MolNFT v1 · #99390 · protein
Crystal structure of small molecule acrylamide 11 covalently bound to K-RAS G12C
4M21 · K-RAS GTPase: “Crystal structure of small molecule acrylamide 11 covalently bound to K-RAS G12C”. X-ray diffraction, 2 ligands (GDP, 21Y), 3 pockets (best druggability 0.69). MolNFT v1 #99390 on GenesisL1: 3D structure, binding…
- PDB
- 4M21
- Type
- protein
- Length
- 461 residues
- Chains
- 3
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- K-RAS GTPase
- UniProt
- P01116
- Ligands
- GDP, 21Y
- Pockets
- 3 · best druggability 0.69
Structure
x-ray diffraction · 3 distinct chains · 40% helix, 25% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | K-RAS GTPase | protein | 159 | 39% helix, 26% strand | P01116 |
| B | K-RAS GTPase | protein | 156 | 40% helix, 24% strand | P01116 |
| C | K-RAS GTPase | protein | 146 | 40% helix, 24% strand | P01116 |
Ligands and binding sites
- GDP · Guanosine-5'-diphosphate · ligand · 3 copies · chains A, B, C
- 21Y · 1-(4-{[(4,5-dichloro-2-methoxyphenyl)amino]acetyl}piperazin-1-yl)propan-1-one · ligand · chains B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
3 pockets found on a 1 Å grid, 3 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 736 | 0.69 | 0.77 | 61 | empty |
| 2 | 351 | 0.60 | 0.77 | 37 | empty |
| 3 | 167 | 0.53 | 0.79 | 25 | 21Y |
Interfaces
2 interfaces between chains.
- A–B · 339 Ų buried · 1 hydrogen bond · protein-protein
- B–C · 195 Ų buried · 1 hydrogen bond · protein-protein
Modifications
Observed in the structure: 1 covalent (covalent ligand).
Compared structures
- 4M21 · Crystal Structure of small molecule acrylamide 11 covalently bound to K-Ras G12C · the same entry in another collection · chain A against A, TM-score 1.00
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt P01116
- Elsewhere: RCSB PDB 4M21 · PDBe 4M21 · UniProt P01116
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