1JYN
E. COLI (lacZ) BETA-GALACTOSIDASE (E537Q) IN COMPLEX WITH LACTOSE
- PDB DOI: https://doi.org/10.2210/pdb1JYN/pdb
- Classification: HYDROLASE
- Organism(s): Escherichia coli
- Expression System: Escherichia coli
- Mutation(s): Yes 
- Deposited: 2001-09-13 Released: 2001-12-07 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 1.80 Å
- R-Value Free: 0.219 
- R-Value Work: 0.155 
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-Galactosidase | 1,023 | Escherichia coli | Mutation(s): 1  Gene Names: lacZ EC: 3.2.1.23 | ||
UniProt | |||||
Find proteins for P00722 (Escherichia coli (strain K12)) Explore P00722  Go to UniProtKB:  P00722 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P00722 | ||||
Sequence AnnotationsExpand | |||||
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Oligosaccharides
Small Molecules
Ligands 3 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
DMS Query on DMS | AA [auth A] AB [auth B] AC [auth C] AE [auth D] BA [auth A] | DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N | |||
MG Query on MG | AD [auth D] BD [auth D] I [auth A] J [auth A] K [auth A] | MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N | |||
NA Query on NA | CD [auth D] DD [auth D] ED [auth D] L [auth A] M [auth A] | SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N |
Biologically Interesting Molecules (External Reference) 1 Unique
Entity ID: 2 | |||||
---|---|---|---|---|---|
ID | Chains | Name | Type/Class | 2D Diagram | 3D Interactions |
PRD_900004 Query on PRD_900004 | E, F, G, H | beta-lactose | Oligosaccharide / Nutrient |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 1.80 Å
- R-Value Free: 0.219 
- R-Value Work: 0.155 
- Space Group: P 21 21 21
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 149.55 | α = 90 |
b = 168.63 | β = 90 |
c = 200.88 | γ = 90 |
Software Name | Purpose |
---|---|
TNT | refinement |
MOSFLM | data reduction |
CCP4 | data scaling |
TNT | phasing |
Entry History 
Deposition Data
- Released Date: 2001-12-07  Deposition Author(s): Juers, D.H., Matthews, B.W.
Revision History (Full details and data files)
- Version 1.0: 2001-12-07
Type: Initial release - Version 1.1: 2008-04-27
Changes: Version format compliance - Version 1.2: 2011-07-13
Changes: Non-polymer description, Version format compliance - Version 2.0: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Structure summary - Version 2.1: 2021-10-27
Changes: Database references, Structure summary - Version 2.2: 2024-02-07
Changes: Data collection