Research workbench
Rigor-like structures of muscle myosins reveal key mechanical elements in the transduction pathways of this allosteric motor
Analyse Rigor-like structures of muscle myosins reveal key mechanical elements in the… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 2OTG
- Type
- protein
- Length
- 1,096 residues
- Chains
- 3
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Myosin heavy chain; Myosin regulatory light chain; Myosin essential light chain
- UniProt
- Q26080, Q26068, Q26066
- Ligands
- ADP, MG, CA
- Pockets
- 12 · best druggability 0.79
Structure
x-ray diffraction · 3 distinct chains · 49% helix, 11% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Myosin heavy chain | protein | 800 | 47% helix, 13% strand | Q26080 |
| B | Myosin regulatory light chain | protein | 141 | 56% helix, 4% strand | Q26068 |
| C | Myosin essential light chain | protein | 155 | 54% helix, 6% strand | Q26066 |
Ligands and binding sites
- ADP · Adenosine-5'-diphosphate · ligand · chains A
- MG · Magnesium ion · metal · 2 copies · chains B, A
- CA · Calcium ion · metal · chains C
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 | 963 | 0.79 | 0.81 | 99 | MG, ADP |
| 2 | 61 | 0.69 | 0.96 | 23 | empty |
| 3 | 679 | 0.69 | 0.77 | 70 | empty |
| 4 | 122 | 0.65 | 0.88 | 24 | empty |
| 5 | 50 | 0.60 | 0.92 | 18 | empty |
Interfaces
3 interfaces between chains.
- A–C · 2143 Ų buried · 17 hydrogen bonds · protein-protein
- A–B · 1683 Ų buried · 14 hydrogen bonds · protein-protein
- B–C · 228 Ų buried · 3 hydrogen bonds · protein-protein
Compared structures
- 2OTG · Rigor-like structures of muscle myosins reveal key mechanical elements in the… · 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 Q26080
- Every structure of UniProt Q26068
- Every structure of UniProt Q26066
- Elsewhere: RCSB PDB 2OTG · PDBe 2OTG · UniProt Q26080 · UniProt Q26068 · UniProt Q26066
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