1Q44

Crystal Structure of an Arabidopsis Thaliana Putative Steroid Sulfotransferase

• PDB DOI: https://doi.org/10.2210/pdb1Q44/pdb

• Classification: TRANSFERASE
• Organism(s): Arabidopsis thaliana
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2003-08-01 Released: 2003-11-25 
• Deposition Author(s): Phillips Jr., G.N., Smith, D.W., Johnson, K.A., Bingman, C.A., Center for Eukaryotic Structural Genomics (CESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.222 
• R-Value Work: 0.191 
• R-Value Observed: 0.193 

Starting Model: experimental

Re-refinement Note

A newer entry is available that reflects an alternative modeling of the original data: 2Q3M

Literature

Crystal structure of At2g03760, a putative steroid sulfotransferase from Arabidopsis thaliana

Smith, D.W., Johnson, K.A., Bingman, C.A., Aceti, D.J., Blommel, P.G., Wrobel, R.L., Frederick, R.O., Zhao, Q., Sreenath, H., Fox, B.G., Volkman, B.F., Jeon, W.B., Newman, C.S., Ulrich, E.L., Hegeman, A.D., Kimball, T., Thao, S., Sussman, M.R., Markley, J.L., Phillips Jr., G.N.

(2004) Proteins 57: 854-857

• PubMed: 15317023 
• DOI: https://doi.org/10.1002/prot.20258
• Primary Citation of Related Structures:  
  1Q44

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Organizational Affiliation: 

Center for Eukaryotic Structural Genomics, Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 37.29 kDa 
• Atom Count: 2,537 
• Modelled Residue Count: 284 
• Deposited Residue Count: 326 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Steroid Sulfotransferase	A	326	Arabidopsis thaliana	Mutation(s): 0  Gene Names: At2g03760 EC: 2.8.2
UniProt
Find proteins for P52839 (Arabidopsis thaliana) Explore P52839  Go to UniProtKB:  P52839

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MLA	B [auth A]	MALONIC ACID C3 H4 O4 OFOBLEOULBTSOW-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.222 
• R-Value Work: 0.191 
• R-Value Observed: 0.193 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 91.477	α = 90
b = 120.899	β = 90
c = 74.315	γ = 90

Software Package:

Software Name	Purpose
MAR345	data collection
SCALEPACK	data scaling
SOLVE	phasing
RESOLVE	model building
REFMAC	refinement
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-11-25 
Deposition Author(s): Phillips Jr., G.N., Smith, D.W., Johnson, K.A., Bingman, C.A., Center for Eukaryotic Structural Genomics (CESG)

Revision History  

• Version 1.0: 2003-11-25
  Type: Initial release
  
• Version 1.1: 2008-02-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2015-04-29
  Changes: Non-polymer description
• Version 1.4: 2017-10-11
  Changes: Refinement description
• Version 1.5: 2024-02-14
  Changes: Data collection, Database references, Derived calculations
• Version 1.6: 2024-04-03
  Changes: Refinement description