Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, I | Tubulin alpha-1B chain | polymer | 451 | 50204.4 | 2 | UniProt (P68363) Pfam (PF00091) Pfam (PF03953) In PDB | Homo sapiens (human) | Alpha-tubulin ubiquitous,Tubulin K-alpha-1,Tubulin alpha-ubiquitous chain |
| 2 | B, Q | Tubulin beta chain | polymer | 444 | 49717.6 | 2 | UniProt (P07437) Pfam (PF00091) Pfam (PF03953) In PDB | Homo sapiens (human) | Tubulin beta-5 chain |
| 3 | A, I | GUANOSINE-5'-TRIPHOSPHATE | non-polymer | 523.2 | 2 | Chemie (GTP) | |||
| 4 | A, B, I, Q | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 5 | B, Q | PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER | non-polymer | 521.2 | 2 | Chemie (G2P) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 199844.1 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 2186.0 | |
| All* | Total formula weight | 202030.1 |
