6PGK
Membrane Protein Megahertz Crystallography at the European XFEL, Photosystem I XFEL at 2.9 A
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, G, Y (A, G, Y) | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 755 | 83267.8 | 3 | UniProt (P0A405) Pfam (PF00223) | Thermosynechococcus elongatus (strain BP-1) | PsaA |
| 2 | B, H, Z (B, H, Z) | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 741 | 83123.6 | 3 | UniProt (P0A407) Pfam (PF00223) | Thermosynechococcus elongatus (strain BP-1) | PsaB |
| 3 | AA, C, N (C, N, a) | Photosystem I iron-sulfur center | polymer | 81 | 8809.2 | 3 | UniProt (P0A415) Pfam (PF12838) | Thermosynechococcus elongatus (strain BP-1) | 9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC |
| 4 | BA, D, O (D, O, b) | Photosystem I reaction center subunit II | polymer | 139 | 15389.5 | 3 | UniProt (P0A420) Pfam (PF02531) | Thermosynechococcus elongatus (strain BP-1) | Photosystem I 16 kDa polypeptide,PSI-D |
| 5 | CA, E, P (E, P, c) | Photosystem I reaction center subunit IV | polymer | 76 | 8399.5 | 3 | UniProt (P0A423) Pfam (PF02427) | Thermosynechococcus elongatus (strain BP-1) | Photosystem I 8.1 kDa protein,p30 protein |
| 6 | DA, F, Q (F, Q, d) | Photosystem I reaction center subunit III | polymer | 164 | 17716.6 | 3 | UniProt (P0A401) Pfam (PF02507) | Thermosynechococcus elongatus (strain BP-1) | PSI-F |
| 7 | EA, I, R (I, R, e) | Photosystem I reaction center subunit VIII | polymer | 38 | 4297.2 | 3 | UniProt (P0A427) Pfam (PF00796) | Thermosynechococcus elongatus (strain BP-1) | |
| 8 | FA, J, S (J, S, f) | Photosystem I reaction center subunit IX | polymer | 41 | 4770.7 | 3 | UniProt (P0A429) Pfam (PF01701) | Thermosynechococcus elongatus (strain BP-1) | |
| 9 | GA, K, T (K, T, g) | Photosystem I reaction center subunit PsaK | polymer | 83 | 8484.0 | 3 | UniProt (P0A425) Pfam (PF01241) | Thermosynechococcus elongatus (strain BP-1) | Light-harvesting 8.0 kDa polypeptide,Photosystem I subunit X |
| 10 | HA, L, U (L, U, h) | Photosystem I reaction center subunit XI | polymer | 155 | 16287.8 | 3 | UniProt (Q8DGB4) Pfam (PF02605) | Thermosynechococcus elongatus (strain BP-1) | PSI subunit V,PSI-L |
| 11 | IA, M, V (M, V, i) | Photosystem I reaction center subunit XII | polymer | 31 | 3426.1 | 3 | UniProt (P0A403) Pfam (PF07465) | Thermosynechococcus elongatus (strain BP-1) | PSI-M |
| 12 | JA, W, X (W, X, j) | Photosystem I 4.8K protein | polymer | 39 | 4424.3 | 3 | UniProt (Q8DKP6) Pfam (PF08078) | Thermosynechococcus elongatus (strain BP-1) | |
| 13 | FK, KA, OE (Y, A, G) | CHLOROPHYLL A ISOMER | non-polymer | 893.5 | 3 | Chemie (CL0) | |||
| 14 | AB, AD, AF, AG, AH... (A, B, G, H, L...) | CHLOROPHYLL A | non-polymer | 893.5 | 282 | Chemie (CLA) | |||
| 15 | AC, CI, FG, WL, WN... (A, H, G, Y, Z...) | PHYLLOQUINONE | non-polymer | 450.7 | 6 | Chemie (PQN) | |||
| 16 | BC, EJ, EO, FJ, FO... (A, N, a, G, C...) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 9 | Chemie (SF4) | |||
| 17 | AE, AK, AM, AO, BE... (B, U, Y, Z, L...) | BETA-CAROTENE | non-polymer | 536.9 | 66 | Chemie (BCR) | |||
| 18 | EM, FM, HC, HE, IC... (Y, A, B, H, G...) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 9 | Chemie (LHG) | |||
| 19 | DO, GE, JI (Z, B, H) | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 3 | Chemie (LMG) | |||
| 20 | TJ, UO, XI (U, h, L) | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 21 | BP, CP, DP, EP, FP... (A, B, C, D, E...) | water | water | 18.0 | 71 | Chemie (HOH) |
Sequence modifications
L, U, h: 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 | 775188.9 | |
| Non-Polymers* | Number of molecules | 381 |
| Total formula weight | 304935.4 | |
| All* | Total formula weight | 1080124.3 |
