Homo sapiens
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | Cyclin-T1 × 1 （O60563） | Consistent with protein count |
| UniProt name | CDK9_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 3–373； UniProt 2–372 |
Homo sapiens
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | Cyclin-dependent kinase 9 × 1 （P50750） | Consistent with protein count |
| UniProt name | CCNT1_HUMAN |
| Isoform | — |
| PDB entities | 2 |
| Chains and sequence ranges | Author chain B； PDBConstruct 3–260； UniProt 2–259 |
The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.
| Entry ID entry_id | 4ec8 |
| Deposition date deposition_date | 2012-03-26 |
| Structure title title | Structure of full length CDK9 in complex with cyclinT and DRB |
| Keywords keywords | cyclin dependend kinase, cyclin, TRANSFERASE-PROTEIN BINDING complex; TRANSFERASE/PROTEIN BINDING |
| Experimental Method method | X-RAY DIFFRACTION |
This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
| Rg（Guinier） | 29.46 Å |
| Rg (electron density) | 28.47 Å |
| Total Rg | 29.19 Å |
| Atom count | 4700 |
| Residues | 577 |
| Excluded volume | 84261 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | 4ec8A01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 200 — Phosphorylase Kinase; domain 1 |
| Homologous superfamily homologous superfamily | 20 — Phosphorylase Kinase; domain 1 |
| Domain ID domain_id | 4ec8A02 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 510 — Transferase(Phosphotransferase); domain 1 |
| Homologous superfamily homologous superfamily | 10 — Transferase(Phosphotransferase) domain 1 |
| Domain ID domain_id | 4ec8B01 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 472 — Cyclin A; domain 1 |
| Homologous superfamily homologous superfamily | 10 — Cyclin-like |
| Domain ID domain_id | 4ec8B02 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 472 — Cyclin A; domain 1 |
| Homologous superfamily homologous superfamily | 10 — Cyclin-like |