Homo sapiens
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | Ubiquitin-conjugating enzyme E2 K × 1 （P61086） water × 2 | Consistent with protein count |
| UniProt name | UBB_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain B； PDBConstruct 1–76； UniProt 1–76 |
Homo sapiens
| Assembly | Physical composition | Protein state | Molecular copy count | Associated components | Data consistency |
|---|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | Protein 2 | Ubiquitin × 1 （P0CG47） water × 2 | Consistent with protein count |
| UniProt name | UBE2K_HUMAN |
| Isoform | — |
| PDB entities | 2 |
| Chains and sequence ranges | Author chain A； PDBConstruct 1–200； UniProt 1–200 |
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 | 6jb7 |
| Deposition date deposition_date | 2019-01-25 |
| Structure title title | Crystal structure of Ub-conjugated Ube2K C92K&K97A mutant (isopeptide linkage), 2.1 A resolution |
| Keywords keywords | complex, LIGASE; LIGASE |
| 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） | 25.08 Å |
| Rg (electron density) | 24.46 Å |
| Total Rg | 25.26 Å |
| Atom count | 2177 |
| Residues | 276 |
| Excluded volume | 39028 ų |
| Maximum q | 0.500 Å⁻¹ |
| Domain ID domain_id | d6jb7a1 |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.20 — UBC-like |
| Superfamily Superfamily superfamily | d.20.1 — UBC-like |
| Family Family family | d.20.1.1 — UBC-related |
| Domain ID domain_id | d6jb7a2 |
| Class class | a — All alpha proteins |
| Fold Fold fold | a.5 — RuvA C-terminal domain-like |
| Superfamily Superfamily superfamily | a.5.2 — UBA-like |
| Family Family family | a.5.2.1 — UBA domain |
| Domain ID domain_id | d6jb7b_ |
| Class class | d — Alpha and beta proteins (a+b) |
| Fold Fold fold | d.15 — beta-Grasp (ubiquitin-like) |
| Superfamily Superfamily superfamily | d.15.1 — Ubiquitin-like |
| Family Family family | d.15.1.1 — Ubiquitin-related |
| Domain ID domain_id | 6jb7A01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 10 — Roll |
| Topology topology | 110 — Ubiquitin Conjugating Enzyme |
| Homologous superfamily homologous superfamily | 10 — Ubiquitin Conjugating Enzyme |
| Domain ID domain_id | 6jb7A02 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 8 — Helicase, Ruva Protein; domain 3 |
| Homologous superfamily homologous superfamily | 10 — Ubiquitin-associated (UBA) domain |