17 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Photosystem I reaction center subunit V, chloroplastic | R [auth G] | 95 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
UniProt | |||||
Find proteins for P14224 (Chlamydomonas reinhardtii) Explore P14224  Go to UniProtKB:  P14224 | |||||
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | P14224 | ||||
Sequence AnnotationsExpand | |||||
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Entity ID: 18 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Chains: L | S [auth L] | 124 | Chlamydomonas reinhardtii | Mutation(s): 0  | ![]() |
Entity Groups   | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
Sequence AnnotationsExpand | |||||
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| Ligands 13 Unique | |||||
|---|---|---|---|---|---|
| ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
| DGD Query on DGD | LJ [auth B] | DIGALACTOSYL DIACYL GLYCEROL (DGDG) C51 H96 O15 LDQFLSUQYHBXSX-HXXRYREZSA-N | |||
| CHL (Subject of Investigation/LOI) Query on CHL | CL [auth 1] DD [auth 6] DK [auth Z] DL [auth 1] FD [auth 6] | CHLOROPHYLL B C55 H70 Mg N4 O6 MWVCRINOIIOUAU-UYSPMESUSA-M | |||
| CL0 (Subject of Investigation/LOI) Query on CL0 | JF [auth A] | CHLOROPHYLL A ISOMER C55 H72 Mg N4 O5 VIQFHHZSLDFWDU-DVXFRRMCSA-M | |||
| CLA (Subject of Investigation/LOI) Query on CLA | AA [auth 3] AB [auth 4] AC [auth 5] AD [auth 6] AE [auth 7] | CHLOROPHYLL A C55 H72 Mg N4 O5 ATNHDLDRLWWWCB-AENOIHSZSA-M | |||
| LMG Query on LMG | AM [auth G] EM [auth L] HF [auth 8] MB [auth 4] ME [auth 7] | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE C45 H86 O10 DCLTVZLYPPIIID-CVELTQQQSA-N | |||
| LHG Query on LHG | CH [auth A] DH [auth A] EF [auth 8] GD [auth 6] IE [auth 7] | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE C38 H75 O10 P BIABMEZBCHDPBV-MPQUPPDSSA-N | |||
| NEX (Subject of Investigation/LOI) Query on NEX | LD [auth 6], NC [auth 5] | (1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL C40 H56 O4 PGYAYSRVSAJXTE-OQASCVKESA-N | |||
| XAT (Subject of Investigation/LOI) Query on XAT | CF [auth 8] GE [auth 7] IB [auth 4] KD [auth 6] MC [auth 5] | (3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL C40 H56 O4 SZCBXWMUOPQSOX-WVJDLNGLSA-N | |||
| LUT (Subject of Investigation/LOI) Query on LUT | BF [auth 8] FE [auth 7] HB [auth 4] HD [auth 6] IA [auth 3] | (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL C40 H56 O2 KBPHJBAIARWVSC-NSIPBSJQSA-N | |||
| BCR (Subject of Investigation/LOI) Query on BCR | CK [auth K] DF [auth 8] DM [auth G] EH [auth A] FH [auth A] | BETA-CAROTENE C40 H56 OENHQHLEOONYIE-JLTXGRSLSA-N | |||
| LMU Query on LMU | FF [auth 8] JE [auth 7] KE [auth 7] KH [auth A] LH [auth A] | DODECYL-ALPHA-D-MALTOSIDE C24 H46 O11 NLEBIOOXCVAHBD-YHBSTRCHSA-N | |||
| PQN (Subject of Investigation/LOI) Query on PQN | AH [auth A], EJ [auth B] | PHYLLOQUINONE C31 H46 O2 MBWXNTAXLNYFJB-NKFFZRIASA-N | |||
| SF4 (Subject of Investigation/LOI) Query on SF4 | JH [auth A], PJ [auth C], QJ [auth C] | IRON/SULFUR CLUSTER Fe4 S4 LJBDFODJNLIPKO-UHFFFAOYSA-N | |||
| Task | Software Package | Version |
|---|---|---|
| RECONSTRUCTION | cryoSPARC | 4.7.1 |
| MODEL REFINEMENT | PHENIX | dev_5533 |
| Funding Organization | Location | Grant Number |
|---|---|---|
| German Research Foundation (DFG) | Germany | -- |