MolNFT v1 · #190385 · protein
Crystal structures of NA+,K+-ATPase in complex with ouabain
7WYT · SODIUM/POTASSIUM-transporting ATPase subunit alpha-1: “Crystal structures of NA+,K+-ATPase in complex with ouabain”. X-ray diffraction, 6 ligands (PCW, CLR, OBN), 20 pockets (best druggability 0.78). MolNFT v1 #190385 on GenesisL1…
- PDB
- 7WYT
- Type
- protein
- Length
- 2,632 residues
- Chains
- 6
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- SODIUM/POTASSIUM-transporting ATPase subunit alpha-1; SODIUM/POTASSIUM-transporting…
- EC
- 7.2.2.13
- UniProt
- P05024, P05027, Q58K79
- Ligands
- PCW, CLR, OBN, NAG, MG, NA
- Pockets
- 20 · best druggability 0.78
Structure
x-ray diffraction · 4 distinct chains · 40% helix, 16% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, C | SODIUM/POTASSIUM-transporting ATPase subunit alpha-1 (EC 7.2.2.13) | protein | 996 | 49% helix, 15% strand | P05024 |
| B | SODIUM/POTASSIUM-transporting ATPase subunit beta-1 | protein | 291 | 22% helix, 19% strand | P05027 |
| G, E | Fxyd domain-containing ion transport regulator | protein | 32 | 69% helix, 0% strand | Q58K79 |
| D | SODIUM/POTASSIUM-transporting ATPase subunit beta-1 | protein | 285 | 22% helix, 20% strand | P05027 |
Ligands and binding sites
- PCW · 1,2-dioleoyl-sn-glycero-3-phosphocholine · ligand · 13 copies · chains A, B, G, D, C, E
- CLR · Cholesterol · ligand · 5 copies · chains A, B, C, G, E, D
- OBN · Ouabain · ligand · 2 copies · chains A, C
- NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 10 copies · chains B, D
- MG · Magnesium ion · metal · 4 copies · chains A, C
- NA · Sodium ion · metal · 2 copies · chains A, C
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
20 pockets found on a 1 Å grid, 17 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 875 | 0.78 | 0.81 | 59 | OBN |
| 2 | 755 | 0.78 | 0.82 | 60 | OBN |
| 3 | 1147 | 0.77 | 0.79 | 119 | NA |
| 4 | 755 | 0.76 | 0.80 | 66 | PCW, CLR |
| 5 | 1132 | 0.74 | 0.77 | 100 | NA |
Interfaces
10 interfaces between chains.
- A–B · 2199 Ų buried · 23 hydrogen bonds · protein-protein
- C–D · 2193 Ų buried · 27 hydrogen bonds · protein-protein
- C–E · 792 Ų buried · 3 hydrogen bonds · protein-protein
- A–G · 791 Ų buried · 4 hydrogen bonds · protein-protein
- B–G · 299 Ų buried · 3 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 6 disulfide, 6 glycan, 2 modified (disulfide, N-glycosylation, phosphorylation).
Compared structures
- 7WYT · Crystal structures of Na+,K+-ATPase in complex with ouabain · the same entry in another collection · chain E against E, TM-score 1.00
- P05027 · AlphaFold monomer V2.0 prediction for SODIUM/POTASSIUM-transporting ATPase subunit beta-1… · a predicted model of the same protein · chain D against A, TM-score 0.98
- P05024 · AlphaFold monomer V2.0 prediction for SODIUM/POTASSIUM-transporting ATPase subunit… · a predicted model of the same protein · chain A against A, TM-score 0.98
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 P05024
- Every structure of UniProt P05027
- Every structure of UniProt Q58K79
- Elsewhere: RCSB PDB 7WYT · PDBe 7WYT · UniProt P05024 · UniProt P05027 · UniProt Q58K79
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