7E4Z
Crystal structure of tubulin in complex with Maytansinol
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 | 440 | 48966.3 | 2 | UniProt (P81947) Pfam (PF00091) Pfam (PF03953) | Bos taurus (Bovine) | Alpha-tubulin ubiquitous,Tubulin K-alpha-1,Tubulin alpha-ubiquitous chain |
| 2 | B, D (B, D) | Tubulin beta-2B chain | polymer | 431 | 48391.4 | 2 | UniProt (Q6B856) Pfam (PF00091) Pfam (PF03953) | Bos taurus (Bovine) | |
| 3 | E (E) | Stathmin-4 | polymer | 138 | 16282.5 | 1 | UniProt (P63043) Pfam (PF00836) | Rattus norvegicus (Rat) | Stathmin-like protein B3,RB3 |
| 4 | F (F) | Tubulin tyrosine ligase | polymer | 384 | 44378.5 | 1 | UniProt (E1BQ43) | Gallus gallus (Chicken) | |
| 5 | G, R, V (A, C, D) | GUANOSINE-5'-TRIPHOSPHATE | non-polymer | 523.2 | 3 | Chemie (GTP) | |||
| 6 | H, M, Q, S, U (A, B, C, D) | MAGNESIUM ION | non-polymer | 24.3 | 5 | Chemie (MG) | |||
| 7 | I, N, T, X (A, B, C, E) | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
| 8 | J (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 9 | K, O, P (A, B) | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID | non-polymer | 195.2 | 3 | Chemie (MES) | |||
| 10 | L (B) | GUANOSINE-5'-DIPHOSPHATE | non-polymer | 443.2 | 1 | Chemie (GDP) | |||
| 11 | W (D) | (1R,2S,3S,5S,6S,16E,18E,20R,21S)-11-chloro-6,21-dihydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-4,24-dioxa-9,22-diazatetracyclo[19.3.1.1~10,14~.0~3,5~]hexacosa-10(26),11,13,16,18-pentaene-8,23-dione | non-polymer | 565.1 | 1 | Chemie (BKL) | |||
| 12 | Y (F) | PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER | non-polymer | 505.2 | 1 | Chemie (ACP) | |||
| 13 | AA, BA, CA, DA, EA... (B, C, D, E, F...) | water | water | 18.0 | 374 | Chemie (HOH) |
Sequence modifications
F: 1 - 378 (UniProt: E1BQ43)
| 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 | 255376.5 | |
| Non-Polymers* | Number of molecules | 19 |
| Total formula weight | 3986.0 | |
| All* | Total formula weight | 259362.5 |
