3ECK
Structure of E323L Homoprotocatechuate 2,3-dioxygenase from Brevibacterium fuscum in complex with putative O-O bond cleavage intermediate formed via in crystallo reaction with 4-sulfonyl catechol at low oxygen concentrations
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (A, B, C, D) | PROTEIN (Homoprotocatechuate 2,3-dioxygenase) | polymer | 365 | 41739.4 | 4 | UniProt (Q45135) Pfam (PF00903) | Brevibacterium fuscum | |
| 2 | E, H, L, Q (A, B, C, D) | FE (II) ION | non-polymer | 55.8 | 4 | Chemie (FE2) | |||
| 3 | F, J, M, R (A, B, C, D) | CHLORIDE ION | non-polymer | 35.5 | 4 | Chemie (CL) | |||
| 4 | G, K, O, P, T... (A, B, C, D) | GLYCEROL | non-polymer | 92.1 | 6 | Chemie (GOL) | |||
| 5 | I (B) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 6 | N, S (C, D) | 3,3-dihydroxy-4-oxocyclohexa-1,5-diene-1-sulfonic acid | non-polymer | 206.2 | 2 | Chemie (XXG) | |||
| 7 | V, W, X, Y (A, B, C, D) | water | water | 18.0 | 1393 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 365 (UniProt: Q45135)
| PDB | External Database | Details |
|---|---|---|
| Leu 323 | Glu 323 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 166957.5 | |
| Non-Polymers* | Number of molecules | 17 |
| Total formula weight | 1370.2 | |
| All* | Total formula weight | 168327.6 |
