1C7T
BETA-N-ACETYLHEXOSAMINIDASE MUTANT E540D COMPLEXED WITH DI-N ACETYL-D-GLUCOSAMINE (CHITOBIASE)
- PDB DOI: https://doi.org/10.2210/pdb1C7T/pdb
- Classification: HYDROLASE
- Organism(s): Serratia marcescens
- Expression System: Escherichia coli
- Mutation(s): Yes 
- Deposited: 2000-03-17 Released: 2000-09-20 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 1.90 Å
- R-Value Free: 0.246 
- R-Value Work: 0.191 
wwPDB Validation   3D Report Full Report
This is version 2.2 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 |
BETA-N-ACETYLHEXOSAMINIDASE | 858 | Serratia marcescens | Mutation(s): 1  EC: 3.2.1.52 | ||
UniProt | |||||
Find proteins for Q54468 (Serratia marcescens) Explore Q54468  Go to UniProtKB:  Q54468 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | Q54468 | ||||
Sequence AnnotationsExpand | |||||
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Oligosaccharides
Small Molecules
Ligands 1 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
SO4 Query on SO4 | C [auth A], D [auth A], E [auth A], F [auth A] | SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 1.90 Å
- R-Value Free: 0.246 
- R-Value Work: 0.191 
- Space Group: P 21 21 2
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 109.174 | α = 90 |
b = 99.416 | β = 90 |
c = 86.556 | γ = 90 |
Software Name | Purpose |
---|---|
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |
REFMAC | refinement |
ARP | model building |
Entry History 
Deposition Data
- Released Date: 2000-09-20  Deposition Author(s): Prag, G., Papanikolau, Y., Tavlas, G., Vorgias, C.E., Petratos, K., Oppenheim, A.B.
Revision History (Full details and data files)
- Version 1.0: 2000-09-20
Type: Initial release - Version 1.1: 2008-04-26
Changes: Version format compliance - Version 1.2: 2011-07-13
Changes: Version format compliance - Version 2.0: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Structure summary - Version 2.1: 2021-11-03
Changes: Database references, Structure summary - Version 2.2: 2023-08-09
Changes: Data collection, Refinement description