MolNFT v1 · #67344 · protein
Crystal structure of reduced C10S spx in complex with the alpha C- terminal domain of RNA polymeras
3IHQ · Regulatory protein spx: “Crystal structure of reduced C10S spx in complex with the alpha C- terminal domain of RNA polymeras”. X-ray diffraction. MolNFT v1 #67344 on GenesisL1: 3D structure, binding sites and pockets in GL1X.
- PDB
- 3IHQ
- Type
- protein
- Length
- 182 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Regulatory protein spx; DNA-directed RNA polymerase subunit alpha
- EC
- 2.7.7.6
- UniProt
- O31602, P20429
Structure
x-ray diffraction · 2 distinct chains · 44% helix, 12% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Regulatory protein spx | protein | 115 | 37% helix, 17% strand | O31602 |
| B | DNA-directed RNA polymerase subunit alpha (EC 2.7.7.6) | protein | 67 | 57% helix, 4% strand | P20429 |
Ligands and binding sites
- IMD · Imidazole · additive · chains A
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Interfaces
1 interface between chains.
- A–B · 626 Ų buried · 16 hydrogen bonds · protein-protein
Compared structures
- 3IHQ · Crystal Structure of Reduced C10S Spx in Complex with the Alpha C-terminal Domain of RNA… · the same entry in another collection · chain A against A, TM-score 1.00
- O31602 · AlphaFold monomer V2.0 prediction for global transcriptional regulator spx (O31602) · a predicted model of the same protein · chain A against A, TM-score 0.97
- P20429 · AlphaFold monomer V2.0 prediction for DNA-directed RNA polymerase subunit alpha (P20429) · a predicted model of the same protein · chain B against A, TM-score 0.95
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 O31602
- Every structure of UniProt P20429
- Elsewhere: RCSB PDB 3IHQ · PDBe 3IHQ · UniProt O31602 · UniProt P20429
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