1IR1
Crystal Structure of Spinach Ribulose-1,5-Bisphosphate Carboxylase/Oxygenase (Rubisco) Complexed with CO2, Mg2+ and 2-Carboxyarabinitol-1,5-Bisphosphate
Replaces: 1BUREntity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C, E, G (A, B, C, D) | Large subunit of Rubisco | polymer | 475 | 52849.7 | 4 | UniProt (P00875) Pfam (PF02788) Pfam (PF00016) | Spinacia oleracea (spinach) | RIBULOSE BISPHOSPHATE CARBOXYLASE LARGE CHAIN |
| 2 | B, D, F, H (S, T, U, V) | Small subunit of Rubisco | polymer | 123 | 14687.7 | 4 | UniProt (Q43832) Pfam (PF00101) | Spinacia oleracea (spinach) | RIBULOSE BISPHOSPHATE CARBOXYLASE SMALL CHAIN 2 |
| 3 | I, K, M, O (A, B, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 4 | J, L, N, P (A, B, C, D) | 2-CARBOXYARABINITOL-1,5-DIPHOSPHATE | non-polymer | 356.1 | 4 | Chemie (CAP) | |||
| 5 | Q, R, S, T, U... (A, S, B, T, C...) | water | water | 18.0 | 2272 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 475 (UniProt: P00875)
S, T, U, V: 1 - 123 (UniProt: Q43832)
| PDB | External Database | Details |
|---|---|---|
| Kcx 201 | Lys 201 | modified residue |
| PDB | External Database | Details |
|---|---|---|
| Mme 1 | Met 58 | modified residue |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 270149.8 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 1521.7 | |
| All* | Total formula weight | 271671.5 |
