Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

Global Symmetry: Cyclic - C3  (3D View)
Global Stoichiometry: Homo 3-mer - A3 

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

Biological Assembly 2  

 3D View: Structure | Electron Density | Ligand Interaction

Global Symmetry: Cyclic - C3  (3D View)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 43.77 kDa 
• Atom Count: 3130 
• Modelled Residue Count: 373 
• Deposited Residue Count: 376 
• Unique protein chains: 1

3SRT

The crystal structure of a maltose O-acetyltransferase from Clostridium difficile 630

• DOI: 10.2210/pdb3SRT/pdb

• Classification: TRANSFERASE
• Organism(s): Clostridioides difficile 630
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2011-07-07 Released: 2011-08-03 
• Deposition Author(s): Tan, K., Gu, M., Peterson, S., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.186 
• R-Value Work: 0.164 
• R-Value Observed: 0.165 

Literature

The crystal structure of a maltose O-acetyltransferase from Clostridium difficile 630

Tan, K., Gu, M., Peterson, S., Anderson, W.F., Joachimiak, A.

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Maltose O-acetyltransferase	A, B	188	Clostridioides difficile 630	Mutation(s): 0  Gene Names: CD0872, CD630_08720, maa EC: 2.3.1.79 (PDB Primary Data), 2.3.1 (UniProt)
Find proteins for Q18A66 (Clostridioides difficile (strain 630)) Explore Q18A66  Go to UniProtKB:  Q18A66

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	C [auth A],  D [auth A],  E [auth A],  F [auth A],  G [auth A],  H [auth A],  I [auth A],  J [auth A],  K [auth A],  L [auth A],  M [auth B],  N [auth B],  O [auth B],  P [auth B],  Q [auth B],  R [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.186 
• R-Value Work: 0.164 
• R-Value Observed: 0.165 
• Space Group: P 2₁ 3
• Diffraction Data DOI: 10.18430/M33SRT Protein Diffraction

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 152.884	α = 90
b = 152.884	β = 90
c = 152.884	γ = 90

Software Package:

Software Name	Purpose
SBC-Collect	data collection
SHELXD	phasing
MLPHARE	phasing
DM	model building
RESOLVE	model building
HKL-3000	phasing
PHENIX	refinement
HKL-3000	data reduction
HKL-3000	data scaling
DM	phasing
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2011-07-07 
• Released Date: 2011-08-03 
Deposition Author(s): Tan, K., Gu, M., Peterson, S., Anderson, W.F., Joachimiak, A., Center for Structural Genomics of Infectious Diseases (CSGID)

Revision History  

• Version 1.0: 2011-08-03
  Type: Initial release