5HWA
Crystal Structure of MH-K1 chitosanase in substrate-bound form
- PDB DOI: https://doi.org/10.2210/pdb5HWA/pdb
- Classification: HYDROLASE
- Organism(s): Niallia circulans
- Expression System: Brevibacillus choshinensis
- Mutation(s): Yes
- Deposited: 2016-01-29 Released: 2017-02-08
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 1.35 Å
- R-Value Free: 0.170
- R-Value Work: 0.137
- R-Value Observed: 0.138
wwPDB Validation 3D Report Full Report
This is version 2.1 of the entry. See complete history.
Macromolecules
Find similar proteins by:
(by identity cutoff) | 3D Structure
Entity ID: 1 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Sequence Length | Organism | Details | Image |
| Chitosanase | 259 | Niallia circulans | Mutation(s): 1 Gene Names: csn EC: 3.2.1.132 |  | |
UniProt | |||||
Find proteins for P33673 (Niallia circulans) Explore P33673 Go to UniProtKB: P33673 | |||||
Entity Groups | |||||
| Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
| UniProt Group | P33673 | ||||
Sequence AnnotationsExpand | |||||
| |||||
Oligosaccharides
Entity ID: 2 | |||||
|---|---|---|---|---|---|
| Molecule | Chains | Length | 2D Diagram | Glycosylation | 3D Interactions |
| 2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-beta-D-glucopyranose-(1-4)-2-amino-2-deoxy-beta-D-glucopyranose | B | 4 |  | N/A | |
Glycosylation Resources | |||||
GlyTouCan: G94774FX GlyCosmos: G94774FX | |||||
Small Molecules
| Ligands 3 Unique | |||||
|---|---|---|---|---|---|
| ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
| CAC Query on CAC | C [auth A] | CACODYLATE ION C2 H6 As O2 OGGXGZAMXPVRFZ-UHFFFAOYSA-M |  | ||
| ZN Query on ZN | G [auth A] H [auth A] I [auth A] J [auth A] K [auth A] | ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N |  | ||
| ACY Query on ACY | D [auth A], E [auth A], F [auth A] | ACETIC ACID C2 H4 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-N |  | ||
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 1.35 Å
- R-Value Free: 0.170
- R-Value Work: 0.137
- R-Value Observed: 0.138
- Space Group: P 21 21 21
Unit Cell:
| Length ( Å ) | Angle ( ˚ ) |
|---|---|
| a = 40.75 | α = 90 |
| b = 79.03 | β = 90 |
| c = 94.76 | γ = 90 |
| Software Name | Purpose |
|---|---|
| REFMAC | refinement |
| MOSFLM | data collection |
| SCALA | data scaling |
| MOLREP | phasing |
| PDB_EXTRACT | data extraction |
Entry History
Deposition Data
- Released Date: 2017-02-08 Deposition Author(s): Suzuki, M., Saito, A., Ando, A., Miki, K., Saito, J.
Revision History (Full details and data files)
- Version 1.0: 2017-02-08
Type: Initial release - Version 1.1: 2020-02-19
Changes: Data collection - Version 2.0: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Advisory, Atomic model, Data collection, Derived calculations, Structure summary - Version 2.1: 2024-02-21
Changes: Data collection, Database references, Derived calculations, Structure summary
