3JAW
Atomic model of a microtubule seam based on a cryo-EM reconstruction of the EB3-bound microtubule (merged dataset containing tubulin bound to GTPgammaS, GMPCPP, and GDP)
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 (Q2XVP4) Pfam (PF00091) Pfam (PF03953) | Sus scrofa (pig) | Alpha-tubulin ubiquitous, Tubulin K-alpha-1, Tubulin alpha-ubiquitous chain |
| 2 | B, D (B, D) | Tubulin beta chain | polymer | 445 | 49907.8 | 2 | UniProt (P02554) Pfam (PF00091) Pfam (PF03953) | Sus scrofa (pig) | Beta-tubulin |
| 3 | E, H (A, C) | GUANOSINE-5'-TRIPHOSPHATE | non-polymer | 523.2 | 2 | Chemie (GTP) | |||
| 4 | F, I (A, C) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 5 | G, J (B, D) | 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE | non-polymer | 539.2 | 2 | Chemie (GSP) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 200224.4 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 2173.5 | |
| All* | Total formula weight | 202397.9 |
