Research workbench
X-ray structure of camp dependent protein kinase a in complex with high MG2+ concentration, AMP-pcp and pseudo-substrate peptide SP20
Analyse X-ray structure of camp dependent protein kinase a in complex with high MG2+… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 4IAC
- Type
- protein
- Length
- 356 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Camp-dependent protein kinase catalytic subunit alpha; Peptide SP20
- EC
- 2.7.11.11
- UniProt
- P05132
- Ligands
- ACP, MG
- Pockets
- 5 · best druggability 0.80
Structure
x-ray diffraction · 2 distinct chains · 36% helix, 15% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Camp-dependent protein kinase catalytic subunit alpha (EC 2.7.11.11) | protein | 336 | 36% helix, 16% strand | P05132 |
| S | Peptide SP20 | protein | 20 | 30% helix, 5% strand | — |
Ligands and binding sites
- ACP · Phosphomethylphosphonic acid adenylate ester · ligand · chains A, S
- MG · Magnesium ion · metal · 2 copies · chains A, S
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 | 329 | 0.80 | 0.90 | 41 | MG, ACP |
| 2 | 86 | 0.41 | 0.78 | 16 | empty |
| 3 | 57 | 0.39 | 0.80 | 12 | empty |
| 4 | 73 | 0.32 | 0.74 | 17 | empty |
| 5 | 58 | 0.25 | 0.72 | 16 | empty |
Interfaces
1 interface between chains.
- A–S · 1061 Ų buried · 21 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 3 modified (phosphorylation).
Compared structures
- 4IAC · X-RAY structure of cAMP dependent protein kinase A in complex with HIGH MG2+… · 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 P05132
- Elsewhere: RCSB PDB 4IAC · PDBe 4IAC · UniProt P05132
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