Research workbench
Crystal structure of N-terminal C1 domain of kaic
Analyse Crystal structure of N-terminal C1 domain of kaic in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 4TLA
- Type
- protein
- Length
- 1,348 residues
- Chains
- 6
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Circadian clock protein kinase kaic
- EC
- 2.7.11.1
- UniProt
- Q79PF4
- Ligands
- ADP, ANP, MG, CL
- Pockets
- 17 · best druggability 0.80
Structure
x-ray diffraction · 6 distinct chains · 35% helix, 28% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | Circadian clock protein kinase kaic (EC 2.7.11.1) | protein | 216 | 34% helix, 30% strand | Q79PF4 |
| B | Circadian clock protein kinase kaic (EC 2.7.11.1) | protein | 216 | 35% helix, 30% strand | Q79PF4 |
| C | Circadian clock protein kinase kaic (EC 2.7.11.1) | protein | 227 | 36% helix, 28% strand | Q79PF4 |
| D | Circadian clock protein kinase kaic (EC 2.7.11.1) | protein | 229 | 33% helix, 28% strand | Q79PF4 |
| E | Circadian clock protein kinase kaic (EC 2.7.11.1) | protein | 236 | 36% helix, 27% strand | Q79PF4 |
| F | Circadian clock protein kinase kaic (EC 2.7.11.1) | protein | 224 | 34% helix, 29% strand | Q79PF4 |
Ligands and binding sites
- ADP · Adenosine-5'-diphosphate · ligand · 4 copies · chains B, C, D, E, F
- ANP · Phosphoaminophosphonic acid-adenylate ester · ligand · 2 copies · chains A, B, F
- MG · Magnesium ion · metal · 6 copies · chains A, B, C, D, E, F
- CL · Chloride ion · ion · 6 copies · chains A, B, C, D, E, F
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
17 pockets found on a 1 Å grid, 15 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 929 | 0.80 | 0.82 | 95 | ADP, MG |
| 2 | 303 | 0.80 | 0.91 | 48 | ADP, MG, CL |
| 3 | 342 | 0.80 | 0.90 | 52 | ANP, MG |
| 4 | 256 | 0.79 | 0.92 | 41 | ANP, MG |
| 5 | 294 | 0.79 | 0.90 | 44 | ADP, MG, CL |
Interfaces
6 interfaces between chains.
- A–F · 1488 Ų buried · 30 hydrogen bonds · protein-protein
- E–F · 1452 Ų buried · 29 hydrogen bonds · protein-protein
- C–D · 1441 Ų buried · 25 hydrogen bonds · protein-protein
- A–B · 1312 Ų buried · 26 hydrogen bonds · protein-protein
- B–C · 1176 Ų buried · 17 hydrogen bonds · protein-protein
Compared structures
- 4TLA · Crystal structure of N-terminal C1 domain of KaiC · the same entry in another collection · chain D against D, 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 Q79PF4
- Elsewhere: RCSB PDB 4TLA · PDBe 4TLA · UniProt Q79PF4
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