Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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Protein Workshop | Ligand Explorer

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

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

Biological Assembly 2  

 3D View: Structure | Electron Density | Ligand Interaction

Standalone Viewers  
Protein Workshop | Ligand Explorer

Global Symmetry: Dihedral - D2  (3D View)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 46931.38 
• Atom Count: 3236 
• Residue Count: 404 
• Unique protein chains: 1

1I24

HIGH RESOLUTION CRYSTAL STRUCTURE OF THE WILD-TYPE PROTEIN SQD1, WITH NAD AND UDP-GLUCOSE

• DOI: 10.2210/pdb1I24/pdb

• Classification: BIOSYNTHETIC PROTEIN
• Organism(s): Arabidopsis thaliana
• Expression System: Escherichia coli


• Deposited: 2001-02-05 Released: 2003-07-01 
• Deposition Author(s): Theisen, M.J., Sanda, S.L., Ginell, S.L., Benning, C., Garavito, R.M.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.2 Å
• R-Value Free: 0.198 
• R-Value Work: 0.192 

Literature

Characterization of the Active Site of Udp-Sulfoquinovose Synthase: Formation of the Sulfonic Acid Product in the Crystalline State

Theisen, M.J., Sanda, S.L., Ginell, S.L., Benning, C., Garavito, R.M.

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
SULFOLIPID BIOSYNTHESIS PROTEIN SQD1	A	404	Arabidopsis thaliana	Mutation(s): 0  Gene Names: SQD1 EC: 3.13.1.1
Find proteins for O48917 (Arabidopsis thaliana) Go to UniProtKB:  O48917

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
SO4	A	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
UPG	A	URIDINE-5'-DIPHOSPHATE-GLUCOSE URIDINE-5'-MONOPHOSPHATE GLUCOPYRANOSYL-MONOPHOSPHATE ESTER C15 H24 N2 O17 P2 HSCJRCZFDFQWRP-JZMIEXBBSA-N
NAD	A	NICOTINAMIDE-ADENINE-DINUCLEOTIDE C21 H27 N7 O14 P2 BAWFJGJZGIEFAR-NNYOXOHSSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.2 Å
• R-Value Free: 0.198 
• R-Value Work: 0.192 
• Space Group: I 4₁ 2 2

Unit Cell:

Length (Å)	Angle (°)
a = 160.243	α = 90.00
b = 160.243	β = 90.00
c = 99.273	γ = 90.00

Software Package:

Software Name	Purpose
TRUNCATE	data reduction
CCP4	data scaling
d*TREK	data reduction
HKL-2000	data collection
CNS	phasing
HKL-2000	data reduction
SCALEPACK	data scaling
CNS	refinement
d*TREK	data scaling

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2001-02-05 
• Released Date: 2003-07-01 
• Deposition Author(s): Theisen, M.J., Sanda, S.L., Ginell, S.L., Benning, C., Garavito, R.M.

Revision History 

• Version 1.0: 2003-07-01
  Type: Initial release
• Version 1.1: 2008-04-27
  Type: Version format compliance
• Version 1.2: 2011-07-13
  Type: Derived calculations, Version format compliance
• Version 1.3: 2011-11-16
  Type: Atomic model