3K0A
Crystal structure of the phosphorylation-site mutant S431A of the KaiC circadian clock protein
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Circadian clock protein kinase KaiC | polymer | 519 | 58216.7 | 1 | UniProt (Q79PF4) Pfam (PF06745) | Synechococcus elongatus PCC 7942 (Anacystis nidulans R2) | |
| 2 | B, C, D, E, F (B, C, D, E, F) | Circadian clock protein kinase KaiC | polymer | 519 | 58136.8 | 5 | UniProt (Q79PF4) Pfam (PF06745) | Synechococcus elongatus PCC 7942 (Anacystis nidulans R2) | |
| 3 | AA, EA, FA, G, H... (D, E, A, F, B...) | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 12 | Chemie (ATP) | |||
| 4 | BA, CA, DA, GA, HA... (D, E, A, F, B...) | MAGNESIUM ION | non-polymer | 24.3 | 22 | Chemie (MG) | |||
| 5 | OA, PA, QA, RA, SA... (A, B, C, D, E...) | water | water | 18.0 | 119 | Chemie (HOH) |
Sequence modifications
A: 1 - 519 (UniProt: Q79PF4)
B, C, D, E, F: 1 - 519 (UniProt: Q79PF4)
| PDB | External Database | Details |
|---|---|---|
| Ala 431 | Ser 431 | engineered mutation |
| PDB | External Database | Details |
|---|---|---|
| Ala 431 | Ser 431 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 348900.5 | |
| Non-Polymers* | Number of molecules | 34 |
| Total formula weight | 6620.9 | |
| All* | Total formula weight | 355521.4 |
