3d36
How to Switch Off a Histidine Kinase: Crystal Structure of Geobacillus stearothermophilus KinB with the Inhibitor Sda
1. Protein Identity and Related Structures Protein Identity & Related Structures
No usable UniProt protein identity is available for this entry.
The relationship tables retain this entry's assembly and composition data, but cross-PDB links for the same protein cannot be established reliably without a unified protein identity.
Assembly Composition of the Current Entry
| Assembly | Physical composition | Protein state | 蛋白 / DNA / RNA / 其他Polymer | Data consistency |
|---|---|---|---|---|
| 1 | Protein heterocomplex | Heteromer | 3 / 0 / 0 / 0 | Consistent with protein count |
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.
2. Structure Basics 2. Structure Basics
| Entry ID entry_id | 3d36 |
| Deposition date deposition_date | 2008-05-09 |
| Structure title title | How to Switch Off a Histidine Kinase: Crystal Structure of Geobacillus stearothermophilus KinB with the Inhibitor Sda |
| Keywords keywords | ;GHKL ATPase, Four Helix Bundle, Class I Two-Component Histidine Kinase, Kinase, Phosphoprotein, Transferase, Two-component regulatory system, Transferase-Transferase inhibitor COMPLEX ;; Transferase/Transferase inhibitor |
| Experimental Method method | X-RAY DIFFRACTION |
3. Official assembly/model SAXS Official SAXS Profiles
This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.
3d36__assembly_1__model_1
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
3d36__assembly_1__model_1 | I(q)
3d36__assembly_1__model_1 | P(r) · Pending
| Rg（Guinier） | 26.11 Å |
| Rg (electron density) | 25.12 Å |
| Total Rg | 25.92 Å |
| Atom count | 3851 |
| Residues | 480 |
| Excluded volume | 69389 ų |
| Maximum q | 0.500 Å⁻¹ |
4. Crystallography and Experiment 4. Crystallography & Experiment
5. Entities and Polymers Entities & Polymers (6)
6. Fold Classification (SCOP + CATH) 6 domains
SCOP 2.08 (1 domains)
| Domain ID domain_id | d3d36c_ |
| Class class | a — All alpha proteins |
| Fold Fold fold | a.2 — Long alpha-hairpin |
| Superfamily Superfamily superfamily | a.2.12 — Sporulation inhibitor Sda |
| Family Family family | a.2.12.1 — Sporulation inhibitor Sda |
CATH v4.4 (5 domains)
| Domain ID domain_id | 3d36A01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 565 — Heat Shock Protein 90 |
| Homologous superfamily homologous superfamily | 10 — Histidine kinase-like ATPase, C-terminal domain |
| Domain ID domain_id | 3d36A02 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 287 — Helix Hairpins |
| Homologous superfamily homologous superfamily | 130 — Signal transduction histidine kinase, dimerisation/phosphotransfer (DHp) domain |
| Domain ID domain_id | 3d36B01 |
| Class class | 3 — Alpha Beta |
| Architecture architecture | 30 — 2-Layer Sandwich |
| Topology topology | 565 — Heat Shock Protein 90 |
| Homologous superfamily homologous superfamily | 10 — Histidine kinase-like ATPase, C-terminal domain |
| Domain ID domain_id | 3d36B02 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 287 — Helix Hairpins |
| Homologous superfamily homologous superfamily | 130 — Signal transduction histidine kinase, dimerisation/phosphotransfer (DHp) domain |
| Domain ID domain_id | 3d36C01 |
| Class class | 1 — Mainly Alpha |
| Architecture architecture | 10 — Orthogonal Bundle |
| Topology topology | 287 — Helix Hairpins |
| Homologous superfamily homologous superfamily | 1100 — Sporulation inhibitor A |