4L6V
Crystal structure of a virus like photosystem I from the cyanobacterium Synechocystis PCC 6803
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 | 751 | 83036.4 | 3 | UniProt (L8AHT3) Pfam (PF00223) UniProt (by SIFTS) (P29254) In PDB | Synechocystis sp. PCC 6803 | PsaA |
| 2 | B, b, 2 | Photosystem I P700 chlorophyll a apoprotein A2 | polymer | 731 | 81369.5 | 3 | UniProt (L8AIC0) Pfam (PF00223) UniProt (by SIFTS) (P29255) In PDB | Synechocystis sp. PCC 6803 | PsaB |
| 3 | C, c, 3 | Photosystem I iron-sulfur center | polymer | 81 | 8837.3 | 3 | UniProt (L8AST2) Pfam (PF12838) UniProt (by SIFTS) (P32422) In PDB | Synechocystis sp. PCC 6803 | 9 kDa polypeptide, PSI-C, Photosystem I subunit VII, PsaC |
| 4 | D, d, 4 | Photosystem I subunit II | polymer | 141 | 15663.7 | 3 | UniProt (L8AFM8) Pfam (PF02531) UniProt (by SIFTS) (P19569) In PDB | Synechocystis sp. PCC 6803 | |
| 5 | E, e, 5 | Photosystem I reaction center subunit IV | polymer | 74 | 8154.1 | 3 | UniProt (L8ASH8) Pfam (PF02427) UniProt (by SIFTS) (P12975) In PDB | Synechocystis sp. PCC 6803 | |
| 6 | F, f, 6 | Fusion protein of Photosystem I subunit III and subunit IX | polymer | 125 | 13855.4 | 3 | UniProt (Q55329) UniProt (L8AII8) Pfam (PF01701) Pfam (PF02507) UniProt (by SIFTS) (P29256) In PDB | Synechocystis sp. PCC 6803 | PSI subunit V, PSI-L |
| 7 | L, l, 8 | Photosystem I reaction center subunit XI | polymer | 157 | 16631.8 | 3 | UniProt (L8APN7) Pfam (PF02605) UniProt (by SIFTS) (P37277) In PDB | Synechocystis sp. PCC 6803 | PSI-M |
| 8 | M, m, 7 | Photosystem I reaction center subunit XII | polymer | 31 | 3382.1 | 3 | UniProt (L8ADF9) Pfam (PF07465) UniProt (by SIFTS) (P72986) In PDB | Synechocystis sp. PCC 6803 | |
| 9 | i, 9, I | Photosystem I subunit III | polymer | 40 | 4414.1 | 3 | UniProt (L8AP84) Pfam (PF00796) UniProt (by SIFTS) (Q55330) In PDB | Synechocystis sp. PCC 6803 | |
| 10 | K, k, 0 | Photosystem I reaction center subunit VIII | polymer | 128 | 13732.3 | 3 | UniProt (L8APJ0) Pfam (PF01241) UniProt (by SIFTS) (P74564) In PDB | Synechocystis sp. PCC 6803 | |
| 11 | A, B, a, b, l... | CHLOROPHYLL A | non-polymer | 893.5 | 273 | Chemie (CLA) | Photosystem I subunit X | ||
| 12 | A, 1, B, 2, a... | PHYLLOQUINONE | non-polymer | 450.7 | 6 | Chemie (PQN) | |||
| 13 | A, C, 1, 3, a... | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 9 | Chemie (SF4) | |||
| 14 | b, l, m, A, B... | BETA-CAROTENE | non-polymer | 536.9 | 57 | Chemie (BCR) | |||
| 15 | a, b, A, 1, B... | 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE | non-polymer | 723.0 | 9 | Chemie (LHG) | |||
| 16 | b, B, 2 | 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE | non-polymer | 787.2 | 3 | Chemie (LMG) |
Sequence modifications
F, f, 6: 44 - 125 (UniProt: L8AII8)
F, f, 6: 1 - 40 (UniProt: Q55329)
| PDB | External Database | Details |
|---|---|---|
| Cys 41 | - | linker |
| Ser 42 | - | linker |
| Cys 43 | - | linker |
| Ile 53 | Leu 112 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 30 |
| Total formula weight | 747230.1 | |
| Non-Polymers* | Number of molecules | 357 |
| Total formula weight | 289261.4 | |
| All* | Total formula weight | 1036491.5 |
