Research workbench
Crystal structure of protein phosphatase 2A (PP2A) and PP2A phosphatase activator (ptpa) complex with atpgammas
Analyse Crystal structure of protein phosphatase 2A (PP2A) and PP2A phosphatase… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 4LAC
- Type
- protein
- Length
- 820 residues
- Chains
- 3
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- SERINE/THREONINE-protein phosphatase 2A activator; PP2A scaffold subunit a, truncated, an…
- EC
- 5.2.1.8, 3.1.3.16
- UniProt
- Q15257, P67775
- Ligands
- AGS, MN
- Pockets
- 10 · best druggability 0.83
Structure
x-ray diffraction · 3 distinct chains · 58% helix, 8% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| B | SERINE/THREONINE-protein phosphatase 2A activator (EC 5.2.1.8) | protein | 301 | 59% helix, 3% strand | Q15257 |
| A | PP2A scaffold subunit a, truncated, an internal deletion of PP2A a | protein | 229 | 83% helix, 0% strand | — |
| C | SERINE/THREONINE-protein phosphatase 2A catalytic subunit alpha isoform (EC 3.1.3.16) | protein | 290 | 36% helix, 19% strand | P67775 |
Ligands and binding sites
- AGS · Phosphothiophosphoric acid-adenylate ester · ligand · chains B, C
- MN · Manganese (II) ion · metal · 2 copies · chains C
- PEG · Di(hydroxyethyl)ether · additive · chains A, C
- MES · 2-(N-morpholino)-ethanesulfonic acid · additive · chains C
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
10 pockets found on a 1 Å grid, 4 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 577 | 0.83 | 0.88 | 83 | AGS |
| 2 | 143 | 0.59 | 0.84 | 25 | empty |
| 3 | 151 | 0.55 | 0.81 | 28 | MES |
| 4 | 130 | 0.52 | 0.81 | 25 | empty |
| 5 | 188 | 0.47 | 0.75 | 28 | empty |
Interfaces
2 interfaces between chains.
- B–C · 1508 Ų buried · 17 hydrogen bonds · protein-protein
- A–C · 1018 Ų buried · 24 hydrogen bonds · protein-protein
Compared structures
- 4LAC · Crystal Structure of Protein Phosphatase 2A (PP2A) and PP2A phosphatase activator (PTPA)… · the same entry in another collection · chain B against B, TM-score 1.00
- P67775 · AlphaFold monomer V2.0 prediction for SERINE/THREONINE-protein phosphatase 2A catalytic… · a predicted model of the same protein · chain C against A, TM-score 1.00
- Q15257 · AlphaFold monomer V2.0 prediction for SERINE/THREONINE-protein phosphatase 2A activator… · a predicted model of the same protein · chain B against A, TM-score 0.99
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 Q15257
- Every structure of UniProt P67775
- Elsewhere: RCSB PDB 4LAC · PDBe 4LAC · UniProt Q15257 · UniProt P67775
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