2D2V

X-ray structure of the sucrose-phosphatase (SPP) from Synechocystis sp.PCC6803 in complex with maltose

• PDB DOI: https://doi.org/10.2210/pdb2D2V/pdb

• Classification: HYDROLASE
• Organism(s): Synechocystis sp. PCC 6803
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2005-09-16 Released: 2006-09-12 
• Deposition Author(s): Fieulaine, S., Lunn, J.E., Ferrer, J.-L.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.219 
• R-Value Work: 0.184 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 28.16 kDa 
• Atom Count: 2,220 
• Modelled Residue Count: 244 
• Deposited Residue Count: 244 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
hypothetical protein slr0953	A	244	Synechocystis sp. PCC 6803	Mutation(s): 0  Gene Names: spp EC: 3.1.3.24
UniProt
Find proteins for P74325 (Synechocystis sp. (strain PCC 6803 / Kazusa)) Explore P74325  Go to UniProtKB:  P74325

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

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MG	C [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

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: 2.50 Å
• R-Value Free: 0.219 
• R-Value Work: 0.184 
• Space Group: P 6₅ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 68.83	α = 90
b = 68.83	β = 90
c = 268.83	γ = 120

Software Package:

Software Name	Purpose
XDS	data scaling
XDS	data reduction
CNS	refinement
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-09-12 
Deposition Author(s): Fieulaine, S., Lunn, J.E., Ferrer, J.-L.

Revision History  

• Version 1.0: 2006-09-12
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary
• Version 2.1: 2023-10-25
  Changes: Data collection, Database references, Refinement description, Structure summary