6TRC
Cryo- EM structure of the Thermosynechococcus elongatus photosystem I in the presence of cytochrome c6
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, a, 1 | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 755 | 83267.8 | 3 | UniProt (P0A405) Pfam (PF00223) In PDB | Thermosynechococcus elongatus BP-1 | PsaA |
| 2 | B, b, 2 | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 741 | 83123.6 | 3 | UniProt (P0A407) Pfam (PF00223) In PDB | Thermosynechococcus elongatus BP-1 | PsaB |
| 3 | C, c, 3 | Photosystem I iron-sulfur center | polymer | 81 | 8809.2 | 3 | UniProt (P0A415) Pfam (PF12838) In PDB | Thermosynechococcus elongatus BP-1 | 9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC |
| 4 | D, d, 4 | Photosystem I reaction center subunit II | polymer | 139 | 15389.5 | 3 | UniProt (P0A420) Pfam (PF02531) In PDB | Thermosynechococcus elongatus BP-1 | Photosystem I 16 kDa polypeptide,PSI-D |
| 5 | E, e, 5 | Photosystem I reaction center subunit IV | polymer | 76 | 8399.5 | 3 | UniProt (P0A423) Pfam (PF02427) In PDB | Thermosynechococcus elongatus BP-1 | Photosystem I 8.1 kDa protein,p30 protein |
| 6 | F, f, 6 | Photosystem I reaction center subunit III | polymer | 141 | 15129.4 | 3 | UniProt (P0A401) Pfam (PF02507) In PDB | Thermosynechococcus elongatus BP-1 | PSI-F |
| 7 | I, i, 7 | Photosystem I reaction center subunit VIII | polymer | 38 | 4325.2 | 3 | UniProt (P0A427) Pfam (PF00796) In PDB | Thermosynechococcus elongatus BP-1 | |
| 8 | J, j, 8 | Photosystem I reaction center subunit IX | polymer | 41 | 4798.7 | 3 | UniProt (P0A429) Pfam (PF01701) In PDB | Thermosynechococcus elongatus BP-1 | |
| 9 | K, k, 9 | Photosystem I reaction center subunit PsaK | polymer | 83 | 8484.0 | 3 | UniProt (P0A425) Pfam (PF01241) In PDB | Thermosynechococcus elongatus BP-1 | Light-harvesting 8.0 kDa polypeptide,Photosystem I subunit X |
| 10 | L, l, 0 | Photosystem I reaction center subunit XI | polymer | 155 | 16287.8 | 3 | UniProt (Q8DGB4) Pfam (PF02605) In PDB | Thermosynechococcus elongatus BP-1 | PSI subunit V,PSI-L |
| 11 | M, m, y | Photosystem I reaction center subunit XII | polymer | 31 | 3426.1 | 3 | UniProt (P0A403) Pfam (PF07465) In PDB | Thermosynechococcus elongatus BP-1 | PSI-M |
| 12 | X, x, z | Photosystem I 4.8K protein | polymer | 36 | 4104.9 | 3 | UniProt (Q8DKP6) Pfam (PF08078) In PDB | Thermosynechococcus elongatus BP-1 | |
| 13 | A, a, 1 | CHLOROPHYLL A ISOMER | non-polymer | 893.5 | 3 | Chemie (CL0) | |||
| 14 | A, B, a, b, 1... | CHLOROPHYLL A | non-polymer | 893.5 | 288 | Chemie (CLA) | |||
| 15 | A, B, a, b, 2... | PHYLLOQUINONE | non-polymer | 450.7 | 6 | Chemie (PQN) | |||
| 16 | J, j, 7, A, K... | BETA-CAROTENE | non-polymer | 536.9 | 72 | Chemie (BCR) | |||
| 17 | l, 0, A, L, B... | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 15 | Chemie (LHG) | |||
| 18 | B, C, c, b, 2... | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 9 | Chemie (SF4) | |||
| 19 | L, l, B, 0, b... | CALCIUM ION | non-polymer | 40.1 | 6 | Chemie (CA) | |||
| 20 | B, b, 2 | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 3 | Chemie (LMG) | |||
| 21 | water | water | 18.0 | 651 | Chemie (HOH) |
Sequence modifications
L, l, 0: 0 - 154 (UniProt: Q8DGB4)
| PDB | External Database | Details |
|---|---|---|
| Leu 143 | Ser 144 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 36 |
| Total formula weight | 766637.2 | |
| Non-Polymers* | Number of molecules | 402 |
| Total formula weight | 317975.6 | |
| All* | Total formula weight | 1084612.7 |
