Homo sapiens
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | PROTEIN (CKSHS1 HUMAN) × 1 （P61024） water × 2 | Consistent with protein count |
| UniProt name | CDK2_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–298； UniProt 1–298 |
Homo sapiens
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | PROTEIN (CDK2 HUMAN) × 1 （P24941） water × 2 | Consistent with protein count |
| UniProt name | CKS1_HUMAN |
| Isoform | — |
| PDB entities | 2 |
| Chains and sequence ranges | Author chain B； PDBConstruct 1–79； UniProt 1–79 |
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 | 1buh |
| Deposition date deposition_date | 1998-09-03 |
| Structure title title | CRYSTAL STRUCTURE OF THE HUMAN CDK2 KINASE COMPLEX WITH CELL CYCLE-REGULATORY PROTEIN CKSHS1 |
| Keywords keywords | TRANSFERASE; TRANSFERASE |
| 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） | 23.52 Å |
| Rg (electron density) | 22.50 Å |
| Total Rg | 23.41 Å |
| Atom count | 2916 |
| Residues | 357 |
| Excluded volume | 52543 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d1buha_ |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.144 — Protein kinase-like (PK-like) |
| Superfamily Superfamily superfamily | d.144.1 — Protein kinase-like (PK-like) |
| Family Family family | d.144.1.7 — Protein kinases, catalytic subunit |
| Domain ID domain_id | d1buhb_ |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.97 — Cell cycle regulatory proteins |
| Superfamily Superfamily superfamily | d.97.1 — Cell cycle regulatory proteins |
| Family Family family | d.97.1.1 — Cell cycle regulatory proteins |
| Domain ID domain_id | 1buhA01 |
| 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 | 1buhA02 |
| 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 | 1buhB00 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 170 — Cyclin-Dependent Kinase Subunit Type 2 |
| Homologous superfamily homologous superfamily | 10 — Cyclin-dependent kinase, regulatory subunit |