1JYX
E. COLI (lacZ) BETA-GALACTOSIDASE IN COMPLEX WITH IPTG
- PDB DOI: https://doi.org/10.2210/pdb1JYX/pdb
- Classification: HYDROLASE
- Organism(s): Escherichia coli
- Expression System: Escherichia coli
- Mutation(s): No 
- Deposited: 2001-09-13 Released: 2001-12-07 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 1.75 Å
- R-Value Free: 0.244 
- R-Value Work: 0.168 
This is version 1.4 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): 0  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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Small Molecules
Ligands 4 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
IPT Query on IPT | J [auth A] JB [auth C] K [auth A] KA [auth B] KC [auth D] | 1-methylethyl 1-thio-beta-D-galactopyranoside C9 H18 O5 S BPHPUYQFMNQIOC-NXRLNHOXSA-N | |||
DMS Query on DMS | AA [auth A] AB [auth B] AC [auth C] AD [auth D] BA [auth A] | DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N | |||
MG Query on MG | DA [auth B] DB [auth C] E [auth A] EA [auth B] EB [auth C] | MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N | |||
NA Query on NA | FB [auth C] G [auth A] GA [auth B] GB [auth C] H [auth A] | SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 1.75 Å
- R-Value Free: 0.244 
- R-Value Work: 0.168 
- Space Group: P 21 21 21
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 151.77 | α = 90 |
b = 161.19 | β = 90 |
c = 202.91 | 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: Version format compliance - Version 1.3: 2020-07-29
Type: Remediation
Reason: Carbohydrate remediation
Changes: Data collection, Database references, Derived calculations, Structure summary - Version 1.4: 2023-08-16
Changes: Data collection, Database references, Refinement description, Structure summary