4OBE
Crystal Structure of GDP-bound Human 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 | 170 | 19328.8 | 2 | UniProt (P01116) Pfam (PF00071) | Homo sapiens (human) | 'K-Ras 2, Ki-Ras, c-K-ras, c-Ki-ras, GTPase KRas, N-terminally processed, KRAS, v-Ki-ras2 Kirsten rat sarcoma viral oncogene homolog |
| 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 | 355 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 169 (UniProt: P01116)
| PDB | External Database | Details |
|---|---|---|
| Gly 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 38657.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 935.0 | |
| All* | Total formula weight | 39592.6 |






