7F4V
Cryo-EM structure of a primordial cyanobacterial photosystem I
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 | aA, bA, cA | Photosystem I P700 chlorophyll a apoprotein A1 | polymer | 783 | 86505.2 | 3 | UniProt (Q7NFT6) Pfam (PF00223) In PDB | Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) | PsaA |
| 2 | aB, bB, cB | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 872 | 96166.8 | 3 | UniProt (Q7NFT5) Pfam (PF00223) Pfam (PF00691) In PDB | Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) | PsaB |
| 3 | aC, bC, cC | Photosystem I iron-sulfur center | polymer | 81 | 8807.2 | 3 | UniProt (Q7NG86) Pfam (PF12838) In PDB | Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) | 9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC |
| 4 | aD, bD, cD | Photosystem I reaction center subunit II | polymer | 144 | 15952.2 | 3 | UniProt (Q7NF26) Pfam (PF02531) In PDB | Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) | |
| 5 | aE, bE, cE | Photosystem I reaction center subunit IV | polymer | 65 | 7468.4 | 3 | UniProt (Q7NFW6) Pfam (PF02427) In PDB | Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) | |
| 6 | aF, bF, cF | Photosystem I reaction center subunit III | polymer | 181 | 19931.1 | 3 | UniProt (Q7NH05) Pfam (PF02507) In PDB | Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) | PSI-F |
| 7 | aI, bI, cI | Photosystem I reaction center subunit Z | polymer | 35 | 3853.6 | 3 | UniProt (P0C029) In PDB | Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) | PSI-Z |
| 8 | aJ, bJ, cJ | Unknown protein | polymer | 33 | 2826.5 | 3 | Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) | ||
| 9 | aL, bL, cL | Photosystem I reaction center subunit XI | polymer | 147 | 15806.3 | 3 | UniProt (Q7NIE7) Pfam (PF02605) In PDB | Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) | PSI subunit V,PSI-L |
| 10 | aM, bM, cM | Photosystem I reaction center subunit XII | polymer | 34 | 3212.9 | 3 | UniProt (Q7NHY3) Pfam (PF07465) In PDB | Gloeobacter violaceus (strain ATCC 29082 / PCC 7421) | PSI-M |
| 11 | aA, cA, bA | CHLOROPHYLL A ISOMER | non-polymer | 893.5 | 3 | Chemie (CL0) | |||
| 12 | aA, aB, bA, bB, cA... | CHLOROPHYLL A | non-polymer | 893.5 | 264 | Chemie (CLA) | |||
| 13 | bB, bA, aB, cB, aA... | Menaquinone-4 | non-polymer | 444.6 | 6 | Chemie (1L3) | |||
| 14 | aC, cC, bA, bC, aA... | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 9 | Chemie (SF4) | |||
| 15 | aA, bL, cA, cB, aF... | BETA-CAROTENE | non-polymer | 536.9 | 60 | Chemie (BCR) | |||
| 16 | aB, aA, cB, cA, bB... | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 9 | Chemie (LHG) | |||
| 17 | aB, cB, bB | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 3 | Chemie (LMG) | |||
| 18 | water | water | 18.0 | 402 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 30 |
| Total formula weight | 781590.7 | |
| Non-Polymers* | Number of molecules | 354 |
| Total formula weight | 285474.8 | |
| All* | Total formula weight | 1067065.5 |
