1KBY
Structure of Photosynthetic Reaction Center with bacteriochlorophyll-bacteriopheophytin heterodimer
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (L) | PHOTOSYNTHETIC REACTION CENTER PROTEIN L CHAIN | polymer | 281 | 31346.4 | 1 | UniProt (P02954) Pfam (PF00124) UniProt (by SIFTS) (P0C0Y8) | Rhodobacter sphaeroides | REACTION CENTER PROTEIN L CHAIN |
| 2 | B (M) | PHOTOSYNTHETIC REACTION CENTER PROTEIN M CHAIN | polymer | 307 | 34373.6 | 1 | UniProt (P02953) Pfam (PF00124) UniProt (by SIFTS) (P0C0Y9) | Rhodobacter sphaeroides | REACTION CENTER PROTEIN M CHAIN |
| 3 | C (H) | PHOTOSYNTHETIC REACTION CENTER PROTEIN H CHAIN | polymer | 260 | 28066.3 | 1 | UniProt (P11846) Pfam (PF03967) Pfam (PF05239) UniProt (by SIFTS) (P0C0Y7) | Rhodobacter sphaeroides | REACTION CENTER PROTEIN H CHAIN |
| 4 | D, E, F (L) | BACTERIOCHLOROPHYLL A | non-polymer | 911.5 | 3 | Chemie (BCL) | |||
| 5 | G, H, K (L, M) | BACTERIOPHEOPHYTIN A | non-polymer | 889.2 | 3 | Chemie (BPH) | |||
| 6 | I (M) | FE (III) ION | non-polymer | 55.8 | 1 | Chemie (FE) | |||
| 7 | J (M) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 8 | L (M) | UBIQUINONE-10 | non-polymer | 863.3 | 1 | Chemie (U10) | |||
| 9 | M (M) | SPHEROIDENE | non-polymer | 568.9 | 1 | Chemie (SPO) | |||
| 10 | N (M) | CARDIOLIPIN | non-polymer | 1464.0 | 1 | Chemie (CDL) | |||
| 11 | O, P, Q (L, M, H) | water | water | 18.0 | 222 | Chemie (HOH) |
Sequence modifications
M: 1 - 307 (UniProt: P02953)
| PDB | External Database | Details |
|---|---|---|
| Leu 202 | His 202 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 93786.3 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 8389.8 | |
| All* | Total formula weight | 102176.0 |
