Research workbench
Vascular katp channel: KIR6.1 SUR2B propeller-like conformation 2
Analyse Vascular katp channel: KIR6.1 SUR2B propeller-like conformation 2 in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 7MJP
- Type
- protein
- Length
- 2,818 residues
- Chains
- 5
- Method
- electron microscopy
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- ATP-sensitive inward rectifier potassium channel 8; Isoform SUR2B of ATP-binding cassette…
- UniProt
- Q63664, Q63563
- Ligands
- ATP, GBM, NAG
- Pockets
- 20 · best druggability 0.83
Structure
electron microscopy · 4 distinct chains · 47% helix, 9% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | ATP-sensitive inward rectifier potassium channel 8 | protein | 366 | 28% helix, 20% strand | Q63664 |
| B | ATP-sensitive inward rectifier potassium channel 8 | protein | 338 | 32% helix, 24% strand | Q63664 |
| C, D | ATP-sensitive inward rectifier potassium channel 8 | protein | 339 | 29% helix, 20% strand | Q63664 |
| E | Isoform SUR2B of ATP-binding cassette sub-family C member 9 | protein | 1436 | 59% helix, 1% strand | Q63563 |
Ligands and binding sites
- ATP · Adenosine-5'-triphosphate · ligand · 5 copies · chains A, D, B, C, E
- GBM · 5-chloro-N-(2-{4-[(cyclohexylcarbamoyl) sulfamoyl]phenyl}ethyl)-2-methoxybenzamide · ligand · chains A, E
- NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 2 copies · chains E
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
20 pockets found on a 1 Å grid, 20 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1044 | 0.83 | 0.84 | 130 | empty |
| 2 | 977 | 0.82 | 0.84 | 114 | empty |
| 3 | 908 | 0.82 | 0.84 | 104 | empty |
| 4 | 1059 | 0.81 | 0.82 | 106 | empty |
| 5 | 677 | 0.80 | 0.85 | 86 | empty |
Interfaces
8 interfaces between chains.
- B–C · 913 Ų buried · 4 hydrogen bonds · protein-protein
- A–B · 886 Ų buried · 2 hydrogen bonds · protein-protein
- C–D · 872 Ų buried · 4 hydrogen bonds · protein-protein
- A–D · 824 Ų buried · 0 hydrogen bonds · protein-protein
- A–E · 794 Ų buried · 0 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 1 covalent, 1 glycan (covalent ligand, N-glycosylation).
Compared structures
- 7MJP · Vascular KATP channel: Kir6.1 SUR2B propeller-like conformation 2 · the same entry in another collection · chain E against E, TM-score 1.00
- Q63563 · AlphaFold monomer V2.0 prediction for ATP-binding cassette sub-family C member 9 (Q63563) · a predicted model of the same protein · chain E against A, TM-score 0.96
- Q63664 · AlphaFold monomer V2.0 prediction for ATP-sensitive inward rectifier potassium channel 8… · a predicted model of the same protein · chain C against A, TM-score 0.83
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 Q63664
- Every structure of UniProt Q63563
- Elsewhere: RCSB PDB 7MJP · PDBe 7MJP · UniProt Q63664 · UniProt Q63563
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