3SCQ

Crystal Structure of Rice BGlu1 E386A Mutant Complexed with alpha-Glucosyl Fluoride

• PDB DOI: https://doi.org/10.2210/pdb3SCQ/pdb

• Classification: HYDROLASE
• Organism(s): Oryza sativa Japonica Group
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2011-06-08 Released: 2012-06-13 
• Deposition Author(s): Pengthaisong, S., Withers, S.G., Kuaprasert, B., Ketudat Cairns, J.R.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.206 
• R-Value Work: 0.175 
• R-Value Observed: 0.177 

Starting Model: experimental

Literature

Structural investigation of the basis for cellooligosaccharide synthesis by rice BGlu1 glycosynthases

Pengthaisong, S., Withers, S.G., Kuaprasert, B., Ketudat Cairns, J.R.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

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

Macromolecule Content

• Total Structure Weight: 110.35 kDa 
• Atom Count: 8,451 
• Modelled Residue Count: 944 
• Deposited Residue Count: 962 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Beta-glucosidase 7	A, B	481	Oryza sativa Japonica Group	Mutation(s): 1  Gene Names: BGLU1, BGLU7, LOC_Os03g49600, Os03g0703000, os3bglu7, OSJNBa0004L11.16 EC: 3.2.1.21
UniProt
Find proteins for Q75I93 (Oryza sativa subsp. japonica) Explore Q75I93  Go to UniProtKB:  Q75I93

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
MES	E [auth A], H [auth B]	2-(N-MORPHOLINO)-ETHANESULFONIC ACID C6 H13 N O4 S SXGZJKUKBWWHRA-UHFFFAOYSA-N
GLF	F [auth A], I [auth B]	alpha-D-glucopyranosyl fluoride C6 H11 F O5 ATMYEINZLWEOQU-DVKNGEFBSA-N
SO4	D [auth A], G [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
ZN	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 0.206 
• R-Value Work: 0.175 
• R-Value Observed: 0.177 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 80.117	α = 90
b = 100.905	β = 90
c = 126.828	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
REFMAC	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-06-13 
Deposition Author(s): Pengthaisong, S., Withers, S.G., Kuaprasert, B., Ketudat Cairns, J.R.

Revision History  

• Version 1.0: 2012-06-13
  Type: Initial release
  
• Version 1.1: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Refinement description, Structure summary
• Version 1.3: 2024-10-30
  Changes: Structure summary