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) PubChem (177679032) PubChem (135400627) PubChem (135487750) PubChem (136088935) PubChem (136803486) PubChem (135398633) PubChem (135544356) PubChem (135547949) PubChem (135600366) PubChem (135749822) PubChem (136005188) PubChem (136073923) PubChem (136240914) PubChem (136664747) PubChem (136772743) PubChem (136772744) PubChem (136803487) PubChem (137286749) PubChem (164715984) PubChem (171699466) | |||
| 4 | F, I (A, C) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) PubChem (888) | |||
| 5 | G, J (B, D) | 5'-GUANOSINE-DIPHOSPHATE-MONOTHIOPHOSPHATE | non-polymer | 539.2 | 2 | Chemie (GSP) PubChem (135398675) PubChem (135476260) PubChem (136073095) PubChem (136440011) PubChem (137176535) PubChem (169450542) |
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 |
