4CN1

GlgE isoform 1 from Streptomyces coelicolor D394A mutant with maltose- 1-phosphate bound

• PDB DOI: https://doi.org/10.2210/pdb4CN1/pdb

• Classification: HYDROLASE
• Organism(s): Streptomyces coelicolor
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2014-01-21 Released: 2014-05-21 
• Deposition Author(s): Syson, K., Stevenson, C.E.M., Rashid, A.M., Saalbach, G., Tang, M., Tuukanen, A., Svergun, D.I., Withers, S.G., Lawson, D.M., Bornemann, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.55 Å
• R-Value Free: 0.215 
• R-Value Work: 0.185 
• R-Value Observed: 0.186 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 155.89 kDa 
• Atom Count: 10,785 
• Modelled Residue Count: 1,298 
• Deposited Residue Count: 1,390 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ALPHA-1,4-GLUCAN\: MALTOSE-1-PHOSPHATE MALTOSYLTRANSFERASE 1	A, B	695	Streptomyces coelicolor	Mutation(s): 1  EC: 2.4.99.16
UniProt
Find proteins for Q9L1K2 (Streptomyces coelicolor (strain ATCC BAA-471 / A3(2) / M145)) Explore Q9L1K2  Go to UniProtKB:  Q9L1K2

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-4)-1-O-phosphono-alpha-D-glucopyranose	C, D	2		N/A
Glycosylation Resources
GlyTouCan:  G71823NC GlyCosmos:  G71823NC

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900078	C, D	alpha-maltose 1-phosphate	Oligosaccharide / Substrate analog

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.55 Å
• R-Value Free: 0.215 
• R-Value Work: 0.185 
• R-Value Observed: 0.186 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 113.52	α = 90
b = 113.52	β = 90
c = 313.6	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-05-21 
Deposition Author(s): Syson, K., Stevenson, C.E.M., Rashid, A.M., Saalbach, G., Tang, M., Tuukanen, A., Svergun, D.I., Withers, S.G., Lawson, D.M., Bornemann, S.

Revision History  

• Version 1.0: 2014-05-21
  Type: Initial release
  
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Non-polymer description, Other, Structure summary
• Version 2.1: 2023-12-20
  Changes: Data collection, Database references, Refinement description, Structure summary