Research workbench
Crystal structure of stringent starvation protein a (sspa), an RNA polymerase-associated transcription factor
Analyse Crystal structure of stringent starvation protein a (sspa), an RNA… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 1YY7
- Type
- protein
- Length
- 410 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Stringent starvation protein a
- UniProt
- Q8ZB63
- Pockets
- 5 · best druggability 0.60
Structure
x-ray diffraction · 2 distinct chains · 57% helix, 10% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Stringent starvation protein a | protein | 206 | 59% helix, 10% strand | Q8ZB63 |
| B | Stringent starvation protein a | protein | 204 | 55% helix, 10% strand | Q8ZB63 |
Ligands and binding sites
- CIT · Citric acid · additive · 2 copies · chains B, A
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
5 pockets found on a 1 Å grid, 1 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 397 | 0.60 | 0.76 | 46 | CIT |
| 2 | 99 | 0.36 | 0.74 | 25 | empty |
| 3 | 81 | 0.33 | 0.74 | 15 | empty |
| 4 | 88 | 0.31 | 0.72 | 17 | empty |
| 5 | 65 | 0.26 | 0.72 | 17 | empty |
Interfaces
1 interface between chains.
- A–B · 1194 Ų buried · 23 hydrogen bonds · protein-protein
Compared structures
- 1YY7 · Crystal structure of stringent starvation protein A (SspA), an RNA polymerase-associated… · 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 Q8ZB63
- Elsewhere: RCSB PDB 1YY7 · PDBe 1YY7 · UniProt Q8ZB63
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