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, M, Y (A, a, 1) | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 755 | 83267.8 | 3 | UniProt (P0A405) Pfam (PF00223) | Thermosynechococcus elongatus BP-1 | PsaA |
| 2 | B, N, Z (B, b, 2) | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 741 | 83123.6 | 3 | UniProt (P0A407) Pfam (PF00223) | Thermosynechococcus elongatus BP-1 | PsaB |
| 3 | AA, C, O (C, c, 3) | Photosystem I iron-sulfur center | polymer | 81 | 8809.2 | 3 | UniProt (P0A415) Pfam (PF12838) | Thermosynechococcus elongatus BP-1 | 9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC |
| 4 | BA, D, P (D, d, 4) | Photosystem I reaction center subunit II | polymer | 139 | 15389.5 | 3 | UniProt (P0A420) Pfam (PF02531) | Thermosynechococcus elongatus BP-1 | Photosystem I 16 kDa polypeptide,PSI-D |
| 5 | CA, E, Q (E, e, 5) | Photosystem I reaction center subunit IV | polymer | 76 | 8399.5 | 3 | UniProt (P0A423) Pfam (PF02427) | Thermosynechococcus elongatus BP-1 | Photosystem I 8.1 kDa protein,p30 protein |
| 6 | DA, F, R (F, f, 6) | Photosystem I reaction center subunit III | polymer | 141 | 15129.4 | 3 | UniProt (P0A401) Pfam (PF02507) | Thermosynechococcus elongatus BP-1 | PSI-F |
| 7 | EA, G, S (I, i, 7) | Photosystem I reaction center subunit VIII | polymer | 38 | 4325.2 | 3 | UniProt (P0A427) Pfam (PF00796) | Thermosynechococcus elongatus BP-1 | |
| 8 | FA, H, T (J, j, 8) | Photosystem I reaction center subunit IX | polymer | 41 | 4798.7 | 3 | UniProt (P0A429) Pfam (PF01701) | Thermosynechococcus elongatus BP-1 | |
| 9 | GA, I, U (K, k, 9) | Photosystem I reaction center subunit PsaK | polymer | 83 | 8484.0 | 3 | UniProt (P0A425) Pfam (PF01241) | Thermosynechococcus elongatus BP-1 | Light-harvesting 8.0 kDa polypeptide,Photosystem I subunit X |
| 10 | HA, J, V (L, l, 0) | Photosystem I reaction center subunit XI | polymer | 155 | 16287.8 | 3 | UniProt (Q8DGB4) Pfam (PF02605) | Thermosynechococcus elongatus BP-1 | PSI subunit V,PSI-L |
| 11 | IA, K, W (M, m, y) | Photosystem I reaction center subunit XII | polymer | 31 | 3426.1 | 3 | UniProt (P0A403) Pfam (PF07465) | Thermosynechococcus elongatus BP-1 | PSI-M |
| 12 | JA, L, X (X, x, z) | Photosystem I 4.8K protein | polymer | 36 | 4104.9 | 3 | UniProt (Q8DKP6) Pfam (PF08078) | Thermosynechococcus elongatus BP-1 | |
| 13 | KA, PF, SK (A, a, 1) | CHLOROPHYLL A ISOMER | non-polymer | 893.5 | 3 | Chemie (CL0) | |||
| 14 | AB, AC, AD, AE, AG... (A, B, a, b, 1...) | CHLOROPHYLL A | non-polymer | 893.5 | 288 | Chemie (CLA) | |||
| 15 | CC, DE, GH, GJ, JO... (A, B, a, b, 2...) | PHYLLOQUINONE | non-polymer | 450.7 | 6 | Chemie (PQN) | |||
| 16 | AF, AK, AP, BK, CK... (J, j, 7, A, K...) | BETA-CAROTENE | non-polymer | 536.9 | 72 | Chemie (BCR) | |||
| 17 | GK, HK, JP, KC, KF... (l, 0, A, L, B...) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 15 | Chemie (LHG) | |||
| 18 | NC, OE, PE, PJ, QH... (B, C, c, b, 2...) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 9 | Chemie (SF4) | |||
| 19 | FF, KK, OC, OP, RH... (L, l, B, 0, b...) | CALCIUM ION | non-polymer | 40.1 | 6 | Chemie (CA) | |||
| 20 | KE, NJ, QO (B, b, 2) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 3 | Chemie (LMG) | |||
| 21 | AQ, AR, BQ, BR, CQ... (E, 9, F, 0, I...) | 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 |
