4TQA
Crystal Structure of a GDP-bound G13D Oncogenic Mutant of Human GTPase KRas
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | GTPase KRas | polymer | 169 | 19257.7 | 2 | UniProt (P01116) Pfam (PF00071) | Homo sapiens (Human) | K-Ras 2,Ki-Ras,c-K-ras,c-Ki-ras |
| 2 | C, E (A, B) | GUANOSINE-5'-DIPHOSPHATE | non-polymer | 443.2 | 2 | Chemie (GDP) PubChem (136073927) PubChem (135398619) PubChem (135402030) PubChem (135431654) PubChem (135566337) PubChem (135760556) PubChem (136026707) PubChem (136053418) PubChem (136663964) PubChem (136664748) PubChem (136759848) PubChem (136759849) PubChem (136759850) PubChem (136836636) PubChem (136847074) PubChem (172898537) | |||
| 3 | D, F (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) PubChem (888) | |||
| 4 | G, H (A, B) | water | water | 18.0 | 424 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 168 (UniProt: P01116)
| PDB | External Database | Details |
|---|---|---|
| Gly 0 | - | expression tag |
| Asp 13 | Gly 13 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 38515.3 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 935.0 | |
| All* | Total formula weight | 39450.3 |






