4PZY
Second-site screening of K-Ras in the presence of covalently attached first-site ligands
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | K-Ras | polymer | 170 | 19329.8 | 2 | UniProt (P01116) Pfam (PF00071) In PDB | Homo sapiens | |
2 | A, B | GUANOSINE-5'-DIPHOSPHATE | non-polymer | 443.2 | 2 | Chemie (GDP) | |||
3 | A, B | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
4 | B | 2-chloro-1-(1H-indol-3-yl)ethanone | non-polymer | 193.6 | 2 | Chemie (2XR) | |||
5 | water | water | 18.0 | 352 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 169 (UniProt: P01116)
PDB | External Database | Details |
---|---|---|
Gly 0 | - | EXPRESSION TAG |
Val 12 | Gly 12 | ENGINEERED MUTATION |
Cys 70 | Gln 70 | ENGINEERED MUTATION |
Ser 118 | Cys 118 | ENGINEERED MUTATION |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 38659.7 | |
Non-Polymers* | Number of molecules | 6 |
Total formula weight | 1322.3 | |
All* | Total formula weight | 39982.0 |