6A6O

Crystal structure of acetyl ester-xyloside bifunctional hydrolase from Caldicellulosiruptor lactoaceticus

• PDB DOI: https://doi.org/10.2210/pdb6A6O/pdb

• Classification: HYDROLASE
• Organism(s): Caldicellulosiruptor acetigenus 6A
• Expression System: Escherichia coli 'BL21-Gold(DE3)pLysS AG
• Mutation(s): No 


• Deposited: 2018-06-28 Released: 2019-06-12 
• Deposition Author(s): Cao, H., Huang, Y., Sun, L.C., Liu, X., Liu, T.F., Wang, F.Z., Xin, F.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.190 
• R-Value Work: 0.165 
• R-Value Observed: 0.167 

Literature

Structural Insights into the Dual-Substrate Recognition and Catalytic Mechanisms of a Bifunctional Acetyl Ester-Xyloside Hydrolase from Caldicellulosiruptor lactoaceticus.

Cao, H., Sun, L.C., Huang, Y., Liu, X., Yang, D., Liu, T.F., Jia, X.J., Wen, B.T., Gu, T., Wang, F.Z., Xin, F.J.

(2019) ACS Catal 9: 1739-1747

• DOI: https://doi.org/10.1021/acscatal.8b03383

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 31.52 kDa 
• Atom Count: 2,347 
• Modelled Residue Count: 272 
• Deposited Residue Count: 283 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Esterase/lipase-like protein	A	283	Caldicellulosiruptor acetigenus 6A	Mutation(s): 0  Gene Names: Calla_1993
UniProt
Find proteins for G2PVG6 (Caldicellulosiruptor acetigenus 6A) Explore G2PVG6  Go to UniProtKB:  G2PVG6

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.190 
• R-Value Work: 0.165 
• R-Value Observed: 0.167 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 68.18	α = 90
b = 68.18	β = 90
c = 140.173	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data collection
PDB_EXTRACT	data extraction
PHASER	phasing
HKL-3000	data reduction
HKL-3000	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-06-12 
Deposition Author(s): Cao, H., Huang, Y., Sun, L.C., Liu, X., Liu, T.F., Wang, F.Z., Xin, F.J.

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Funding Organization	Location	Grant Number
	China	2017YFD0400200
	China	2018M630230

Revision History  

• Version 1.0: 2019-06-12
  Type: Initial release
  
• Version 1.1: 2023-11-22
  Changes: Data collection, Database references, Refinement description