4I50
Crystal structure of tubulin-stathmin-TTL-Epothilone A complex
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C (A, C) | Tubulin alpha-1B chain | polymer | 451 | 50204.4 | 2 | UniProt (P81947) Pfam (PF00091) Pfam (PF03953) | Bos taurus (bovine cow domestic cattle domestic cow) | Alpha-tubulin ubiquitous, Tubulin K-alpha-1, Tubulin alpha-ubiquitous chain |
| 2 | B, D (B, D) | Tubulin beta-2B chain | polymer | 445 | 49999.9 | 2 | UniProt (Q6B856) Pfam (PF00091) Pfam (PF03953) | Bos taurus (bovine cow domestic cattle domestic cow) | |
| 3 | E (E) | Stathmin-4 | polymer | 143 | 16844.2 | 1 | UniProt (P63043) Pfam (PF00836) | Rattus norvegicus (brown rat rat rats) | Stathmin-like protein B3, RB3 |
| 4 | F (F) | Tubulin Tyrosine Ligase, TTL | polymer | 384 | 44378.5 | 1 | UniProt (E1BQ43) | Gallus gallus (bantam chickens) | |
| 5 | G, R (A, C) | GUANOSINE-5'-TRIPHOSPHATE | non-polymer | 523.2 | 2 | Chemie (GTP) | |||
| 6 | CA, DA, H, O, S... (F, A, B, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 6 | Chemie (MG) | |||
| 7 | I, K, P, T, U... (A, B, C) | CALCIUM ION | non-polymer | 40.1 | 6 | Chemie (CA) | |||
| 8 | J (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 9 | AA, L, M (D, A) | GLYCEROL | non-polymer | 92.1 | 3 | Chemie (GOL) | |||
| 10 | N, W (B, D) | GUANOSINE-5'-DIPHOSPHATE | non-polymer | 443.2 | 2 | Chemie (GDP) | |||
| 11 | Q, Y (B, D) | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID | non-polymer | 195.2 | 2 | Chemie (MES) | |||
| 12 | Z (D) | EPOTHILONE A | non-polymer | 493.7 | 1 | Chemie (EP) | |||
| 13 | BA (F) | PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER | non-polymer | 505.2 | 1 | Chemie (ACP) | |||
| 14 | EA, FA, GA, HA, IA... (A, B, C, D, E...) | water | water | 18.0 | 306 | Chemie (HOH) |
Sequence modifications
E: 3 - 145 (UniProt: P63043)
F: 1 - 378 (UniProt: E1BQ43)
| PDB | External Database | Details |
|---|---|---|
| Met 3 | Ile 47 | cloning artifact |
| Ala 4 | Ser 48 | cloning artifact |
| PDB | External Database | Details |
|---|---|---|
| His 379 | - | expression tag |
| His 380 | - | expression tag |
| His 381 | - | expression tag |
| His 382 | - | expression tag |
| His 383 | - | expression tag |
| His 384 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 261631.3 | |
| Non-Polymers* | Number of molecules | 24 |
| Total formula weight | 4020.1 | |
| All* | Total formula weight | 265651.5 |
