5O8L

Crystal structure of Leuconostoc citreum NRRL B-1299 N-terminally truncated dextransucrase DSR-M in complex with sucrose

• PDB DOI: https://doi.org/10.2210/pdb5O8L/pdb

• Classification: TRANSFERASE
• Organism(s): Leuconostoc citreum
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2017-06-13 Released: 2017-11-29 
• Deposition Author(s): Claverie, M., Cioci, G., Remaud-simeon, M., Moulis, C., Tranier, S.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.60 Å
• R-Value Free: 0.228 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 

Literature

Investigations on the Determinants Responsible for Low Molar Mass Dextran Formation by DSR-M Dextransucrase

Claverie, M., Cioci, G., Vuillemin, M., Monties, N., Roblin, P., Lippens, G., Remaud-Simeon, M., Moulis, C.

(2017) ACS Catal 7: 7106-7119

• DOI: https://doi.org/10.1021/acscatal.7b02182

Biological Assembly 1  

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

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

Biological Assembly Evidence: SAXS

Macromolecule Content

• Total Structure Weight: 144.36 kDa 
• Atom Count: 8,612 
• Modelled Residue Count: 1,098 
• Deposited Residue Count: 1,290 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Alternansucrase	A	1,290	Leuconostoc citreum	Mutation(s): 0  Gene Names: asr EC: 2.4.1.140
UniProt
Find proteins for A0A2H4A2Q1 (Leuconostoc citreum) Explore A0A2H4A2Q1  Go to UniProtKB:  A0A2H4A2Q1

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose	B	2		N/A
Glycosylation Resources
GlyTouCan:  G05551OP GlyCosmos:  G05551OP

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900003	B	sucrose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.60 Å
• R-Value Free: 0.228 
• R-Value Work: 0.198 
• R-Value Observed: 0.200 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 183.625	α = 90
b = 183.625	β = 90
c = 146.804	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2017-11-29 
Deposition Author(s): Claverie, M., Cioci, G., Remaud-simeon, M., Moulis, C., Tranier, S.

Revision History  

• Version 1.0: 2017-11-29
  Type: Initial release
  
• Version 1.1: 2019-10-16
  Changes: Data collection
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary