3WOA

Crystal structure of lambda repressor (1-45) fused with maltose-binding protein

• PDB DOI: https://doi.org/10.2210/pdb3WOA/pdb

• Classification: DNA BINDING PROTEIN, SUGAR BINDING PROTEIN
• Organism(s): Lambdavirus lambda, Escherichia coli K-12
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2013-12-25 Released: 2015-04-29 
• Deposition Author(s): Hanazono, Y., Takeda, K., Miki, K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.194 
• R-Value Work: 0.158 
• R-Value Observed: 0.160 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 46.26 kDa 
• Atom Count: 3,727 
• Modelled Residue Count: 413 
• Deposited Residue Count: 417 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Repressor protein CI, Maltose-binding periplasmic protein	A	417	Lambdavirus lambda, Escherichia coli K-12 This entity is chimeric	Mutation(s): 1  Gene Names: malE, b4034, JW3994
UniProt
Find proteins for P0AEX9 (Escherichia coli (strain K12)) Explore P0AEX9  Go to UniProtKB:  P0AEX9
Find proteins for P03034 (Escherichia phage lambda) Explore P03034  Go to UniProtKB:  P03034
UniProt Groups	P03034P0AEX9

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose	B	2		N/A
Glycosylation Resources
GlyTouCan:  G07411ON GlyCosmos:  G07411ON

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900001	B	alpha-maltose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.194 
• R-Value Work: 0.158 
• R-Value Observed: 0.160 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 150.865	α = 90
b = 52.622	β = 90
c = 58.271	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
MOLREP	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-04-29 
Deposition Author(s): Hanazono, Y., Takeda, K., Miki, K.

Revision History  

• Version 1.0: 2015-04-29
  Type: Initial release
  
• Version 1.1: 2017-08-16
  Changes: Refinement description, Source and taxonomy
• Version 1.2: 2018-08-22
  Changes: Data collection, Database references
• 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: 2023-11-08
  Changes: Data collection, Database references, Refinement description, Structure summary