1NS4
Crystal structure of galactose mutarotase from Lactococcus lactis mutant E304Q complexed with glucose
- PDB DOI: https://doi.org/10.2210/pdb1NS4/pdb
- Classification: ISOMERASE
- Organism(s): Lactococcus lactis
- Expression System: Escherichia coli
- Mutation(s): Yes 
- Deposited: 2003-01-27 Released: 2003-02-11 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 1.85 Å
- R-Value Free: 0.213 
- R-Value Work: 0.152 
- R-Value Observed: 0.156 
This is version 1.6 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 |
GALACTOSE MUTAROTASE | 347 | Lactococcus lactis | Mutation(s): 1  EC: 5.1.3.3 | ||
UniProt | |||||
Find proteins for Q9ZB17 (Lactococcus lactis) Explore Q9ZB17  Go to UniProtKB:  Q9ZB17 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | Q9ZB17 | ||||
Sequence AnnotationsExpand | |||||
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Small Molecules
Ligands 2 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
BGC Query on BGC | C [auth A], E [auth B] | beta-D-glucopyranose C6 H12 O6 WQZGKKKJIJFFOK-VFUOTHLCSA-N | |||
NA Query on NA | D [auth A] | SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 1.85 Å
- R-Value Free: 0.213 
- R-Value Work: 0.152 
- R-Value Observed: 0.156 
- Space Group: P 21 21 21
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 44.8 | α = 90 |
b = 76.2 | β = 90 |
c = 210.7 | γ = 90 |
Software Name | Purpose |
---|---|
FRAMBO | data collection |
SAINT | data reduction |
TNT | refinement |
SAINT | data scaling |
TNT | phasing |
Entry History 
Deposition Data
- Released Date: 2003-02-11  Deposition Author(s): Holden, H.M., Thoden, J.B.
Revision History (Full details and data files)
- Version 1.0: 2003-02-11
Type: Initial release - Version 1.1: 2008-04-29
Changes: Version format compliance - Version 1.2: 2011-07-13
Changes: Version format compliance - Version 1.3: 2017-10-11
Changes: Refinement description - Version 1.4: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Data collection, Database references, Derived calculations, Structure summary - Version 1.5: 2021-10-27
Changes: Database references, Structure summary - Version 1.6: 2023-08-16
Changes: Data collection, Refinement description