2ARC
ESCHERICHIA COLI REGULATORY PROTEIN ARAC COMPLEXED WITH L-ARABINOSE
- PDB DOI: https://doi.org/10.2210/pdb2ARC/pdb
- Classification: TRANSCRIPTION FACTOR
- Organism(s): Escherichia coli
- Expression System: Escherichia coli
- Mutation(s): No 
- Deposited: 1996-10-29 Released: 1997-05-15 
Experimental Data Snapshot
- Method: X-RAY DIFFRACTION
- Resolution: 1.50 Å
- R-Value Free: 0.232 
- R-Value Work: 0.179 
- R-Value Observed: 0.179 
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 |
ARABINOSE OPERON REGULATORY PROTEIN | 164 | Escherichia coli | Mutation(s): 0  | ||
UniProt | |||||
Find proteins for P0A9E0 (Escherichia coli (strain K12)) Explore P0A9E0  Go to UniProtKB:  P0A9E0 | |||||
Entity Groups   | |||||
Sequence Clusters | 30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity | ||||
UniProt Group | P0A9E0 | ||||
Sequence AnnotationsExpand | |||||
|
Small Molecules
Ligands 1 Unique | |||||
---|---|---|---|---|---|
ID | Chains | Name / Formula / InChI Key | 2D Diagram | 3D Interactions | |
ARA Query on ARA | C [auth A], D [auth B] | alpha-L-arabinopyranose C5 H10 O5 SRBFZHDQGSBBOR-QMKXCQHVSA-N |
Experimental Data & Validation
Experimental Data
- Method: X-RAY DIFFRACTION
- Resolution: 1.50 Å
- R-Value Free: 0.232 
- R-Value Work: 0.179 
- R-Value Observed: 0.179 
- Space Group: P 1 21 1
Unit Cell:
Length ( Å ) | Angle ( ˚ ) |
---|---|
a = 39.75 | α = 90 |
b = 93.84 | β = 95.62 |
c = 50.33 | γ = 90 |
Software Name | Purpose |
---|---|
X-PLOR | model building |
X-PLOR | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
X-PLOR | phasing |
Entry History 
Deposition Data
- Released Date: 1997-05-15  Deposition Author(s): Soisson, S.M., Wolberger, C.
Revision History (Full details and data files)
- Version 1.0: 1997-05-15
Type: Initial release - Version 1.1: 2008-03-03
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, Derived calculations, Other, Structure summary - Version 1.4: 2024-02-14
Changes: Data collection, Database references, Structure summary