Research workbench
Human cholecystokinin 1 receptor (CCK1R) gs complex
Analyse Human cholecystokinin 1 receptor (CCK1R) gs complex in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 7MBX
- Type
- protein
- Length
- 1,065 residues
- Chains
- 6
- Method
- electron microscopy
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Guanine nucleotide-binding protein G(S) subunit alpha isoforms short; Guanine…
- UniProt
- P63092, P54311, P59768, P06307, P32238
- Ligands
- Y01, NH2
- Pockets
- 12 · best druggability 0.82
Structure
electron microscopy · 6 distinct chains · 40% helix, 26% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Guanine nucleotide-binding protein G(S) subunit alpha isoforms short | protein | 240 | 48% helix, 18% strand | P63092 |
| B | Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 | protein | 339 | 9% helix, 47% strand | P54311 |
| G | Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 | protein | 58 | 59% helix, 0% strand | P59768 |
| N | NANOBODY35 | protein | 128 | 7% helix, 45% strand | — |
| P | Cholecystokinin-8 | protein | 8 | 0% helix, 0% strand | P06307 |
| R | Cholecystokinin receptor type a | protein | 292 | 81% helix, 5% strand | P32238 |
Ligands and binding sites
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
12 pockets found on a 1 Å grid, 8 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 670 | 0.82 | 0.86 | 56 | empty |
| 2 | 987 | 0.78 | 0.80 | 81 | empty |
| 3 | 881 | 0.77 | 0.80 | 66 | empty |
| 4 | 116 | 0.71 | 0.92 | 22 | empty |
| 5 | 340 | 0.69 | 0.82 | 50 | empty |
Interfaces
7 interfaces between chains.
- B–G · 2242 Ų buried · 21 hydrogen bonds · protein-protein
- A–B · 1465 Ų buried · 25 hydrogen bonds · protein-protein
- A–R · 1381 Ų buried · 13 hydrogen bonds · protein-protein
- P–R · 961 Ų buried · 13 hydrogen bonds · protein-protein
- A–N · 944 Ų buried · 17 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 3 disulfide, 1 modified (disulfide, sulfation).
Compared structures
- 7MBX · Human Cholecystokinin 1 receptor (CCK1R) Gs complex · the same entry in another collection · chain R against R, TM-score 1.00
- P54311 · AlphaFold monomer V2.0 prediction for guanine nucleotide-binding protein G(I)/G(S)/G(T)… · a predicted model of the same protein · chain B against A, TM-score 1.00
- P59768 · AlphaFold monomer V2.0 prediction for guanine nucleotide-binding protein G(I)/G(S)/G(O)… · a predicted model of the same protein · chain G against A, TM-score 0.95
- P32238 · AlphaFold monomer V2.0 prediction for cholecystokinin receptor type a (P32238) · a predicted model of the same protein · chain R against A, TM-score 0.94
- P06307 · AlphaFold monomer V2.0 prediction for cholecystokinin (P06307) · a predicted model of the same protein · chain P against A, TM-score 0.36
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 P63092
- Every structure of UniProt P54311
- Every structure of UniProt P59768
- Every structure of UniProt P06307
- Every structure of UniProt P32238
- Elsewhere: RCSB PDB 7MBX · PDBe 7MBX · UniProt P63092 · UniProt P54311 · UniProt P59768 · UniProt P06307 · UniProt P32238
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