7FIX
Cryo-EM structure of cyanobacterial photosystem I in the presence of ferredoxin and cytochrome c6
This is a non-PDB format compatible entry.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, AA, N (A1, A2, A3) | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 755 | 83267.8 | 3 | UniProt (P0A405) Pfam (PF00223) | Thermosynechococcus vestitus BP-1 | PsaA |
| 2 | B, BA, O (B1, B2, B3) | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 741 | 83123.6 | 3 | UniProt (P0A407) Pfam (PF00223) | Thermosynechococcus vestitus BP-1 | PsaB |
| 3 | C, CA, P (C1, C2, C3) | Photosystem I iron-sulfur center | polymer | 81 | 8809.2 | 3 | UniProt (P0A415) Pfam (PF12838) | Thermosynechococcus vestitus BP-1 | 9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC |
| 4 | D, DA, Q (D1, D2, D3) | Photosystem I reaction center subunit II | polymer | 139 | 15389.5 | 3 | UniProt (P0A420) Pfam (PF02531) | Thermosynechococcus vestitus BP-1 | Photosystem I 16 kDa polypeptide,PSI-D |
| 5 | E, EA, R (E1, E2, E3) | Photosystem I reaction center subunit IV | polymer | 76 | 8399.5 | 3 | UniProt (P0A423) Pfam (PF02427) | Thermosynechococcus vestitus BP-1 | Photosystem I 8.1 kDa protein,p30 protein |
| 6 | F, FA, S (F1, F2, F3) | Photosystem I reaction center subunit III | polymer | 174 | 19098.1 | 3 | UniProt (P0A401) Pfam (PF02507) | Thermosynechococcus vestitus BP-1 | PSI-F |
| 7 | G, GA, T (I1, I2, I3) | Photosystem I reaction center subunit VIII | polymer | 38 | 4297.2 | 3 | UniProt (P0A427) Pfam (PF00796) | Thermosynechococcus vestitus BP-1 | |
| 8 | H, HA, U (J1, J2, J3) | Photosystem I reaction center subunit IX | polymer | 41 | 4770.7 | 3 | UniProt (P0A429) Pfam (PF01701) | Thermosynechococcus vestitus BP-1 | |
| 9 | I, IA, V (K1, K2, K3) | Photosystem I reaction center subunit PsaK | polymer | 83 | 8484.0 | 3 | UniProt (P0A425) Pfam (PF01241) | Thermosynechococcus vestitus BP-1 | Light-harvesting 8.0 kDa polypeptide,Photosystem I subunit X |
| 10 | J, JA, W (L1, L2, L3) | Photosystem I reaction center subunit XI | polymer | 155 | 16261.7 | 3 | UniProt (Q8DGB4) Pfam (PF02605) | Thermosynechococcus vestitus BP-1 | PSI subunit V,PSI-L |
| 11 | K, KA, X (M1, M2, M3) | Photosystem I reaction center subunit XII | polymer | 31 | 3426.1 | 3 | UniProt (P0A403) Pfam (PF07465) | Thermosynechococcus vestitus BP-1 | PSI-M |
| 12 | L, LA, Y (R1, R2, R3) | Ferredoxin-1 | polymer | 98 | 10854.0 | 3 | UniProt (P0A3C9) Pfam (PF00111) | Thermosynechococcus vestitus BP-1 | Ferredoxin I |
| 13 | M, MA, Z (X1, X2, X3) | Photosystem I 4.8K protein | polymer | 39 | 4424.3 | 3 | UniProt (Q8DKP6) Pfam (PF08078) | Thermosynechococcus vestitus BP-1 | |
| 14 | GG, NA, YL (A2, A1, A3) | CHLOROPHYLL A ISOMER | non-polymer | 893.5 | 3 | Chemie (CL0) | |||
| 15 | AB, AC, AD, AE, AH... (A1, B1, A2, B2, J2...) | CHLOROPHYLL A | non-polymer | 893.5 | 285 | Chemie (CLA) | |||
| 16 | EK, FC, LE, QN, WP... (B2, A1, B1, A3, B3...) | PHYLLOQUINONE | non-polymer | 450.7 | 6 | Chemie (PQN) | |||
| 17 | GC, GQ, HQ, OK, PK... (A1, C3, C2, A3, C1...) | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 9 | Chemie (SF4) | |||
| 18 | AF, AG, AI, AO, AQ... (I1, M1, A2, A3, B3...) | BETA-CAROTENE | non-polymer | 536.9 | 72 | Chemie (BCR) | |||
| 19 | EG, GI, HI, NC, NR... (X1, A2, A1, X3, X2...) | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 9 | Chemie (LHG) | |||
| 20 | BF, BG, CF, CG, CO... (I1, M1, A3, L3, A2...) | UNKNOWN LIGAND | non-polymer | 40.1 | 51 | Chemie (UNL) | |||
| 21 | EQ, MK, TE (B3, B2, B1) | DIGALACTOSYL DIACYL GLYCEROL (DGDG) | non-polymer | 949.3 | 3 | Chemie (DGD) | |||
| 22 | AR, IL, PF (L3, L2, L1) | CALCIUM ION | non-polymer | 40.1 | 3 | Chemie (CA) | |||
| 23 | DG, MR, VL (R1, R3, R2) | [2Ga-2S] cluster | non-polymer | 203.6 | 3 | Chemie (GAK) | |||
| 24 | AS, BS, CS, DS, ES... (D2, E2, I2, L2, R2...) | water | water | 18.0 | 348 | Chemie (HOH) |
Sequence modifications
F1, F2, F3: 1 - 164 (UniProt: P0A401)
| PDB | External Database | Details |
|---|---|---|
| His -9 | - | expression tag |
| His -8 | - | expression tag |
| His -7 | - | expression tag |
| His -6 | - | expression tag |
| His -5 | - | expression tag |
| His -4 | - | expression tag |
| His -3 | - | expression tag |
| His -2 | - | expression tag |
| His -1 | - | expression tag |
| His 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 39 |
| Total formula weight | 811817.0 | |
| Non-Polymers* | Number of molecules | 444 |
| Total formula weight | 313978.2 | |
| All* | Total formula weight | 1125795.2 |
